# LostInNotes vs MemofyAI

The clearest difference is in-app purchases: MemofyAI at none against LostInNotes's 1. LostInNotes's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. LostInNotes sells 1 in-app purchase, starting at $10.00 per month. MemofyAI asks for nothing beyond the download.

LostInNotes ships an update every 2 weeks, MemofyAI monthly. Both last shipped on October 31, 2026.

## The numbers

| Metric | LostInNotes | MemofyAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 50 MB | 126 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Metisora](https://appshunter.io/developer/1878534727) | [Haruki Uriu](https://appshunter.io/developer/1639780225) |

## What reviewers say

### LostInNotes

[App page](https://appshunter.io/ios/app/lostinnotes/id6759413132)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Insight: AI Second Brain | $10.00 | per month |


### MemofyAI

[App page](https://appshunter.io/ios/app/memofyai/id6761982836)

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

**In-app purchases:** none


## Frequently asked questions

### Is LostInNotes free?

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

### Is MemofyAI free?

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

### Do LostInNotes or MemofyAI have ads?

Neither LostInNotes nor MemofyAI shows ads.

### Which is updated more often, LostInNotes or MemofyAI?

LostInNotes ships an update every 2 weeks, and MemofyAI monthly. Most recently, LostInNotes was updated on October 31, 2026 and MemofyAI on October 31, 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.*