# LostInNotes vs Thought

The clearest difference is update cadence: Thought at every 2 days against LostInNotes's every 2 weeks. LostInNotes's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. LostInNotes sells 1 in-app purchase, starting at $10.00 per month and Thought sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

LostInNotes ships an update every 2 weeks, Thought every 2 days. The most recent releases landed on September 15, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | LostInNotes | Thought |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 50 MB | 90 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Metisora](https://appshunter.io/developer/1878534727) | [Igor Duca](https://appshunter.io/developer/1866433316) |

## 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 |


### Thought

[App page](https://appshunter.io/ios/app/thought-notes/id6802821358)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thought Pro Weekly | $1.99 | per 7 days |
| Thought Pro Monthly | $2.99 | per month |
| Thought Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is LostInNotes free?

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

### Is Thought free?

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

### Do LostInNotes or Thought have ads?

Neither LostInNotes nor Thought shows ads.

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

LostInNotes ships an update every 2 weeks, and Thought every 2 days. Most recently, LostInNotes was updated on September 15, 2026 and Thought on September 20, 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.*