# Liferaft vs AMSA

The clearest difference is ads: Liferaft at none against AMSA's shown. Liferaft also leads on update cadence (every 2 months vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Liferaft ships an update every 2 months, AMSA every 5 months. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Liferaft | AMSA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 42 MB | 48 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Social Navigator Inc](https://appshunter.io/developer/1476630704) | [Alberta Mine Safety Association 2015](https://appshunter.io/developer/1688780977) |

## What reviewers say

### Liferaft

[App page](https://appshunter.io/ios/app/liferaft/id1476630705)

**In-app purchases:** none


### AMSA

[App page](https://appshunter.io/ios/app/amsa/id6449373652)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Liferaft free?

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

### Is AMSA free?

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

### Do Liferaft or AMSA have ads?

AMSA shows ads; Liferaft does not.

### Which is updated more often, Liferaft or AMSA?

Liferaft ships an update every 2 months, and AMSA every 5 months. Most recently, Liferaft was updated on October 7, 2026 and AMSA on October 19, 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.*