# CAiA vs Amnis

The clearest difference is in-app purchases: CAiA at none against Amnis's 2. CAiA also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). Amnis's advantage is update cadence (fortnightly vs every 6 weeks). On price and ads there is nothing between them.

Both are free to download. Amnis sells 2 in-app purchases, starting at $12.00 per month. CAiA asks for nothing beyond the download.

CAiA ships an update every 6 weeks, Amnis fortnightly. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CAiA | Amnis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 50 MB | 65 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Norray Resource Pty. Ltd.](https://appshunter.io/developer/1054877991) | [Senolytic Lab](https://appshunter.io/developer/1896004424) |

## What reviewers say

### CAiA

[App page](https://appshunter.io/ios/app/caia/id1251237352)

**Features:** macOS Compatibility

**In-app purchases:** none


### Amnis

[App page](https://appshunter.io/ios/app/amnis-ai-dictation/id6765596753)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Amnis Pro Monthly | $12.00 | per month |
| Amnis Pro Yearly | $119.00 | per year |


## Frequently asked questions

### Is CAiA free?

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

### Is Amnis free?

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

### Do CAiA or Amnis have ads?

Neither CAiA nor Amnis shows ads.

### Which is updated more often, CAiA or Amnis?

CAiA ships an update every 6 weeks, and Amnis fortnightly. Most recently, CAiA was updated on October 26, 2026 and Amnis on October 28, 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.*