# Tsuidoku vs Block Puzzle

The clearest difference is in-app purchases: Tsuidoku at none against Block Puzzle's 1. Tsuidoku also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 weeks). On price there is nothing between them.

Both are free to download. Block Puzzle sells 1 one-off in-app purchase. Tsuidoku asks for nothing beyond the download.

Tsuidoku ships an update every 4 days, Block Puzzle every 2 weeks. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Tsuidoku | Block Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tsuidoku/id6773794537/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 101 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Jordan MAIRE](https://appshunter.io/developer/6773794539) | [Ioannis Pinakoulakis](https://appshunter.io/developer/380800737) |

## What reviewers say

### Tsuidoku

[App page](https://appshunter.io/ios/app/tsuidoku/id6773794537)

This logic puzzle expands on classic Sudoku with an additional color constraint. Solve daily challenges, master unique techniques, and compete with friends. It offers a fresh take on number and color pairing puzzles.

**Highlights:** Number and color constraints, Daily global challenges, Streak tracking and medals, Rainbow and Color Wheel techniques, Friend comparisons and chat, Detailed player profiles

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

**In-app purchases:** none


### Block Puzzle

[App page](https://appshunter.io/ios/app/block-puzzle-hexipop/id6810778972)

**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 Tsuidoku free?

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

### Is Block Puzzle free?

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

### Do Tsuidoku or Block Puzzle have ads?

Block Puzzle shows ads; Tsuidoku does not.

### Which is updated more often, Tsuidoku or Block Puzzle?

Tsuidoku ships an update every 4 days, and Block Puzzle every 2 weeks. Most recently, Tsuidoku was updated on October 31, 2026 and Block Puzzle on November 10, 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.*