# Sudogu vs Triamond

The clearest difference is in-app purchases: Sudogu at none against Triamond's 4. Sudogu also leads on ads (none vs shown). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. Triamond sells 4 one-off in-app purchases. Sudogu asks for nothing beyond the download.

Sudogu ships an update fortnightly, Triamond every 10 days. The most recent releases landed on October 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sudogu | Triamond |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sudogu/id6739965254/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 42 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Neil Rohan](https://appshunter.io/developer/1522614743) | [Keiya Takagi](https://appshunter.io/developer/1879474538) |

## What reviewers say

### Sudogu

[App page](https://appshunter.io/ios/app/sudogu/id6739965254)

This app offers a unique take on Sudoku with user-loaded solution algorithms and instant feedback on incorrect guesses. Enjoy multiple difficulty levels, no time limits, and save your progress anytime. It provides a relaxed, ad-free gaming experience for all ages.

**Highlights:** User loaded solution algorithms, Immediate feedback on wrong guesses, Four difficulty levels, No time limits, Save progress anytime, Detailed game records, Ad-free experience

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

**In-app purchases:** none


### Triamond

[App page](https://appshunter.io/ios/app/triamond-triangle-puzzle/id6759554070)

Experience a unique block puzzle game on a triangle grid. Drag and drop varied pieces to clear lines in three directions, aiming for high scores. Enjoy daily challenges, collect skins, and test your logic with this fresh take on the genre.

**Highlights:** Triangle grid board, 3-way line clearing, 20+ unique piece shapes, Intuitive drag-and-drop controls, Daily challenges, Combos and achievements, Unlockable skins

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Coins | $1.99 | one-time |
| Remove Ads | $4.99 | one-time |
| 500 Coins | $8.99 | one-time |
| 2500 Coins | $39.99 | one-time |


## Frequently asked questions

### Is Sudogu free?

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

### Is Triamond free?

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

### Do Sudogu or Triamond have ads?

Triamond shows ads; Sudogu does not.

### Which is updated more often, Sudogu or Triamond?

Sudogu ships an update fortnightly, and Triamond every 10 days. Most recently, Sudogu was updated on October 9, 2026 and Triamond on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*