# EP Calipers vs EasyIV Infusion Calculator

The clearest difference is rating: EasyIV Infusion Calculator at 3.0 against EP Calipers's 2.3. EasyIV Infusion Calculator also leads on review sentiment (86% vs 50%) and update cadence (every 3 weeks vs every 3 months). EP Calipers's advantage is in-app purchases (none vs 2) and chart position (#74 vs unranked). On ads, monetization model, device support and iOS requirement there is nothing between them.

EP Calipers costs $1.99 and EasyIV Infusion Calculator $0.99 up front. EasyIV Infusion Calculator sells 2 one-off in-app purchases. EP Calipers asks for nothing beyond the download.

EasyIV Infusion Calculator holds the better App Store score, 3.0 against 2.3. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews point the same way: 50% of EP Calipers's written reviews are positive against 86% of EasyIV Infusion Calculator's.

EP Calipers ships an update every 3 months, EasyIV Infusion Calculator every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | EP Calipers | EasyIV Infusion Calculator |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | [2.3 (6 ratings)](https://appshunter.io/ios/app/ep-calipers/id982313078/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/easyiv-infusion-calculator/id6468917523/reviews)** |
| Number of ratings | **6** | 2 |
| Positive reviews | 50.0% of reviews | **85.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | **#74** | — |
| Size | 14 MB | 23 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [EP Studios](https://appshunter.io/developer/574231798) | [Michael Mattesco Horta](https://appshunter.io/developer/1640636828) |

## What reviewers say

### EP Calipers

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

**Currently charting:** #74 Top Paid · Medical (US App Store)

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


### EasyIV Infusion Calculator

[App page](https://appshunter.io/ios/app/easyiv-infusion-calculator/id6468917523)

This app simplifies complex IV infusion calculations with an intuitive interface and a wide range of units. It allows users to save custom solutions, create lists for weight-adjusted calculations, and share them with others. Supports both continuous and intermittent infusions.

**Highlights:** Complex IV infusion calculations, Customizable solution saving, Weight-adjusted calculation lists, Continuous and intermittent infusion support, Wide range of units of measurement, Intuitive user interface, List sharing via AirDrop

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 15 day free trial | Free | one-time |
| EasyIV Pro | $4.99 | one-time |


## Frequently asked questions

### Is EP Calipers free?

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

### Is EasyIV Infusion Calculator free?

EasyIV Infusion Calculator costs $0.99, and also offers in-app purchases.

### Which has better reviews, EP Calipers or EasyIV Infusion Calculator?

EasyIV Infusion Calculator is rated higher. EP Calipers averages 2.3 out of 5 from 6 ratings, while EasyIV Infusion Calculator averages 3.0 from 2 ratings.

### Do EP Calipers or EasyIV Infusion Calculator have ads?

Neither EP Calipers nor EasyIV Infusion Calculator shows ads.

### Which is updated more often, EP Calipers or EasyIV Infusion Calculator?

EP Calipers ships an update every 3 months, and EasyIV Infusion Calculator every 3 weeks. Most recently, EP Calipers was updated on October 24, 2026 and EasyIV Infusion Calculator on October 24, 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.*