# EP Calipers vs BodyGuardian™ Sync

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.

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.

## The numbers

| Metric | EP Calipers | BodyGuardian™ Sync |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[2.3 (6 ratings)](https://appshunter.io/ios/app/ep-calipers/id982313078/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Paid | — |
| Size | 14 MB | 14 MB |
| Requires iOS | 17.6 | **12.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [EP Studios](https://appshunter.io/developer/574231798) | [Boston Scientific](https://appshunter.io/developer/469401132) |

## What reviewers say

### EP Calipers

[App page](https://appshunter.io/ios/app/ep-calipers/id982313078)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases:** none


### BodyGuardian™ Sync

[App page](https://appshunter.io/ios/app/bodyguardian-sync/id1587030827)

**In-app purchases:** none


## Frequently asked questions

### Is EP Calipers free?

EP Calipers costs $1.99, with no in-app purchases.

### Is BodyGuardian™ Sync free?

BodyGuardian™ Sync is free to download, with no in-app purchases.

### Do EP Calipers or BodyGuardian™ Sync have ads?

Neither EP Calipers nor BodyGuardian™ Sync shows ads.

### Which is updated more often, EP Calipers or BodyGuardian™ Sync?

EP Calipers ships an update every 3 months, and BodyGuardian™ Sync every 4 months. Most recently, EP Calipers was updated on November 1, 2026 and BodyGuardian™ Sync on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*