# VariantDoku vs Tsuidoku

The clearest difference is in-app purchases: Tsuidoku at none against VariantDoku's 3. Tsuidoku also leads on review sentiment (100% vs 75%) and update cadence (every 4 days vs every 8 days). VariantDoku's advantage is ratings volume (7 vs 2). On price, rating, ads and device support there is nothing between them.

Both are free to download. VariantDoku sells 3 in-app purchases, starting at $4.99 per month. Tsuidoku asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for VariantDoku against 5.0 for Tsuidoku. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews are what separate them: 75% of VariantDoku's written reviews are positive against 100% of Tsuidoku's.

VariantDoku ships an update every 8 days, Tsuidoku every 4 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | VariantDoku | Tsuidoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (7 ratings)](https://appshunter.io/ios/app/variantdoku-variant-sudoku/id6763799102/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tsuidoku/id6773794537/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 101 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Uladzislau Artsemyeu](https://appshunter.io/developer/1853525975) | [Jordan MAIRE](https://appshunter.io/developer/6773794539) |

## What reviewers say

### VariantDoku

[App page](https://appshunter.io/ios/app/variantdoku-variant-sudoku/id6763799102)

This app offers a vast library of over 3,000 logic-based variant Sudoku puzzles, including Killer, Kropki, and zero-givens. It features interactive tutorials, advanced solving tools, and accessibility options like VoiceOver and color-blind support. Enjoy a pure logic experience with no ads or guessing required.

**Highlights:** 3,000+ variant and zero-givens puzzles, Logic-checked for single solutions, Interactive tutorials for all variants, Advanced solving tools (notes, colors, symbols), VoiceOver and color-blind support, Daily puzzle with leaderboard, Home-screen widget

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Variant+ Monthly | $4.99 | per month |
| Variant+ Annual | $24.99 | per year |
| Variant+ Lifetime | $39.99 | one-time |


### 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


## Frequently asked questions

### Is VariantDoku free?

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

### Is Tsuidoku free?

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

### Which has better reviews, VariantDoku or Tsuidoku?

Tsuidoku is rated higher. VariantDoku averages 4.9 out of 5 from 7 ratings, while Tsuidoku averages 5.0 from 2 ratings.

### Do VariantDoku or Tsuidoku have ads?

Neither VariantDoku nor Tsuidoku shows ads.

### Which is updated more often, VariantDoku or Tsuidoku?

VariantDoku ships an update every 8 days, and Tsuidoku every 4 days. Most recently, VariantDoku was updated on November 9, 2026 and Tsuidoku on October 31, 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.*