Alto Asteroids vs U Blocks
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Alto Asteroids
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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!
U Blocks
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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 โข Classic: Relax and plan at your own pace on a 6x6 or 9x9 board. โข Timed: Think fast in 1, 2, or 5-minute score attacks. โข Bomb: Clear countdown bombs before they cost a life. โข Fly: Tap through moving block walls in a reflex-driven arcade challenge. โข 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
Verdict
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
Both are free to download. U Blocks sells 10 one-off in-app purchases. Alto Asteroids asks for nothing beyond the download.
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.
| Parameter | Alto Asteroids | U Blocks |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly โ better | Every 8 days |
| Ads | Yes | Yes |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 โ better | 15.1 |
| Further details โ not scored | ||
| Size | 86 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | James John Group, LLC | UMUT BERKAY ERDOGAN |
In-app purchases
Alto Asteroids
No in-app purchases
U Blocks
- Poland$0.99
- Argentina$0.99
- Portugal$0.99
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- 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?
Is U Blocks free?
Do Alto Asteroids or U Blocks have ads?
Which is updated more often, Alto Asteroids or U Blocks?
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