Comparison

Qu4tro vs Mellow Blocks

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

Head to head
About

Qu4tro

Features
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Qu4tro is a fast-paced number game where every tap matters. Your objective is simple: tap the number divisible by 4 before time runs out or your run ends. MODES โ€ข Classic: one mistake and itโ€™s over โ€ข Arcade: play with 4 lives and build score multipliers through streaks โ€ข Rush: race against the clock with time bonuses and penalties PROGRESSION โ€ข Level up as you play โ€ข Complete daily challenges to earn XP and coins โ€ข Spend coins on boosts to push your runs further BOOSTS โ€ข Remove 2 wrong answers โ€ข Freeze the timer โ€ข Shield yourself from one mistake COMPETE โ€ข Climb Game Center leaderboards for every mode If you enjoy fast reflex games, number puzzles, and chasing high scores, Qu4tro is for you.

About

Mellow Blocks

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Five hand-painted worlds. Fifty levels. Six companions waiting to meet you. Mellow Blocks is a cozy puzzle adventure โ€” a journey from the soft drift of the Clouds to the edge of Infinity, told through watercolor worlds and the friends you meet along the way. โ€” A JOURNEY UPWARD โ€” Rise through the Clouds, the Stars, the Moon, and a sparkling Galaxy, all the way to Infinity. Five hand-painted watercolor worlds, 10 levels each, with a boss waiting at the top. Meet Mellow, Cloud, Stella, Luna, Cosmo, and Nova โ€” each with their own story to share as you climb. โ€” THREE WAYS TO PLAY โ€” - Dreamscape โ€” a 50-level Adventure Map across 5 rising worlds, with characters, dialogue, and story moments - Gravity โ€” clear a line and watch the blocks above tumble down into chain clears - Classic โ€” endless, calming play; clear lines and chase your best score โ€” CLEVER POWER-UPS โ€” Bomb, Lightning, Color Bomb, and Multiplier โ€” plus combo bonuses, color-harmony rewards, ghost previews, and wildcard blocks to keep every board fresh. โ€” MORE THAN A PUZZLE โ€” - Soft landings โ€” no harsh "Game Over," just a gentle nudge to try again - Soothing music and floating, theme-based particles - Six visual themes and seasonal shifts through the year โ€” MADE FOR EVERYONE โ€” - Fully localized in 13 languages (including right-to-left Arabic) - Color-blindโ€“friendly palettes and customization โ€” PLAY ANYWHERE โ€” No Wi-Fi, no servers, no pressure. Mellow Blocks plays fully offline โ€” perfect for commutes, breaks, or winding down before bed. One-time Remove Ads available if you'd like an uninterrupted flow. Whether you've got 30 seconds or 30 minutes, this is the cozy puzzle you'll keep coming back to. โ€” MADE BY BEMO LABS โ€” An independent studio in Istanbul. Every world, character, and line of code was made by one person, for people who like their puzzles calm. Got feedback or a feature idea? Write to us: hello@bemolabs.com

Screenshots

Qu4tro4 screens
Mellow Blocks4 screens

Verdict

The call

The clearest difference is ads: Qu4tro at none against Mellow Blocks's shown. Qu4tro also leads on update cadence (every 5 days vs every 6 weeks). Mellow Blocks's advantage is iOS requirement (15.0 vs 17.6). On price, in-app purchases 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. Qu4tro sells 4 one-off in-app purchases and Mellow Blocks sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Qu4tro ships an update every 5 days, Mellow Blocks every 6 weeks. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

Scorecard3 real differences ยท 3 level
Qu4tro versus Mellow Blocks: the parameters behind the verdict, then further details
ParameterQu4troMellow Blocks
PriceFreeFree
Update frequencyEvery 5 days โ€” betterEvery 6 weeks
AdsNo โ€” betterYes
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS17.615.0 โ€” better
Further details โ€” not scored
Size7 MB211 MB
Age rating4+4+
DeveloperBruno MorganOnder Genc

In-app purchases

4 purchases

Qu4tro

One-time4
  • 40 coins$0.99
  • 120 coins$1.99
  • 360 coins$3.99
Show 1 more
  • 1080 coins$5.99
1 purchases

Mellow Blocks

One-time1
  • Remove Ads$3.99

Questions

Is Qu4tro free?
Qu4tro is free to download, with in-app purchases available.
Is Mellow Blocks free?
Mellow Blocks is free to download, with in-app purchases available.
Do Qu4tro or Mellow Blocks have ads?
Mellow Blocks shows ads; Qu4tro does not.
Which is updated more often, Qu4tro or Mellow Blocks?
Qu4tro ships an update every 5 days, and Mellow Blocks every 6 weeks. Most recently, Qu4tro was updated on October 9, 2026 and Mellow Blocks on October 8, 2026.

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