# My Transfusion vs On

The clearest difference is in-app purchases: My Transfusion at none against On's 1. My Transfusion also leads on iOS requirement (15.1 vs 17.6). On's advantage is update cadence (weekly vs every 6 months). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. On sells 1 one-off in-app purchase. My Transfusion asks for nothing beyond the download.

My Transfusion ships an update every 6 months, On weekly. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | My Transfusion | On |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | Free | Free |
| Size | 29 MB | 8 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [NHS](https://appshunter.io/developer/1192687136) | [Mohsin Asad Sadiq](https://appshunter.io/developer/1896638622) |

## What reviewers say

### My Transfusion

[App page](https://appshunter.io/ios/app/my-transfusion/id6748011557)

This app provides UK patients with comprehensive information and support regarding blood transfusions. Designed by patients for patients, it aims to increase understanding and confidence for those new to or regularly receiving transfusions.

**Highlights:** Patient-designed support, Blood transfusion information, Increase understanding, Build confidence, UK-specific content

**Features:** Vision Pro support

**In-app purchases:** none


### On

[App page](https://appshunter.io/ios/app/on-call/id6769200317)

Manage on-call shifts and track medical jobs efficiently. Prioritize workload, generate handover summaries instantly, and ensure data privacy with local storage. Designed by a doctor for fast, secure use during busy shifts.

**Highlights:** Track urgent and routine jobs, Prioritize workload, Generate structured handover summaries, Secure local data storage, Face ID protection, Fast and intuitive interface

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $2.99 | one-time |


## Frequently asked questions

### Is My Transfusion free?

My Transfusion is free to download, with no in-app purchases.

### Is On free?

On is free to download, with in-app purchases available.

### Do My Transfusion or On have ads?

Neither My Transfusion nor On shows ads.

### Which is updated more often, My Transfusion or On?

My Transfusion ships an update every 6 months, and On weekly. Most recently, My Transfusion was updated on October 19, 2026 and On on October 8, 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.*