# TWENTRIS BOX vs 3

The clearest difference is ads: TWENTRIS BOX at none against 3's shown. TWENTRIS BOX also leads on update cadence (every 8 days vs every 2 months) and iOS requirement (8.0 vs 13.0). On price, 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.

TWENTRIS BOX ships an update every 8 days, 3 every 2 months. The most recent releases landed on October 6, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | TWENTRIS BOX | 3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/twentris-box/id621328557/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Every 2 months |
| Monetization | Free | — |
| Size | 11 MB | 60 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Herrera Solas](https://appshunter.io/developer/435741052) | [JAEKYEONG SIM](https://appshunter.io/developer/1779320162) |

## What reviewers say

### TWENTRIS BOX

[App page](https://appshunter.io/ios/app/twentris-box/id621328557)

This game challenges players to find four hidden numbers that sum to 20 within a grid. It combines elements of Tetris, Sudoku, and number puzzles for a mental math workout. Compete for high scores by solving puzzles quickly within a time limit.

**Highlights:** Select four numbers that add to 20, Form Tetromino shapes, Find hidden TWENTRIS in a grid, Timed rounds for high scores, Mental math and arithmetic challenges, Combines Sudoku, Tetris, and puzzle elements

**Features:** Vision Pro support

**In-app purchases:** none


### 3

[App page](https://appshunter.io/ios/app/3-15-game/id6748343471)

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

**In-app purchases:** none


## Frequently asked questions

### Is TWENTRIS BOX free?

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

### Is 3 free?

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

### Do TWENTRIS BOX or 3 have ads?

3 shows ads; TWENTRIS BOX does not.

### Which is updated more often, TWENTRIS BOX or 3?

TWENTRIS BOX ships an update every 8 days, and 3 every 2 months. Most recently, TWENTRIS BOX was updated on October 6, 2026 and 3 on October 28, 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.*