# Tangram King vs Circuit Challenge

The clearest difference is update cadence: Circuit Challenge at monthly against Tangram King's every 4 months. Tangram King's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Tangram King sells 1 one-off in-app purchase and Circuit Challenge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Tangram King ships an update every 4 months, Circuit Challenge monthly. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Tangram King | Circuit Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (154 ratings)](https://appshunter.io/ios/app/tangram-king/id1124017784/reviews)** | — |
| Number of ratings | **154** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 38 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MOBIRIX](https://appshunter.io/developer/349276666) | [Karl Hadman](https://appshunter.io/developer/1895869536) |

## What reviewers say

### Tangram King

[App page](https://appshunter.io/ios/app/tangram-king/id1124017784)

Engage your mind with a classic puzzle game where you arrange seven geometric shapes to complete intricate patterns. Explore multiple game modes and challenge yourself with countless stages, offering hours of engaging gameplay. Compete with friends or players worldwide through various online features.

**Highlights:** 7 geometric pieces for puzzles, Multiple game modes (classic, double, flip, spinning, hard), Countless stages for extended play, 1v1 versus multiplayer mode, Leaderboard and achievement support, Supports 16 languages

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hint Item Purchase | $2.99 | one-time |

**What reviewers like**

- 👍 Fun and entertaining
- 🧠 Good for brain exercise
- 👨‍👩‍👧‍👦 Suitable for children
- 😌 Relaxing and calming
- 💡 Many puzzles/levels

**What reviewers complain about**

- 😠 Too many ads
- 🐛 Pieces don't always fit perfectly
- 🐛 Game doesn't always recognize solved puzzles
- 🐛 Pieces are given in the correct direction (too easy)
- 🐛 Lack of rotation for pieces

**Reported bugs**

- Pieces not perfectly aligned
- Game not recognizing solved puzzles
- Ads blocking gameplay
- Sensitivity issues with piece placement
- Game progress reset

**Requested features**

- Paid version to remove ads
- Option to rotate pieces
- More challenging levels
- Improve piece fitting sensitivity
- Add more game modes


### Circuit Challenge

[App page](https://appshunter.io/ios/app/circuit-challenge/id6775152743)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


## Frequently asked questions

### Is Tangram King free?

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

### Is Circuit Challenge free?

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

### Do Tangram King or Circuit Challenge have ads?

Both Tangram King and Circuit Challenge show ads.

### Which is updated more often, Tangram King or Circuit Challenge?

Tangram King ships an update every 4 months, and Circuit Challenge monthly. Most recently, Tangram King was updated on October 26, 2026 and Circuit Challenge on October 20, 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.*