Comparison

One Block vs Perfect Echo

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

Head to head
About

One Block

Test your problem-solving skills by sliding and merging blocks until only one remains. This logic puzzle offers a relaxing, stress-free experience with no time limits, featuring handcrafted levels and an accessible design for all players.

Highlights
  • Strategic block merging
  • No time limits
  • Handcrafted levels
  • Colorblind accessible design
  • Relaxing ambient audio
  • Achievement tracking
Read full description

Can you merge them all into One Block? Put your problem-solving skills to the test in this engaging logic puzzle. Your mission is simple but challenging: slide and merge blocks together until only a single, unified block remains. To succeed, youโ€™ll need to move blocks strategically, keep them within the playing field, and make clever use of obstacles and stops on the board. The order of your moves and how you fit the pieces together will determine your success. With no time limits, you can relax, think ahead, and play entirely at your own pace. Whether you are looking for a quick mental workout or hours of brain-teasing entertainment, "One Block: Puzzle Adventure" offers the perfect balance of challenge and relaxation for all ages. GAME FEATURES: Innovative Gameplay Mechanics: Simple to learn, deeply satisfying to master. Handcrafted Levels: Dozens of unique puzzles combined with amazing features. Play at Your Own Pace: Enjoy a stress-free experience with absolutely no time limits. Accessible Design: Includes a dedicated colorblind solution so everyone can play. Immersive Audio: Relaxing music paired with soothing forest ambient sounds. Achievements: Track your progress and conquer the ultimate mental challenges. Connect With Us: Stay updated on the latest news, levels, and updates! Follow us on Facebook: facebook.com/oneblockpa

About

Perfect Echo

Features
Read full description

Find the perfect timing and reach the end of the level

Screenshots

One Block4 screens
Perfect Echo4 screens

Verdict

The call

The clearest difference is in-app purchases: Perfect Echo at none against One Block's 10. Perfect Echo also leads on iOS requirement (12.0 vs 16.0). One Block's advantage is update cadence (every 9 days vs every 35 months). On price, 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. One Block sells 10 one-off in-app purchases. Perfect Echo asks for nothing beyond the download.

UpkeepUpdate frequency

One Block ships an update every 9 days, Perfect Echo every 35 months. The most recent releases landed on October 7, 2026 and October 27, 2026 respectively.

Scorecard3 real differences ยท 5 level
One Block versus Perfect Echo: the parameters behind the verdict, then further details
ParameterOne BlockPerfect Echo
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 9 days โ€” betterEvery 35 months
AdsYesYes
In-app purchasesYesNo โ€” better
MonetizationFree with in-app purchasesโ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS16.012.0 โ€” better
Further details โ€” not scored
Size131 MB41 MB
Age rating4+17+
DeveloperMartynas GavelisMarco Andreotti

In-app purchases

10 purchases

One Block

One-time10
  • Remove Ads$1.99
  • Levels Package 4$1.99
  • Handful of Coins$1.99
Show 7 more
  • Unlimited Lives$1.99
  • Remove Ads Bundle$2.99
  • Remove Ads$3.99
  • Pile of Coins$3.99
  • Remove Ads$5.99
  • Remove Ads$7.99
  • Bucket of Coins$7.99
None

Perfect Echo

No in-app purchases

Questions

Is One Block free?
One Block is free to download, with in-app purchases available.
Is Perfect Echo free?
Perfect Echo is free to download, with no in-app purchases.
Do One Block or Perfect Echo have ads?
Both One Block and Perfect Echo show ads.
Which is updated more often, One Block or Perfect Echo?
One Block ships an update every 9 days, and Perfect Echo every 35 months. Most recently, One Block was updated on October 7, 2026 and Perfect Echo on October 27, 2026.

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