# Countdown Game & Solver vs ROTATRIX

The clearest difference is in-app purchases: Countdown Game & Solver at none against ROTATRIX's 1. Countdown Game & Solver also leads on iOS requirement (13.0 vs 15.1). ROTATRIX's advantage is update cadence (daily vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. ROTATRIX sells 1 one-off in-app purchase. Countdown Game & Solver asks for nothing beyond the download.

Countdown Game & Solver ships an update every 3 weeks, ROTATRIX daily. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Countdown Game & Solver | ROTATRIX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (40 ratings)](https://appshunter.io/ios/app/countdown-game-and-solver/id1394219228/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Ad-supported | — |
| Size | 19 MB | 51 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lawrence Anthony](https://appshunter.io/developer/1064198829) | [Henricus van den Hurk](https://appshunter.io/developer/1896173715) |

## What reviewers say

### Countdown Game & Solver

[App page](https://appshunter.io/ios/app/countdown-game-and-solver/id1394219228)

Experience the "Numbers" round of a popular TV game show as a tile-based puzzle game. Solve arithmetic challenges by combining numbered tiles to reach a target number. Includes a powerful solver to find all possible solutions and share your progress with friends.

**Highlights:** Numbers game show rounds, Tile-based arithmetic puzzle, Universal solution solver, Millions of starting configurations, Share accomplishments via Messages, Runs on iPhone and iPad

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

**In-app purchases:** none


### ROTATRIX

[App page](https://appshunter.io/ios/app/rotatrix-old/id6766042003)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Countdown Game & Solver free?

Countdown Game & Solver is free to download, with no in-app purchases.

### Is ROTATRIX free?

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

### Do Countdown Game & Solver or ROTATRIX have ads?

Both Countdown Game & Solver and ROTATRIX show ads.

### Which is updated more often, Countdown Game & Solver or ROTATRIX?

Countdown Game & Solver ships an update every 3 weeks, and ROTATRIX daily. Most recently, Countdown Game & Solver was updated on October 6, 2026 and ROTATRIX on October 5, 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.*