# Blood Components vs First Aid

The clearest difference is review sentiment: Blood Components at 100% against First Aid's 32%. Blood Components also leads on iOS requirement (15.1 vs 26.0). First Aid's advantage is update cadence (every 3 months vs every 19 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Blood Components ships an update every 19 months, First Aid every 3 months. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Blood Components | First Aid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (28 ratings)](https://appshunter.io/ios/app/first-aid-ifrc/id1312876691/reviews)** |
| Number of ratings | — | **28** |
| Positive reviews | **100.0% of reviews** | 31.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 16 MB | 24 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [NHS](https://appshunter.io/developer/1192687136) | [Federation Internationale des Societes de la Croix-Rouge et du Croissant Rouge](https://appshunter.io/developer/1258641291) |

## What reviewers say

### Blood Components

[App page](https://appshunter.io/ios/app/blood-components/id1221434626)

This app provides clinicians with a summary of national guidelines for the appropriate use of blood components. It facilitates robust documentation of transfusion indications, referencing key medical guidelines.

**Highlights:** Summarizes national blood transfusion guidelines, Facilitates appropriate blood use, Enables documentation of transfusion indications, References NBTC, BSH, and NICE guidelines, Acts as a clinical reference tool

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

**In-app purchases:** none


### First Aid

[App page](https://appshunter.io/ios/app/first-aid-ifrc/id1312876691)

Access essential first aid information and safety tips for common emergencies. Learn through interactive quizzes and step-by-step guides, building confidence in your ability to assist. Content is preloaded for offline access and includes multilingual support.

**Highlights:** Instant access to first aid information, Interactive quizzes and progress tracking, Safety tips for various situations, Offline content access, Multilingual support, Emergency number integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blood Components free?

Blood Components is free to download, with no in-app purchases.

### Is First Aid free?

First Aid is free to download, with no in-app purchases.

### Do Blood Components or First Aid have ads?

Neither Blood Components nor First Aid shows ads.

### Which is updated more often, Blood Components or First Aid?

Blood Components ships an update every 19 months, and First Aid every 3 months. Most recently, Blood Components was updated on November 6, 2026 and First Aid on November 9, 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.*