On Call Scheduling Software: 12 Tools Compared
On-call scheduling software compared: 12 tools across three markets, real cost for a 15-person rotation, and the FLSA rule that decides on-call pay.
I build HR software for small businesses, and on-call tools are one purchase where I would tell any founder to slow down. This page sorts out which of three unrelated markets you need before you pay for the wrong one, then compares twelve tools and prices every one that publishes a rate against the same fifteen-person rotation.
All three go by the same search term, and almost every page ranking for it quietly assumes you meant one of them. A site reliability engineer at a software company, the chief resident arranging a call schedule, and the owner of a small plumbing business all type the same words. They need entirely different products, priced between $24 and $717 a month for what each would call the same job.
The results skew heavily toward the first of those three. Incident response vendors and the listicles that rank them dominate, so an HVAC company or a small clinic lands on a comparison of engineering tools built to page an on-call engineer within sixty seconds of a database failing. Those tools are excellent, and for those businesses they are the wrong purchase by roughly an order of magnitude.
This page also covers the part almost nobody does: when the hours your team spends on call actually have to be paid.
Three markets, one search term
On-call scheduling software spans three markets whose products share a name and very little else. Work out which one you are in before comparing anything, because that decides which two thirds of this page you can skip.
The distinguishing capability is paging. An incident tool actively contacts a specific person and knows whether they responded; a shift app publishes a schedule and assumes somebody looks at it. If the difference between those two sounds academic, it is because you probably do not need the first one.
| Market | Who it is for | What the software does | Rough cost at 15 people |
|---|---|---|---|
| Incident response | Engineering, IT, and SRE teams | Receives alerts, pages a person, escalates automatically | $105 to $717 a month |
| Shift and workforce | Field service, trades, retail, property management | Publishes schedules, handles swaps and coverage | $24 to $135 a month |
| Clinician scheduling | Hospitals, health systems, group practices | Generates provider call schedules and directories | $37 a month upward |
| Answering service | Very small businesses with occasional after-hours calls | Humans route calls to whoever is covering | Priced per call or per minute |
| A shared calendar | Teams of under about six people | Nothing, but everybody can see it | Nothing |
| A group chat and hope | Nobody, though many run this way | Fails silently at the worst moment | Nothing, until it costs a customer |
12 on-call scheduling tools at a glance
The table below groups every tool by market and flags the one capability that separates the categories: whether the tool actually contacts a person and escalates.
| Tool | Market | Entry price | Publishes pricing | Free tier | Paging and escalation | What sets it apart |
|---|---|---|---|---|---|---|
| Homebase | Shift and workforce | Free, then $24 a site | Priced per location, not per person | |||
| Connecteam | Shift and workforce | Free to 10, then $29 | Free tier covers a whole small team | |||
| When I Work | Shift and workforce | From $2.50 a user | Cheapest per-seat scheduling here | |||
| Deputy | Shift and workforce | From $5 a user | Strong shift swapping and awards | |||
| Spike.sh | IT incident on-call | From $7 a user | Cheapest paging tool at 15 users | |||
| SolarWinds Incident Response | IT incident on-call | From $15 a user | Reliability workflows beyond paging | |||
| Xurrent IMR | IT incident on-call | From $6 a user | Escalation depth at lower cost | |||
| PagerDuty | IT incident on-call | Free to 5, then $21 | The category default, with add-ons | |||
| Jira Service Management | IT incident on-call | Free to 3, then $25 | Successor to a retiring product | |||
| Amion | Clinician on-call | $449 a year | Flat annual price for a department | |||
| QGenda | Clinician on-call | Quote only | Health system provider scheduling | |||
| Spok | Clinician on-call | Quote only | On-call directory plus clinical paging |
How we evaluated these tools
We judged every tool against the same questions, because comparing across three markets first means deciding what counts as the same job. The questions below are the ones that keep a cross-market comparison honest rather than misleading.
Shift and workforce scheduling
The four tools in this section treat on-call as one more shift type alongside everything else. For a field service business, a trades company, or a small clinic, this is almost always the correct market and the one the search results under-represent.
Per-location billing is the structural advantage, and it is unusual. A fifteen-person rotation and a fifty-person one cost the same $24 a month at one site on annual billing, which inverts the arithmetic of every per-seat tool in this comparison.
Shift coverage tools that let staff claim open shifts and swap between themselves without a manager in the middle are exactly what an on-call rotation needs, because unclear swaps are what turn a rotation into resentment.
Per-location billing also punishes multi-site operators, because each additional location adds a full plan and an eight-site business is paying eight times over. Nor does Homebase page anybody: the schedule is published and notified in-app, so if your requirement is that somebody is actively woken at three in the morning and escalated past, this is the wrong category entirely.
The free tier is the most generous in this comparison, and it is not crippled. Ten users get all three hubs with no time limit, which for a small trades business or a property management office running a weekend rotation is the complete answer at zero cost. Above that, $29 a month covering thirty users on one hub is still cheaper per person than almost anything here.
Hub-based pricing is the recurring complaint, and it is fair. Scheduling sits in one hub and team communication in another, so a business wanting both pays twice, and reviewers report the total for a full setup exceeding competitors that bundle. Per-user charges start above thirty users, and there is no paging or escalation.
Bundling is the quiet advantage. Scheduling, messaging, and shift reminders arrive in one plan rather than as separately priced modules, which for a fifteen-person rotation means about $38 a month for everything most small businesses want from a scheduling tool. Multi-location pricing is handled with a different plan rather than by multiplying the whole subscription.
Per-seat pricing means the bill scales directly with the team, so a fifty-person rotation reaches around $125 where the per-location alternative stays flat. Some reviewers report clock-in reliability issues on the mobile app, and like every tool in this section it publishes a schedule rather than paging anyone.
Scheduling logic is what the extra cost buys. Matching qualified people to shifts matters when your on-call rotation requires a specific license, certification, or skill, which is common in healthcare clinics, security, and skilled trades. Simpler scheduling apps handle that by leaving it to the manager. Break and overtime rule handling is also stronger than in the cheaper alternatives.
At its published rates, Deputy is two to four times the per-seat cost of the cheapest option here for a rotation where qualifications may not matter at all, and higher tiers push a fifteen-person team toward $135 a month. It also does not page or escalate, so the comparison against the incident tools is not close on capability, only on price.
IT and engineering incident tools
The five tools in this section actively contact a person and escalate when nobody answers. This is what the search results assume you want, and for an engineering team it genuinely is.
Price relative to capability is the entire pitch, and it lands. At $7 a user, a fifteen-person engineering rotation costs about $105 a month against $315 for the category leader's entry tier, for a product that pages by phone, escalates, and integrates with the monitoring tools most teams already run. Status pages come included, which removes a line item PagerDuty sells as a separate add-on.
Spike.sh is a smaller company with a correspondingly smaller integration ecosystem and less depth in the analytics and automation areas where the incumbents have spent years. For a team whose incident process is mature enough to need event correlation, machine-learning alert grouping, or runbook automation, the gap is real rather than theoretical.
The product assumes you want to improve, not just to be woken. Postmortems, retrospectives, and service-level tracking sit alongside the rotation, which suits a team that treats incidents as a source of learning rather than as interruptions to be survived. Event intelligence also reduces the noise that causes responders to stop reading pages.
Pricing is published, at $15 a user on Pro and $24 on Premium with annual billing, which places it below the category leader at the entry tier. The catch is fit: the reliability tooling assumes a team with the maturity and time to run postmortems consistently, and a three-person team that just needs somebody paged will not use most of it.
Escalation configurability is the differentiator. Layered policies with multiple channels and defined fallbacks are the part of on-call that actually protects you at three in the morning, and having that depth outside an enterprise price bracket suits a growing engineering team that has outgrown a spreadsheet schedule but cannot justify the incumbent.
Pricing is published, but Starter stops at five users, so a fifteen-person rotation lands on Growth at about $240 a month. The vendor is smaller than the established players with a correspondingly lighter ecosystem, and like every tool in this section it is built for engineering incidents and is the wrong shape for a trades or clinical rotation.
Depth and ecosystem are the argument, and both are genuine. Hundreds of integrations mean whatever monitoring you run connects already, the AIOps add-on reduces a cascade of related alerts to one incident rather than fifteen pages, and the free tier for five users is a real way for a small team to start without a purchase decision.
The bill compounds in ways the headline rate does not show. Fifteen responders on Professional reach $315 a month before any add-on, and status pages, AI features, and noise reduction are all sold separately at prices PagerDuty's pricing page does not list. For a fifteen-person field service rotation, Professional alone is roughly thirteen times the cost of a shift app that would do that job completely.
Ecosystem gravity is the reason teams land here. If your issues, sprints, and documentation already live in the same suite, having incidents and on-call in the same place removes context switching and links an outage directly to the change that caused it, which is a genuine operational advantage rather than a marketing one.
The lifecycle situation is the thing to understand before evaluating. Opsgenie, the predecessor product, is end of sale and has a published end-of-support date, after which unmigrated data is deleted, so anyone reading an older comparison listing it as a current option is reading stale advice.
Price is the other thing to check. Premium, the tier where voice-call alerts start, is the most expensive per-seat figure in this comparison at $57.30 an agent a month for a team of up to 15 on monthly billing.
Clinician on-call scheduling
The three products in this section serve hospitals, health systems, and group practices, where the rotation is a clinical schedule and the audience needs to find who is covering right now.
Ubiquity is the real product. It is used across a very large number of health systems and departments, so clinicians in adjacent specialties already know where to look to find who is on call. In a hospital, that network effect is worth more than any feature. Its flat $449 a year for a department is also the only published price among the clinician tools in this comparison.
It publishes and views rather than generates. Building the schedule, balancing call fairly, and applying rules about consecutive shifts remains manual or happens in another tool, so a department wanting the schedule created for it from rules and preferences is buying the wrong half of the problem.
Generating the schedule rather than publishing it is the difference, and at scale it is worth a great deal. Balancing call fairly across dozens of providers with competing preferences, credentials, and rules about consecutive shifts is a genuinely hard combinatorial problem, and doing it by hand consumes days of clinical staff time every month.
No price is published, and the model assumes an organization with a scheduling function rather than a department administrator doing it alongside other work. A small practice with eight physicians is not the buyer, and the credentialing and workforce management breadth is beyond what a call schedule requires.
The integration with communications is the point. In a hospital, the on-call schedule is the routing table the operator uses at two in the morning to reach the right cardiologist, not a document. Keeping the schedule and the paging infrastructure in one system removes the failure mode where the directory is right and the switchboard is out of date.
No price is published: Spok is sold as part of a larger clinical communications program, and implementation is an enterprise project. The scheduling capability is one component rather than the product, so a group practice looking only for a call schedule is buying an infrastructure platform.
What physician on-call scheduling has to solve
Physician on-call scheduling carries two demands the other two markets do not. Call burden has to be distributed in a way that survives being counted, and the finished schedule has to be findable by people who will never open the scheduling tool.
Fairness here is arithmetic rather than sentiment. Weekends, holidays, nights, and consecutive stretches carry different weights, so a department counting only total call days produces a schedule that looks even and is not. That counting problem is what rule-based generation exists to solve, and it is the capability QGenda is sold on.
For a practice of eight or nine physicians, that engine is usually not the purchase. Building the schedule by hand and publishing it where the rest of the hospital already looks covers the requirement, which is the case Amion makes at a flat annual fee. The rule engine earns its price once counting the fairness by hand takes a day a month.
What a 15-person rotation actually costs
A fifteen-person rotation costs between $24 and $717 a month, depending on which market you buy from. The table below prices that same nominal requirement across all three markets, which is the comparison the search results never make.
| Tool and tier | Pricing basis | 15 people | 50 people | Notes |
|---|---|---|---|---|
| Homebase Essentials | Per location, annual billing | $24 | $24 | $30 billed monthly; free plan covers one location and up to 10 employees |
| Connecteam Basic | Per hub, to 30 users | $29 | $45 | Free for up to 10 users; $0.80 a user above 30 |
| Amion | Flat annual for a department | $37 | $37 | $449 a year regardless of provider count |
| When I Work Essentials | Per user | $38 | $125 | Time tracking and attendance raises it to $4 a user |
| Deputy Lite | Per user, annual billing | $75 | $250 | Core is $6.50 a user and Pro $9 |
| Spike.sh | Per user | $105 | $350 | Cheapest tool here that actually pages people at this size |
| Deputy Pro | Per user, annual billing | $135 | $450 | Top Deputy tier; $10 a user billed monthly |
| SolarWinds Incident Response Pro | Per user, annual billing | $225 | $750 | Premium at $24 a user adds status pages |
| Xurrent IMR Growth | Per user | $240 | $800 | Starter at $6 a user stops at five users |
| PagerDuty Professional | Per responder, annual billing | $315 | $1,050 | About $25 a responder on monthly billing |
| Jira Service Management Premium | Per agent, annual billing | $717 | $2,167 | Tier where voice-call alerts start |
The spread is roughly thirty to one, and it is not arbitrary. The expensive end buys a system that receives a machine-generated alert, telephones a named human, waits, and telephones somebody else when the first person does not answer. That is real engineering, and it costs real money to build and operate. The cheap end publishes a schedule.
The mistake this page exists to prevent is buying a paging system when a published schedule was all you needed. It is an easy mistake to make, because the search results are dominated by the paging tools.
When on-call time has to be paid
Whether on-call time has to be paid depends on how restricted the employee is, and getting it wrong costs more than any software decision on this page. It is also the part almost no comparison page covers.
Under the Fair Labor Standards Act, whether waiting time counts as hours worked depends on the circumstances, and the Department of Labor draws the line between an employee who has been engaged to wait, which is work time, and one who is waiting to be engaged, which generally is not.
The department's Fact Sheet 22 sets out the position: an employee required to remain on call on the employer premises is working while on call, whereas an employee required to remain on call at home, or who can simply leave a number where they can be reached, is generally not working.
| Arrangement | Likely treatment | Why | What to record |
|---|---|---|---|
| On call at the workplace | Compensable | Remaining on the premises is working | All hours on site |
| At home, reachable by phone | Generally not compensable | Personal time remains usable | Calls actually taken |
| Very short response window | Possibly compensable | Constraints may prevent personal pursuits | The full on-call window |
| Narrow geographic restriction | Possibly compensable | Freedom of movement is limited | The full on-call window |
| Frequent calls through the night | Time worked at minimum | Interruptions prevent effective use of time | Every call and its duration |
| Call taken while off duty | Compensable | Work performed is hours worked | Start and end of each call |
Two practical consequences follow. First, whatever the classification, hours actually worked while responding to a call are compensable and count toward the overtime threshold, so a non-exempt employee taking three calls on a Saturday has worked those hours.
The second consequence concerns records: who was on call and what they did is the evidence in any dispute, which makes a published, retained schedule useful for reasons beyond coordination. Some states apply their own reporting-time or minimum-pay rules on top of the federal position, so check locally.
Which route fits your team
The right answer follows from what happens when something goes wrong at three in the morning, not from your headcount.
| Your situation | Where to look | What to avoid | Why |
|---|---|---|---|
| Alerts from monitoring must reach a person | Incident response tooling | Shift scheduling apps | A scheduling app cannot page or escalate |
| Field service with an answering service | A shift scheduling app | Incident response tooling | The routing is already handled by humans |
| Under 10 people, simple rotation | A free tier | Anything paid | Two tools here cover this at no cost |
| Single site, growing headcount | Per-location billing | Per-seat billing | The bill stops moving as the team grows |
| Multiple sites | Per-seat billing | Per-location billing | Every site adds a full plan |
| Clinical call schedule for a department | Clinician scheduling | General shift apps | Directory lookup matters more than schedule building |
The second row is where money gets wasted most often. A fifteen-person plumbing, HVAC, or IT services business with an answering service already has the routing solved by humans, and what it needs is a published rotation everyone can see and swap on. Buying an incident response tool for that costs four to thirty times as much, for a capability the answering service already provides.
Whatever route you take, the schedule is only half of it. Who is qualified to cover, what they agreed to when they joined, and what the policy actually says live in your people records rather than in the scheduler, and a rotation built without checking them puts the wrong person on the schedule eventually.
How to choose on-call scheduling software
To choose on-call scheduling software, work through these five questions in order. The first eliminates two thirds of the market in about ten seconds.
Trial the tool before you commit. Run it alongside your current schedule for two weeks rather than switching, put one real weekend through it including a swap and an escalation, and ask the person who was actually on call whether they would trust it. Whether a tool works is decided at three in the morning by somebody half awake, and no feature comparison predicts that.

Frequently Asked Questions
What is on-call scheduling software?
Software that assigns and publishes responsibility for responding outside normal hours, and in some cases actively contacts whoever is on call. The term covers incident response tools that page engineers and escalate, shift scheduling apps that treat on-call as a shift type, and clinician systems that publish physician call schedules. They share a name and little else.
How does on-call scheduling work?
A rotation assigns a defined window to one person with named backups. In engineering, software receives an alert, contacts the primary responder, waits for acknowledgment, and escalates. In field service and clinical settings the rotation is usually published rather than enforced, with calls routed by an answering service or switchboard and the schedule serving as the record.
How much does on-call scheduling software cost?
For fifteen people, roughly $24 to $717 a month depending on market. Shift tools run about $24 to $135 with free tiers available, a clinician product can be a flat few hundred dollars a year, and incident response runs about $105 to $717 because you are paying for phone paging and escalation rather than a published schedule.
Do employers have to pay employees for on-call time?
It depends on the restrictions. The Department of Labor distinguishes being engaged to wait, which is paid, from waiting to be engaged, which generally is not. On call at the workplace is working; on call at home and simply reachable generally is not. Very short response windows or narrow geographic limits can make the whole window compensable.
Do I need incident response software or a shift scheduling app?
Ask whether anybody needs to be woken up. If an alert must reach a named person within minutes and escalate automatically, you need incident response software. If you simply need everyone to know who is covering this weekend and calls arrive through an answering service, a shift app does the job for a fraction of the cost.
What is the best on-call scheduling software for a small business?
For field service, trades, or property management, a shift scheduling app is almost always right. Several publish rates in the tens of dollars a month and two have genuinely usable free tiers under about ten users. Incident response tools are built for engineering teams and priced per responder, so a fifteen-person trades business would pay engineering prices for unused capability.
Is Opsgenie still available for on-call scheduling?
Not as a new purchase. Atlassian ended new sales on June 4, 2025 and will end support on April 5, 2027, and its alerting and on-call features have moved into Jira Service Management. Existing users can continue until then, after which unmigrated data is deleted. Treat Jira Service Management as the successor when evaluating today, and plan any migration well before the deadline.
How do you set up a fair on-call rotation?
Write down what on-call requires first: response time, call frequency, movement restrictions, and compensation. Then distribute the burden evenly, publish the rotation far enough ahead that people can plan, define who covers when the primary is unreachable, and make swapping easy without a manager. Most rotations fail on those last two points rather than on the software.
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