# AI Diary vs EchoDiary

The clearest difference is in-app purchases: AI Diary at none against EchoDiary's 1. EchoDiary's advantage is ads (none vs shown) and iOS requirement (18.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. EchoDiary sells 1 one-off in-app purchase. AI Diary asks for nothing beyond the download.

## The numbers

| Metric | AI Diary | EchoDiary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | — |
| Size | 77 MB | 26 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [プロフェッショナルエフェクト](https://appshunter.io/developer/1869519100) | [lecoo](https://appshunter.io/developer/1630534948) |

## What reviewers say

### AI Diary

[App page](https://appshunter.io/ios/app/ai-diary/id6757905313)

**Features:** macOS Compatibility

**In-app purchases:** none


### EchoDiary

[App page](https://appshunter.io/ios/app/echodiary-ai-voice-diary/id6816151068)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EchoDiary Pro | $0.99 | one-time |


## Frequently asked questions

### Is AI Diary free?

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

### Is EchoDiary free?

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

### Do AI Diary or EchoDiary have ads?

AI Diary shows ads; EchoDiary does not.

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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.*