# 21 vs Tap Arrow!

The clearest difference is update cadence: 21 at every 2 days against Tap Arrow!'s monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

21 ships an update every 2 days, Tap Arrow! monthly. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 21 | Tap Arrow! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tap-arrow/id6795802833/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | — | Ad-supported |
| Size | 39 MB | 69 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chee Hoong Khor](https://appshunter.io/developer/1880679655) | [Lyncore Games](https://appshunter.io/developer/6795802835) |

## What reviewers say

### 21

[App page](https://appshunter.io/ios/app/21-twenty-one/id6759793279)

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

**In-app purchases:** none


### Tap Arrow!

[App page](https://appshunter.io/ios/app/tap-arrow/id6795802833)

This game challenges you to tap arrows in the correct sequence to clear the board. It features simple controls, satisfying puzzles, and quick levels perfect for short breaks. Exercise your focus and planning skills with clever layouts and smooth gameplay.

**Highlights:** Simple one-tap controls, Satisfying arrow-clearing puzzles, Quick levels for short breaks, Clever layouts that test logic, Clean visuals and smooth gameplay, Focus and planning workout

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is 21 free?

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

### Is Tap Arrow! free?

Tap Arrow! is free to download, with no in-app purchases.

### Do 21 or Tap Arrow! have ads?

Both 21 and Tap Arrow! show ads.

### Which is updated more often, 21 or Tap Arrow!?

21 ships an update every 2 days, and Tap Arrow! monthly. Most recently, 21 was updated on October 25, 2026 and Tap Arrow! on October 29, 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.*