Qu4tro vs Mellow Blocks
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Qu4tro
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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 โข Classic: one mistake and itโs over โข Arcade: play with 4 lives and build score multipliers through streaks โข Rush: race against the clock with time bonuses and penalties PROGRESSION โข Level up as you play โข Complete daily challenges to earn XP and coins โข Spend coins on boosts to push your runs further BOOSTS โข Remove 2 wrong answers โข Freeze the timer โข Shield yourself from one mistake COMPETE โข Climb Game Center leaderboards for every mode If you enjoy fast reflex games, number puzzles, and chasing high scores, Qu4tro is for you.
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-blindโfriendly 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
Verdict
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
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.
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.
| Parameter | Qu4tro | Mellow Blocks |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days โ better | Every 6 weeks |
| Ads | No โ better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 17.6 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 7 MB | 211 MB |
| Age rating | 4+ | 4+ |
| Developer | Bruno Morgan | Onder Genc |
In-app purchases
Qu4tro
- 40 coins$0.99
- 120 coins$1.99
- 360 coins$3.99
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- 1080 coins$5.99
Mellow Blocks
- Remove Ads$3.99









