Comparison

Sudoku Classic vs Chompy's Quest

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

Head to head
About

Sudoku Classic

Features
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Soku is classic 9×9 Sudoku — free, focused, and made for your brain. Choose Easy, Medium, Hard, or Very Hard. Fill every row, column, and 3×3 box with the numbers 1 to 9. No repeats. Just logic. Play a quick puzzle on the train or settle in for a longer session. Soku stays out of the way so you can think. WHY SOKU • Classic Sudoku, nothing extra — a clean 9×9 grid • Four difficulty levels, from beginner to Very Hard • Hints when you get stuck • Undo and reset if you want a fresh start • Error tracking so you can learn from mistakes • On-screen timer to beat your own time • Completed-number tracker to see what is left • Dark Mode for late-night puzzles • Game Center leaderboards for each difficulty • Free to play on iPhone and iPad • Small download (about 7 MB) • No account. Puzzles are generated on your device HOW TO PLAY 1. Pick a difficulty. 2. Tap a cell, then tap a number. 3. Each digit from 1 to 9 can appear only once in its row, column, and 3×3 box. 4. Use a hint if you need a nudge — or play it pure. A CALM BRAIN GAME Sudoku is a number puzzle and a logic workout. A few minutes a day can sharpen focus and problem-solving. Soku is built for that habit: offline-friendly play, a readable board, and no sign-up wall. Soku includes optional ads to keep the game free. If you enjoy a quiet grid and a fair challenge, download Soku and start a puzzle today. If you like classic Sudoku, a rating or a short review helps other players find it. Thank you for playing.

About

Chompy's Quest

Features
Read full description

Meet Chompy, the cutest little dinosaur on a big island bursting with playground games. Designed for kids and toddlers, Chompy’s Island is a safe and colorful world packed with over 12 interactive activities that spark curiosity, creativity, and joy. What's new on Chompy’s Island? > Interactive Playground – All your favorite playground rides: slide, swing, merry-go-round, airplane tour, and more! > Hide and Seek – Dino friends love to play peekaboo. Can you find them hiding behind trees, rocks, and other spots? > Treasure Hunt – A treasure chest is buried somewhere on the island. Use bright light clues and audio beeps to track it down and dig it up. > Collect 'em All – Search the island for fun collectible items. How many can you find? > Jeep Safari – Drive across the island in a bumpy jeep adventure. Collect fuel cans to keep going. > Smarty-Saurus Quiz – Learn while you play. Chompy's new quiz game features fun, simple "yes" or "no" questions about manners, safety, hygiene, and general science. > Lava Leap – The volcano is about to erupt. Help Chompy arrange directional arrows to guide his escape across tricky lava paths. > Island Train – Become the conductor. Drive a train around the island, pick up dino passengers, control the speed, and sound the train horn. > Ferris Wheel Fun – Ride high above the island in a colorful ferris wheel. Control the speed and enjoy the view. > Dino Soccer – Kick the ball and score some goals in this playful mini match. Explore Beautiful Biomes – Roam through lush forests, splash by the lake, dig in sandy beaches, climb tall mountains, and even visit a gentle glowing volcano. Silly and Surprise Moments – Bounce on jump pads, pop bubbles, kick beach balls, grab an ice cream, and more. Meet Dino Friends – Chat, laugh, and play with friendly dino buddies who join you on your adventures. With easy, toddler-friendly controls, vibrant visuals, and wholesome adventures around every corner, Chompy’s Island is the perfect digital playground for your little explorer. Let the adventure begin - download now and play today! View the EULA here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sudoku Classic4 screens
Chompy's Quest4 screens

Verdict

The call

The clearest difference is in-app purchases: Sudoku Classic at none against Chompy's Quest's 3. Chompy's Quest's advantage is update cadence (monthly vs every 4 months). On price, ads, device support and iOS requirement 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

Both are free to download. Chompy's Quest sells 3 in-app purchases, starting at $1.99 per month. Sudoku Classic asks for nothing beyond the download.

UpkeepUpdate frequency

Sudoku Classic ships an update every 4 months, Chompy's Quest monthly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 4 level
Sudoku Classic versus Chompy's Quest: the parameters behind the verdict, then further details
ParameterSudoku ClassicChompy's Quest
PriceFreeFree
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size7 MB397 MB
Age rating4+4+
DeveloperAlga GamesDANIEL ROBERT MINNAAR

In-app purchases

None

Sudoku Classic

No in-app purchases

3 purchases

Chompy's Quest

Subscriptions2
  • Unlock All Activities$1.991 Month
  • Unlock All Activities$17.991 Year
One-time1
  • Remove Ads$3.99

Questions

Is Sudoku Classic free?
Sudoku Classic is free to download, with no in-app purchases.
Is Chompy's Quest free?
Chompy's Quest is free to download, with in-app purchases available.
Do Sudoku Classic or Chompy's Quest have ads?
Neither Sudoku Classic nor Chompy's Quest shows ads.
Which is updated more often, Sudoku Classic or Chompy's Quest?
Sudoku Classic ships an update every 4 months, and Chompy's Quest monthly. Most recently, Sudoku Classic was updated on October 26, 2026 and Chompy's Quest on October 25, 2026.

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