# 3 vs KeepRabbit

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

Both are free to download. 3 sells 1 one-off in-app purchase. KeepRabbit asks for nothing beyond the download.

3 ships an update every 6 weeks, KeepRabbit every 3 weeks. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 3 | KeepRabbit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 11 MB | 61 MB |
| Requires iOS | **17.2** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Minje Kim](https://appshunter.io/developer/1889530864) | [SHAO PING CHU](https://appshunter.io/developer/1865340378) |

## What reviewers say

### 3

[App page](https://appshunter.io/ios/app/3-tap-memo-sticky-notes/id6761423321)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Samsepan Pro | $0.99 | one-time |


### KeepRabbit

[App page](https://appshunter.io/ios/app/keeprabbit-notes-bookmarks/id6763484178)

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

**In-app purchases:** none


## Frequently asked questions

### Is 3 free?

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

### Is KeepRabbit free?

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

### Do 3 or KeepRabbit have ads?

KeepRabbit shows ads; 3 does not.

### Which is updated more often, 3 or KeepRabbit?

3 ships an update every 6 weeks, and KeepRabbit every 3 weeks. Most recently, 3 was updated on October 6, 2026 and KeepRabbit on October 3, 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.*