Schedule4 vs Periop Pacemaker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Schedule4
This medical app simplifies staff scheduling for anesthesia practices. It allows for easy creation of vacation, call, and daily schedules. Additional modules enhance communication and workflow.
- Staff scheduling
- Vacation planning
- Call schedule management
- Daily schedule creation
- Timesheet module
- Expense tracking
- Secured messaging
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Schedule4 (S4) is a comprehensive staff scheduling solution for Anesthesia Practices. Vacation, call, and daily schedules are created easily with our innovative software interface. Additional modules such as timesheet, expense, and secured messaging are available to improve communication and workflow in a modern anesthesia practice.
Periop Pacemaker
This app provides medical professionals with a decision algorithm for managing surgical patients with implantable defibrillators or pacemakers. It is based on guidelines endorsed by the Heart Rhythm Society and updated annually by an expert committee.
- Decision algorithm for pacemaker/defibrillator management
- Endorsed by Heart Rhythm Society
- Based on ASA Perioperative Cardiac Implantable Electronic Device Management Aid
- Annual expert committee updates
- Designed for medical professionals
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Periop Pacemaker is a smartphone app that assists medical professionals who take care of surgical patients that have implantable defibrillators or pacemakers. The decision algorithm is endorsed by the Heart Rhythm Society and is based on the American Society of Anesthesiologists Perioperative Cardiac Implantable Electronic Device Management Aid. As device technology evolves, an expert committee of anesthesiologists, cardiologists, and device representatives will meet annually to keep information up-to-date. Disclaimer: ASA Pacemaker is designed for use by medical professionals only. Accessing the app content requires either a one-time payment of $7.99 USD or an annual subscription payment of $2.99 USD. A 30-day free trial is available under the annual subscription plan.
Screenshots
Verdict
The clearest difference is review sentiment: Periop Pacemaker at 100% against Schedule4's 0%. Periop Pacemaker also leads on rating (5.0 vs 4.3) and iOS requirement (13.0 vs 15.0). Schedule4's advantage is in-app purchases (none vs 2) and update cadence (every 9 days vs every 2 months). On price, ratings volume, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Periop Pacemaker sells 2 in-app purchases, starting at $2.99 per year. Schedule4 asks for nothing beyond the download.
Periop Pacemaker holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 12 and 8 respectively. Written reviews point the same way: 0% of Schedule4's written reviews are positive against 100% of Periop Pacemaker's.
Schedule4 ships an update every 9 days, Periop Pacemaker every 2 months. The most recent releases landed on September 15, 2026 and September 27, 2026 respectively.
| Parameter | Schedule4 | Periop Pacemaker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (12 ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 12 — better | 8 |
| Update frequency | Every 9 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 146 MB | 43 MB |
| Age rating | 12+ | 17+ |
| Developer | Boston Medical Data LLC | Rhythm Management, LLC |
Customer experience
Schedule4
Periop Pacemaker
In-app purchases
Schedule4
No in-app purchases
Periop Pacemaker
- PERIOP PACEMAKER ANNUAL FEE1 Month trial$2.991 Year
- Periop Pacemaker$7.99
Questions
Is Schedule4 free?
Is Periop Pacemaker free?
Which has better reviews, Schedule4 or Periop Pacemaker?
Do Schedule4 or Periop Pacemaker have ads?
Which is updated more often, Schedule4 or Periop Pacemaker?
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