# EP Calipers vs epTools Lite

The clearest difference is price: epTools Lite at Free against EP Calipers's $1.99. EP Calipers's advantage is iOS requirement (14.0 vs 16.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

epTools Lite is free to download; EP Calipers costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | EP Calipers | epTools Lite |
| --- | --- | --- |
| 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 3 months |
| Monetization | Paid | — |
| Size | 9 MB | 30 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [EP Studios](https://appshunter.io/developer/574231798) | [Busy Being Born Solutions, LLC](https://appshunter.io/developer/430201881) |

## 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


### epTools Lite

[App page](https://appshunter.io/ios/app/eptools-lite/id1031040511)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EP Calipers free?

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

### Is epTools Lite free?

epTools Lite is free to download, with no in-app purchases.

### Do EP Calipers or epTools Lite have ads?

Neither EP Calipers nor epTools Lite shows ads.

### Which is updated more often, EP Calipers or epTools Lite?

EP Calipers ships an update every 3 months, and epTools Lite every 3 months. Most recently, EP Calipers was updated on October 1, 2026 and epTools Lite on September 30, 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.*