# Snapstract vs KUU

The clearest difference is in-app purchases: Snapstract at none against KUU's 3. Snapstract also leads on iOS requirement (17.6 vs 26.0). KUU's advantage is update cadence (every 3 days vs every 8 days) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. KUU sells 3 in-app purchases, starting at $5.99 per month. Snapstract asks for nothing beyond the download.

Snapstract ships an update every 8 days, KUU every 3 days. The most recent releases landed on October 10, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Snapstract | KUU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (9 ratings)](https://appshunter.io/ios/app/kuu-overthinking-brain-dump/id6771264775/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 51.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 days | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 131 MB | 36 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Wing Tung Kwok](https://appshunter.io/developer/1798804399) | [Shunya Yamashita](https://appshunter.io/developer/1841624282) |

## What reviewers say

### Snapstract

[App page](https://appshunter.io/ios/app/snapstract/id6749478211)

**Features:** macOS Compatibility

**In-app purchases:** none


### KUU

[App page](https://appshunter.io/ios/app/kuu-overthinking-brain-dump/id6771264775)

This app provides a voice-first method for offloading scattered thoughts, worries, and ideas. It transcribes your spoken words and categorizes them into 'Now', 'Later', 'Park', and 'Let go' sections to help clear your mind.

**Highlights:** Voice-to-text transcription, Thought categorization (Now, Later, Park, Let go), ADHD-friendly design, Private iCloud sync, Menu bar integration for Mac, No raw audio storage

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KUU+ Monthly | $5.99 | per month |
| KUU+ Yearly | $39.99 | per year |
| KUU+ Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is Snapstract free?

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

### Is KUU free?

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

### Do Snapstract or KUU have ads?

Both Snapstract and KUU show ads.

### Which is updated more often, Snapstract or KUU?

Snapstract ships an update every 8 days, and KUU every 3 days. Most recently, Snapstract was updated on October 10, 2026 and KUU on November 7, 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.*