# Letterlike vs Sudoku Lab

The clearest difference is price: Sudoku Lab at Free against Letterlike's $4.99. Sudoku Lab also leads on rating (5.0 vs 4.7). Letterlike's advantage is in-app purchases (none vs 4) and ratings volume (122 vs 1). On ads and device support there is nothing between them.

Sudoku Lab is free to download; Letterlike costs $4.99 up front. Sudoku Lab sells 4 one-off in-app purchases. Letterlike asks for nothing beyond the download.

Sudoku Lab holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Letterlike has 122 ratings behind it against 1, so its average is the more settled of the two.

Letterlike ships an update every 4 days, Sudoku Lab every 2 weeks. Both last shipped on November 4, 2026.

## The numbers

| Metric | Letterlike | Sudoku Lab |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.7 (122 ratings)](https://appshunter.io/ios/app/letterlike/id6737422986/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sudoku-lab-feingames/id6741718648/reviews)** |
| Number of ratings | **122** | 1 |
| Positive reviews | 89.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Paid | **Free** |
| Best chart rank | **#46** | — |
| Size | 48 MB | 7 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ronald Lee](https://appshunter.io/developer/1752023445) | [Vlad Feinstein](https://appshunter.io/developer/1756392392) |

## What reviewers say

### Letterlike

[App page](https://appshunter.io/ios/app/letterlike/id6737422986)

**Currently charting:** #46 Top Paid · Word (US App Store)

Embark on a solo roguelike word adventure with procedurally generated challenges. Create words to score points, unlock upgrades, and conquer bosses. Enjoy endless replayability with New Game Plus and offline play.

**Highlights:** Roguelike word gameplay, Procedurally generated runs, Word creation for points, Progressive gem upgrades, Offline play, New Game Plus mode

**In-app purchases:** none

**What reviewers like**

- 🎉 Addictive and fun gameplay
- 👍 Clever combination of Scrabble and roguelike
- 🚀 Challenging but rewarding progression system
- 💎 Satisfying upgrade and customization options
- 🕹️ Enjoyable for short bursts or long sessions

**What reviewers complain about**

- 🐛 Occasional difficulty spikes and unbalanced runs
- 🗣️ Annoying AI opponent trash talk
- 💰 Diamonds could be more reasonably priced

**Reported bugs**

- Crashes or freezes on some devices
- Inconsistent letter distribution

**Requested features**

- Save progress and resume games
- Leaderboards and social features
- More visual customization options
- In-game dictionary or word definitions


### Sudoku Lab

[App page](https://appshunter.io/ios/app/sudoku-lab-feingames/id6741718648)

Engage with over 50,000 unique Sudoku puzzles and a practice mode featuring 24 distinct strategies. Utilize a 'Forward' command to automate simple moves and a three-stage hint system to guide your strategic thinking. Enjoy offline play with no internet connection required and a commitment to user privacy.

**Highlights:** 50,000+ unique Sudoku puzzles, Practice Mode with 24 strategies, Automated 'Forward' command, Three-stage hint system, Offline play, no internet needed, Private, no data collection

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Strategies | $0.99 | one-time |
| Advanced Strategies | $1.99 | one-time |
| Master Strategies | $2.99 | one-time |
| All Strategies | $4.99 | one-time |


## Frequently asked questions

### Is Letterlike free?

Letterlike costs $4.99, with no in-app purchases.

### Is Sudoku Lab free?

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

### Which has better reviews, Letterlike or Sudoku Lab?

Sudoku Lab is rated higher. Letterlike averages 4.7 out of 5 from 122 ratings, while Sudoku Lab averages 5.0 from 1 ratings.

### Do Letterlike or Sudoku Lab have ads?

Neither Letterlike nor Sudoku Lab shows ads.

### Which is updated more often, Letterlike or Sudoku Lab?

Letterlike ships an update every 4 days, and Sudoku Lab every 2 weeks. Most recently, Letterlike was updated on November 4, 2026 and Sudoku Lab on November 4, 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.*