# Sudoku Lite Version vs Tetsudoku

The clearest difference is in-app purchases: Sudoku Lite Version at none against Tetsudoku's 1. Sudoku Lite Version also leads on iOS requirement (13.0 vs 18.0). Tetsudoku's advantage is ads (none vs shown) and update cadence (every 5 weeks vs every 46 months). On price and device support there is nothing between them.

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

Sudoku Lite Version ships an update every 46 months, Tetsudoku every 5 weeks. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Sudoku Lite Version | Tetsudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tetsudoku/id6762089912/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 46 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 78 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Huang Jui-Ming](https://appshunter.io/developer/1455815164) | [Anodized Software](https://appshunter.io/developer/789609150) |

## What reviewers say

### Sudoku Lite Version

[App page](https://appshunter.io/ios/app/sudoku-lite-version/id1455815165)

**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 Sudoku Lite Version free?

Sudoku Lite Version is free to download, with no in-app purchases.

### Is Tetsudoku free?

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

### Do Sudoku Lite Version or Tetsudoku have ads?

Sudoku Lite Version shows ads; Tetsudoku does not.

### Which is updated more often, Sudoku Lite Version or Tetsudoku?

Sudoku Lite Version ships an update every 46 months, and Tetsudoku every 5 weeks. Most recently, Sudoku Lite Version was updated on October 18, 2026 and Tetsudoku on October 19, 2026.

---

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