Sudoku.com vs Spell This
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sudoku.com
Engage your mind with a classic number puzzle game. Offers thousands of puzzles for all skill levels, from beginner to expert. Features tools like hints and auto-check to aid your gameplay and track your progress.
- Thousands of classic Sudoku puzzles
- Daily Challenges and Seasonal Events
- Hints and Auto-Check features
- Note-taking for possible numbers
- Progress tracking with statistics
- Highlighting duplicates
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Have fun and train your brain with one of the most downloaded sudoku apps in the AppStore! Millions of people play sudoku daily and it’s truly a game for everyone! The Sudoku.com app has thousands of classic sudoku puzzles to help you keep your brain active, unwind from stress or relax. Install to play now! Classic sudoku for beginners and advanced players. Whether you'd like to relax or keep your mind active – pass the time in a pleasant way! Get a short stimulating break and clear your head with Sudoku.com. Take your favorite game with you wherever you go. Playing Sudoku.com on mobile is as good as with a pencil and paper. Choose any level you like. Play easier levels to challenge your brain, or try expert levels to give your mind a real workout. Sudoku.com has some features that make the game easier for you: hints, auto-check, and highlighted duplicates. You can use them, or complete the challenge without their help – it's totally up to you! What's more, in Sudoku.com each puzzle has one solution. Get an amazing sudoku experience: · Take notes to keep track of possible numbers. Every time you fill in a cell, your notes are automatically updated! · Hints can guide you when you get stuck · Complete Daily Challenges and get unique trophies · Take part in Seasonal Events and win unique medals · View Statistics and track your progress · Challenge yourself and figure out your mistakes, or enable Auto-Check to see your mistakes as you go · Highlight duplicates to avoid repeating numbers in a row, column or block · Express yourself with funny ninja stickers for iMessage! Challenge your brain with Sudoku.com anywhere, anytime!
Spell This
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The longest English word in the dictionary is : pneumonoultramicroscopicsilicovolcanoconiosis A 45 letter word! Can you spell it? In Spell This, chose any letters on the screen to spell a word. If you are on level one, you need to spell two letter words, if you are on level two you need to spell three letter words, if you are on level three you need to spell four letter words and so on. And if you are a master of spelling, you'll reach level 44 to spell a 45 letter word, the longest word possible. Think quick and act fast because as the time goes on, more letter blocks keep falling down. If the top row is filled with letter blocks, then it's game over. See if you are the best speller in the world by submitting your score to the world wide leaderboard! Features: ------------ New: Added In language support for French. Spell both English or French words in the same game. Same experience on iOS, tvOS, macOS, and watch OS Save game progress automatically transferred between platforms via iCloud. Game works with console controllers Post your high score on Game Center leaderboards to see if you are the best speller in the world.
Screenshots
Verdict
The clearest difference is price: Sudoku.com at Free against Spell This's $0.99. Sudoku.com also leads on update cadence (every 3 weeks vs every 2 months) and chart position (#9 vs unranked). Spell This's advantage is in-app purchases (none vs 1) and ads (none vs shown).
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Sudoku.com is free to download; Spell This costs $0.99 up front. Sudoku.com sells 1 one-off in-app purchase. Spell This asks for nothing beyond the download.
Sudoku.com ships an update every 3 weeks, Spell This every 2 months. The most recent releases landed on November 9, 2026 and October 27, 2026 respectively.
| Parameter | Sudoku.com | Spell This |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.8 (1.9M ratings) — better | — |
| Positive reviews | 31.0% of reviews | — |
| Number of ratings | 1.9M — better | — |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #9 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Apple TV, Apple Watch — better |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 255 MB | 45 MB |
| Age rating | 12+ | 4+ |
| Developer | Easybrain Ltd | Salvatore La Mattina |
Bugs and requests
Sudoku.com
Reported bugs
3 issues- Ads causing app to crash or freeze
- Incorrect number detection and penalty system
- Saved progress not syncing across devices
Requested features
4 requests- Ability to reset puzzle progress
- More diverse puzzle types beyond standard Sudoku
- Multiplayer or competitive modes
- Customizable note-taking tools
Spell This
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sudoku.com
- Sudoku.com No Ads$14.99
Spell This
No in-app purchases








