Comparison

SumX vs HamTower

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

Head to head
About

SumX

Features
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SumX: The Daily Math Grid & Brain Training Sharpen your mind with SumX, the addictive daily math puzzle designed for speed and logic. If you love Sudoku, Wordle, or mental math challenges, SumX is your new morning ritual. Find the target number, spot the patterns, and climb the leaderboard. [HOW TO PLAY] The Target: Every grid has a unique target number. Build Your Solution: Tap numbers and operators (+ or ร—) to reach the goal. Beat the Clock: You have 3 minutes! How many solutions can you find? Speed Bonus: Earn extra points for finishing early with our time-saver bonus. [WHY SUMX?] Daily Mental Workout: A fresh math grid every day to keep your brain agile. Private Groups: Create a group, share your Group Code, and compete on a private leaderboard with friends and family. Analyze & Learn: Missed a solution? Use "Show Missing" to see overlooked patterns in red. Track Progress: Detailed stats to monitor your arithmetic speed and cognitive growth. [PERFECT FOR] Fans of logic puzzles and number games. Students practicing mental math and multiplication. Adults looking for a quick, 3-minute brain teaser.

About

HamTower

Features
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Cute hamster physics puzzle! Stack blocks, build towers, and battle players worldwide in real-time. 21 languages supported, free to play! -- What's This Game About? -- [Stack Blocks to Build a Tower] Simple controls - just tap to place! But be careful with your balance, or the whole thing might tumble... Real physics make every moment exciting and unpredictable. [50 Stages of Adventure] Acorns, ice blocks, balloons, rubber balls... New block types keep things fresh and fun! Each stage brings surprising new twists. -- 16 Adorable Friends -- Golden hamsters, Djungarian, Roborovski, hedgehogs, guinea pigs, even bunnies...! Each one has a unique personality and stats. Collect new friends through gacha! No duplicates guaranteed - every pull is a brand new friend. -- Dress Up with Accessories -- Ribbons, crowns, capes, angel wings... 20 accessories to style your hamster. Create the cutest outfit and head out on your adventure! -- So Many Ways to Play! -- Story Mode Clear all 50 stages! Free Build Mode Stack as high as you can and set new records! Online Battles Challenge friends and players worldwide in real-time! Use bomb attacks and freeze attacks to mess things up! Rankings Compete for the tallest tower, fastest time, and best battle record! -- Why You'll Love It -- - Daily login bonus gives you free gacha tickets - No-duplicate gacha means every pull is a new discovery - Available in 13 languages - play with friends worldwide - Works on both mobile and PC Your fluffy hamster friends are waiting for you. Let's climb the Sunflower Tower together! [In-App Purchases] - Gacha Ticket ($0.99) - Ad-Free Plan ($4.99) All content is fully enjoyable without any purchases.

Screenshots

SumX4 screens
HamTower4 screens

Verdict

The call

The clearest difference is in-app purchases: SumX at none against HamTower's 2. HamTower's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. HamTower sells 2 one-off in-app purchases. SumX asks for nothing beyond the download.

UpkeepUpdate frequency

SumX ships an update every 5 days, HamTower every 9 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard2 real differences ยท 4 level
SumX versus HamTower: the parameters behind the verdict, then further details
ParameterSumXHamTower
PriceFreeFree
Update frequencyEvery 5 days โ€” betterEvery 9 days
AdsYesYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.113.0 โ€” better
Further details โ€” not scored
Size41 MB57 MB
Age rating4+4+
DeveloperSumX Games LTD.Kyosuke Takahashi

In-app purchases

None

SumX

No in-app purchases

2 purchases

HamTower

One-time2
  • Gacha Ticket$1.99
  • Remove Ads$7.99

Questions

Is SumX free?
SumX is free to download, with no in-app purchases.
Is HamTower free?
HamTower is free to download, with in-app purchases available.
Do SumX or HamTower have ads?
Both SumX and HamTower show ads.
Which is updated more often, SumX or HamTower?
SumX ships an update every 5 days, and HamTower every 9 days. Most recently, SumX was updated on November 5, 2026 and HamTower on October 31, 2026.

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