EP Calipers vs BodyGuardian™ Sync
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EP Calipers
This medical app allows users to measure intervals and angles on electrocardiogram (ECG) images. It's designed for healthcare professionals to accurately analyze ECGs from photos or PDFs, aiding in calculations like heart rate and QT intervals.
- Measure ECG intervals
- Measure ECG angles
- Calculate mean heart rate
- Determine corrected QT interval
- Analyze ECG photos and PDFs
- Supports Brugada syndrome beta angle measurement
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EP Calipers provides electronic calipers to measure intervals on images of electrocardiograms (ECGs) or electrophysiologic recordings. Doctors, nurses and medical technicians photograph and send ECGs to each other via email and messaging using smart phones and tablets. It is difficult and inaccurate to make measurements on these images with mechanical calipers. EP Calipers can be used to make accurate ECG measurements and do calculations such as determining mean heart rate and corrected QT interval. Angles such as the beta angle in Brugada syndrome can be measured as well. Analyze ECG images you photograph or store on your device, as well as PDF files, such as ECGs generated by the AliveCor Kardia™ device.
BodyGuardian™ Sync
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The BodyGuardian™ Sync mobile app is published by Boston Scientific Cardiac Diagnostic Services, LLC. This is a tool to assist you as a decision-maker and to enhance your experience with the Boston Scientific Cardiac Diagnostic Services process. You will now have the option of receiving a push notification versus a phone call to alert you of an event report. All patient events will remain in the app for 14 days. Installing this app will not change your notification settings defined in your Service Level Agreement or Stoplight Protocol.
Screenshots
Verdict
The clearest difference is price: BodyGuardian™ Sync at Free against EP Calipers's $1.99. BodyGuardian™ Sync also leads on iOS requirement (12.4 vs 17.6). On update cadence, ads, in-app purchases 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
BodyGuardian™ Sync is free to download; EP Calipers costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
EP Calipers ships an update every 3 months, BodyGuardian™ Sync every 4 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.
| Parameter | EP Calipers | BodyGuardian™ Sync |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 2.3 (6 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 12.4 — better |
| Further details — not scored | ||
| Size | 14 MB | 14 MB |
| Age rating | 12+ | 17+ |
| Developer | EP Studios | Boston Scientific |
In-app purchases
EP Calipers
No in-app purchases
BodyGuardian™ Sync
No in-app purchases
Questions
Is EP Calipers free?
Is BodyGuardian™ Sync free?
Do EP Calipers or BodyGuardian™ Sync have ads?
Which is updated more often, EP Calipers or BodyGuardian™ Sync?
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