Comparison

Letterlike vs Sudoku Lab

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Letterlike

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
Currently charting
Read full description

Play the demo for free at playletterlike.com or by clicking the Developer Website link below. Prepare for endless possibilities with Letterlike, a roguelike word game! SOLO WORD GAME Designed to be played alone, but specific runs can be replayed by friends using a shared seed! MAKE WORDS, SCORE POINTS Advance through rounds and stages by making longer words and scoring more points! ENDLESS POSSIBILITIES Letterlike offers procedurally generated runs with random items and random bosses to provide for endless possibilities! PROGRESSIVE UPGRADES Gain special gems throughout the game to gain powerful upgrades for each run! ONE-TIME PURCHASE We are dedicated to making Letterlike ad-free without any in-app purchases so your purchase goes a long way! FREE UPDATES Any updates to Letterlike (including expansions of items and bosses) will always be free! NEW GAME PLUS Unlimited fun playing again with new game plus PLAY OFFLINE The entire game is available offline to be enjoyed on the go! By downloading the Letterlike App, you agree to the Letterlike Privacy Policy (https://playletterlike.com/privacy), Terms and Conditions (https://playletterlike.com/terms), and Apple Terms of Sale

About

Sudoku Lab

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
Read full description

50,000+ unique puzzles. Convenient Practice Mode with 24 strategies so far, with more coming. “Forward” command to auto-perform trivial actions (solve Naked or Hidden Singles), so that you can concentrate on the strategy. Three-stage Hint system with the first stage just giving you the strategy name, so you can have another look at the board. No Internet connection is ever needed. After you install the app :) Private - no tracking, no data collection of any kind. No adds!

Screenshots

Letterlike4 screens
Sudoku Lab1 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard8 real differences · 3 level
Letterlike versus Sudoku Lab: the parameters behind the verdict, then further details
ParameterLetterlikeSudoku Lab
Price$4.99Free — better
Rating4.7 (122 ratings)5.0 (1 ratings) — better
Positive reviews89.0% of reviews—
Number of ratings122 — better1
Update frequencyEvery 4 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree — better
Best chart rank#43 — better—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better18.2
Further details — not scored
Size48 MB7 MB
Age rating4+4+
DeveloperRonald LeeVlad Feinstein

Customer experience

Letterlike

All ratings122 ratings
Positive93.4%
Neutral3.3%
Negative3.3%
Written reviews100 reviews
Positive89.0%
Neutral6.0%
Negative5.0%

Sudoku Lab

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Letterlike

Reported bugs

2 issues
  • Crashes or freezes on some devices
  • Inconsistent letter distribution

Requested features

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

Sudoku Lab

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Letterlike

No in-app purchases

4 purchases

Sudoku Lab

One-time4
  • Basic Strategies$0.99
  • Advanced Strategies$1.99
  • Master Strategies$2.99
Show 1 more
  • All Strategies$4.99

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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