# SudokuPlus vs Tetsudoku

The clearest difference is in-app purchases: SudokuPlus at none against Tetsudoku's 1. SudokuPlus also leads on update cadence (weekly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Tetsudoku sells 1 one-off in-app purchase. SudokuPlus asks for nothing beyond the download.

SudokuPlus ships an update weekly, Tetsudoku every 5 weeks. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SudokuPlus | Tetsudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tetsudoku/id6762089912/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 78 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joel Boyd](https://appshunter.io/developer/1787767717) | [Anodized Software](https://appshunter.io/developer/789609150) |

## What reviewers say

### SudokuPlus

[App page](https://appshunter.io/ios/app/sudokuplus-pure-logic/id6743255151)

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

**In-app purchases:** none


### Tetsudoku

[App page](https://appshunter.io/ios/app/tetsudoku/id6762089912)

This app teaches logical Sudoku solving with daily puzzles and detailed hints. It automatically tracks candidates and offers a learn section with fifteen solving strategies. Unlock unlimited custom puzzles and track your progress.

**Highlights:** Daily puzzles (Easy, Medium, Hard, Expert), Logical step-by-step hints, Fifteen solving strategies with practice, Automatic candidate tracking, Custom puzzle generation, Solve time and progress tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tetsudoku Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is SudokuPlus free?

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

### Is Tetsudoku free?

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

### Do SudokuPlus or Tetsudoku have ads?

Neither SudokuPlus nor Tetsudoku shows ads.

### Which is updated more often, SudokuPlus or Tetsudoku?

SudokuPlus ships an update weekly, and Tetsudoku every 5 weeks. Most recently, SudokuPlus was updated on October 6, 2026 and Tetsudoku on October 24, 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.*