# RotaStone vs Trilateral Puzzler

The clearest difference is iOS requirement: RotaStone at 12.0 against Trilateral Puzzler's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | RotaStone | Trilateral Puzzler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trilateral-puzzler/id6450143256/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Ad-supported |
| Size | 60 MB | 37 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [radiuthree Co., Ltd](https://appshunter.io/developer/1158448737) | [Dogfish Technologies, LLC](https://appshunter.io/developer/1197710360) |

## What reviewers say

### RotaStone

[App page](https://appshunter.io/ios/app/rotastone/id1619250280)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trilateral Puzzler

[App page](https://appshunter.io/ios/app/trilateral-puzzler/id6450143256)

Engage your intellect with challenging puzzles by matching sides of triangles in a visually stunning world. Utilize hints and check answer features to navigate triangular landscapes and solve intricate problems.

**Highlights:** Triangle side matching puzzles, Intellectually engaging challenges, Hint system, Check answer feature, Visually stunning world, Vibrant color design

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RotaStone free?

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

### Is Trilateral Puzzler free?

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

### Do RotaStone or Trilateral Puzzler have ads?

Both RotaStone and Trilateral Puzzler show ads.

### Which is updated more often, RotaStone or Trilateral Puzzler?

RotaStone ships an update every 2 months, and Trilateral Puzzler every 2 months. Most recently, RotaStone was updated on October 11, 2026 and Trilateral Puzzler on October 13, 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.*