# Kioku vs Seven

The clearest difference is in-app purchases: Kioku at none against Seven's 4. Kioku also leads on update cadence (every 2 days vs every 6 weeks). Seven's advantage is iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Seven sells 4 in-app purchases, starting at $4.99 per month. Kioku asks for nothing beyond the download.

Kioku ships an update every 2 days, Seven every 6 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Kioku | Seven |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/seven-your-second-brain/id6800102458/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 weeks |
| Monetization | — | Freemium |
| Size | 51 MB | 129 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kai Kang](https://appshunter.io/developer/1757164832) | [Tally Proof](https://appshunter.io/developer/1896609508) |

## What reviewers say

### Kioku

[App page](https://appshunter.io/ios/app/kioku-private-second-brain/id6762234661)

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

**In-app purchases:** none


### Seven

[App page](https://appshunter.io/ios/app/seven-your-second-brain/id6800102458)

Organize all your saved content, from links and notes to music and screenshots, onto a single intelligent board. Save anything from any app and find it easily with descriptive search. Follow others to discover new content and keep your digital life private.

**Highlights:** Unified intelligent board for all saves, Save content from any app via share sheet, Automatic titling, tagging, and categorization, Descriptive and semantic search, Follow users and browse public rooms, Private by default, data stays on device

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keeper | $4.99 | per month |
| Curator | $9.99 | per month |
| Keeper | $35.99 | per year |
| Curator | $83.99 | per year |


## Frequently asked questions

### Is Kioku free?

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

### Is Seven free?

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

### Do Kioku or Seven have ads?

Neither Kioku nor Seven shows ads.

### Which is updated more often, Kioku or Seven?

Kioku ships an update every 2 days, and Seven every 6 weeks. Most recently, Kioku was updated on October 31, 2026 and Seven 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.*