Comparison

Bubble Grotto vs Osushi211

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

Head to head
About

Bubble Grotto

Features
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Can you get Buster out of the Grotto? Guide Buster through a series of increasingly challenging levels, dodging hazards and controlling his size to reach each exit. But getting there isn't enough. Buster has to be the right size to escape. Too small? He can't get out. Too big? He can't get out — and risks bursting. Get it just right and Buster can escape to face the next challenge. Master every level, make it all the way out of the Grotto and Buster earns the ultimate prize — becoming King Bubble Buster. FEATURES • Guide Buster through increasingly challenging levels • Grow and shrink Buster to find the perfect escape size • Dodge obstacles and dangerous hazards • Balance size, movement and timing • Simple controls with skill-based physics gameplay • Increasing challenge as you progress • Complete every level and escape the Grotto • Become King Bubble Buster! Can you master every level and lead Buster to freedom?

About

Osushi211

Features
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Osushi 211 is a cute, sushi-themed number-merging puzzle inspired by classic 2048-style gameplay. Slide the board to combine matching tiles and create higher values. Every move feels satisfying as your tiles grow into a delicious lineup of “osushi” pieces. Easy to learn, hard to master—perfect for quick breaks or longer sessions when you want to focus and unwind. # How to play ・Swipe in any direction to move all tiles. ・When two matching tiles collide, they merge into a new tile. ・Plan ahead: the board fills up quickly if you rush. ・Try to reach the highest tile: Osushi 211! # Features ・Cute sushi-inspired visuals with a clean, relaxing feel ・Simple controls: swipe to play ・Quick rounds that fit into busy days ・A brain-teasing challenge that rewards strategy ・Optional ad removal as a one-time purchase Whether you’re chasing a high score, learning better patterns, or just enjoying the charming theme, Osushi 211 is a small puzzle you’ll want to come back to.

Screenshots

Bubble Grotto3 screens
Osushi2113 screens

Verdict

The call

The clearest difference is ads: Osushi211 at none against Bubble Grotto's shown. Osushi211 also leads on update cadence (every 2 weeks vs every 3 months). Bubble Grotto's advantage is iOS requirement (15.0 vs 26.2). On price, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Bubble Grotto ships an update every 3 months, Osushi211 every 2 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 3 level
Bubble Grotto versus Osushi211: the parameters behind the verdict, then further details
ParameterBubble GrottoOsushi211
PriceFreeFree
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better26.2
Further details — not scored
Size187 MB36 MB
Age rating4+4+
DeveloperJohn McArthurKawamata Koichiro

In-app purchases

None

Bubble Grotto

No in-app purchases

None

Osushi211

No in-app purchases

Questions

Is Bubble Grotto free?
Bubble Grotto is free to download, with no in-app purchases.
Is Osushi211 free?
Osushi211 is free to download, with no in-app purchases.
Do Bubble Grotto or Osushi211 have ads?
Bubble Grotto shows ads; Osushi211 does not.
Which is updated more often, Bubble Grotto or Osushi211?
Bubble Grotto ships an update every 3 months, and Osushi211 every 2 weeks. Most recently, Bubble Grotto was updated on October 28, 2026 and Osushi211 on October 25, 2026.

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