# SudokuCracker vs Lettery!

The clearest difference is in-app purchases: SudokuCracker at none against Lettery!'s 1. SudokuCracker also leads on update cadence (fortnightly vs every 5 weeks). Lettery!'s advantage is ads (none vs shown) and ratings volume (3 vs 1). On price, rating, review sentiment and device support there is nothing between them.

Both are free to download. Lettery! sells 1 one-off in-app purchase. SudokuCracker asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SudokuCracker against 5.0 for Lettery!. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

SudokuCracker ships an update fortnightly, Lettery! every 5 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | SudokuCracker | Lettery! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sudokucracker/id1515415106/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/lettery/id1609779709/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 80 MB | 1 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Julius Mueller](https://appshunter.io/developer/1515415105) | [Peter Kramer](https://appshunter.io/developer/348619994) |

## What reviewers say

### SudokuCracker

[App page](https://appshunter.io/ios/app/sudokucracker/id1515415106)

This app offers a fast and efficient way to solve any Sudoku puzzle. It provides options for hints on specific numbers or can solve the entire puzzle for you. Enjoy challenging yourself or getting instant solutions.

**Highlights:** Solve any Sudoku puzzle, Get hints for specific numbers, Full puzzle solver, Instantaneous solutions, Touch Sudoku challenge

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

**In-app purchases:** none


### Lettery!

[App page](https://appshunter.io/ios/app/lettery/id1609779709)

A word guessing game where players aim to find a hidden word within a limited number of attempts. It offers multiple word lengths and daily challenges, with options to play additional random words. Results can be shared, and progress is tracked anonymously.

**Highlights:** Multi-length word guessing (4-7 letters), Daily hidden words, Unlimited random word play, Intelligent keyboard with letter placement hints, Customizable color indicators, Anonymous score comparison, Social media sharing of results

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contribution | $0.99 | one-time |


## Frequently asked questions

### Is SudokuCracker free?

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

### Is Lettery! free?

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

### Which has better reviews, SudokuCracker or Lettery!?

SudokuCracker and Lettery! are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do SudokuCracker or Lettery! have ads?

SudokuCracker shows ads; Lettery! does not.

### Which is updated more often, SudokuCracker or Lettery!?

SudokuCracker ships an update fortnightly, and Lettery! every 5 weeks. Most recently, SudokuCracker was updated on October 24, 2026 and Lettery! on October 20, 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.*