# Cluspora vs Knowledge Base

The clearest difference is in-app purchases: Knowledge Base at none against Cluspora's 2. Cluspora's advantage is iOS requirement (16.0 vs 26.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cluspora sells 2 in-app purchases, starting at $6.99 per month. Knowledge Base asks for nothing beyond the download.

Cluspora ships an update every 5 days, Knowledge Base weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Cluspora | Knowledge Base |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Size | 43 MB | 9 MB |
| Requires iOS | **16.0** | 26.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sheng Hao Chen](https://appshunter.io/developer/1896665096) | [CHANG CHIA-WEI](https://appshunter.io/developer/1804812181) |

## What reviewers say

### Cluspora

[App page](https://appshunter.io/ios/app/cluspora/id6769524315)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cluspora Pro Monthly | $6.99 | per month |
| Cluspora Pro Yearly | $22.99 | per year |


### Knowledge Base

[App page](https://appshunter.io/ios/app/knowledge-base-second-brain/id6785236967)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cluspora free?

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

### Is Knowledge Base free?

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

### Do Cluspora or Knowledge Base have ads?

Neither Cluspora nor Knowledge Base shows ads.

### Which is updated more often, Cluspora or Knowledge Base?

Cluspora ships an update every 5 days, and Knowledge Base weekly. Most recently, Cluspora was updated on October 31, 2026 and Knowledge Base 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.*