Comparison

Alto Asteroids vs U Blocks

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

Head to head
About

Alto Asteroids

Features
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Alto Asteroids brings that nostalgia to life with a playful, hand-drawn twist and an ASMR soundscape. Dive into fast-paced, swipe-controlled battles set on notebook-paper battlegrounds. Dodge crumpled-paper asteroids, steer clear of drifting clouds, and pilot your pencil-sketched spaceship to victory!

About

U Blocks

Features
Read full description

Find your flow, clear the grid, and turn one smart move into a huge combo. U Blocks is a polished block puzzle that is easy to start and rewarding to master. Drag shapes onto the board, complete rows, columns, and 3x3 areas, and keep space open for the next move. Play for a quiet break or chase a new personal best. FIVE WAYS TO PLAY โ€ข Classic: Relax and plan at your own pace on a 6x6 or 9x9 board. โ€ข Timed: Think fast in 1, 2, or 5-minute score attacks. โ€ข Bomb: Clear countdown bombs before they cost a life. โ€ข Fly: Tap through moving block walls in a reflex-driven arcade challenge. โ€ข Puzzle: Complete a new picture puzzle every day in a monthly journey. ALWAYS SOMETHING TO AIM FOR Build combos, complete daily and weekly challenges, protect your streak, earn XP, unlock 35 achievements, and climb online leaderboards. Your unfinished Classic, Timed, and Bomb games are saved automatically so you can continue later. MAKE THE GRID YOURS Use Bomb, Row Clear, and Undo when the board gets tight. Choose from 201 colorful palettes and country themes. Play comfortably on phones and tablets with light and dark appearances, color-blind patterns, font-size choices, and one-handed layout options. U Blocks is free to play with optional purchases. Pro removes ads, unlocks 4 themes of your choice, and adds extra Undo and streak-protection benefits. Download U Blocks, place your first shapes, and see how far one smart move can take you.

Screenshots

Alto Asteroids1 screens
U Blocks4 screens

Verdict

The call

The clearest difference is in-app purchases: Alto Asteroids at none against U Blocks's 10. Alto Asteroids also leads on 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. U Blocks sells 10 one-off in-app purchases. Alto Asteroids asks for nothing beyond the download.

UpkeepUpdate frequency

Alto Asteroids ships an update weekly, U Blocks every 8 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

Scorecard2 real differences ยท 4 level
Alto Asteroids versus U Blocks: the parameters behind the verdict, then further details
ParameterAlto AsteroidsU Blocks
PriceFreeFree
Update frequencyWeekly โ€” betterEvery 8 days
AdsYesYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 โ€” better15.1
Further details โ€” not scored
Size86 MB76 MB
Age rating4+4+
DeveloperJames John Group, LLCUMUT BERKAY ERDOGAN

In-app purchases

None

Alto Asteroids

No in-app purchases

10 purchases

U Blocks

One-time10
  • Poland$0.99
  • Argentina$0.99
  • Portugal$0.99
Show 7 more
  • Flag Indonesia$0.99
  • Ukraine$0.99
  • Americas Pack$3.99
  • Europe Pack$3.99
  • Asia Pack$3.99
  • MENA Pack$3.99
  • Rest of World Pack$4.99

Questions

Is Alto Asteroids free?
Alto Asteroids is free to download, with no in-app purchases.
Is U Blocks free?
U Blocks is free to download, with in-app purchases available.
Do Alto Asteroids or U Blocks have ads?
Both Alto Asteroids and U Blocks show ads.
Which is updated more often, Alto Asteroids or U Blocks?
Alto Asteroids ships an update weekly, and U Blocks every 8 days. Most recently, Alto Asteroids was updated on October 25, 2026 and U Blocks on October 31, 2026.

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