# ECHO vs AI Notes

The clearest difference is in-app purchases: AI Notes at none against ECHO's 4. ECHO's advantage is ads (none vs shown) and update cadence (every 2 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ECHO sells 4 one-off in-app purchases. AI Notes asks for nothing beyond the download.

ECHO ships an update every 2 days, AI Notes monthly. Both last shipped on September 16, 2026.

## The numbers

| Metric | ECHO | AI Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Monthly |
| Size | 16 MB | 57 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LIANG SHAN](https://appshunter.io/developer/1882595154) | [Thu Bui Thi Minh](https://appshunter.io/developer/1883022832) |

## What reviewers say

### ECHO

[App page](https://appshunter.io/ios/app/echo-ai-therapy-supervisor/id6760090490)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Credits | $12.99 | one-time |
| 50 Credits | $51.99 | one-time |
| 100 Credits | $90.99 | one-time |
| ECHO License | $149.00 | one-time |


### AI Notes

[App page](https://appshunter.io/ios/app/ai-notes-smart-writing/id6764526948)

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

**In-app purchases:** none


## Frequently asked questions

### Is ECHO free?

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

### Is AI Notes free?

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

### Do ECHO or AI Notes have ads?

AI Notes shows ads; ECHO does not.

### Which is updated more often, ECHO or AI Notes?

ECHO ships an update every 2 days, and AI Notes monthly. Most recently, ECHO was updated on September 16, 2026 and AI Notes on September 16, 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.*