Comparison

KAMI 2 vs ston

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

Head to head
About

KAMI 2

This game challenges players to fill each puzzle with a single color using the fewest moves possible. It offers over 100 handcrafted puzzles, daily challenges, and the ability to create and share your own designs.

Highlights
  • Hand-crafted puzzles
  • Single color flood mechanic
  • Fewest moves challenge
  • Daily challenges
  • User-generated puzzles
  • Puzzle builder
Features
Read full description

Sequel to #1 puzzle game, KAMI The calming yet addictive puzzle game is back! With over 100 hand-crafted puzzles, Kami 2 takes you on a mind-twisting journey that combines logic and problem-solving. Can you achieve perfection? Flood each puzzle with a single color in as few moves as possible to claim a 'Perfect' sticker. But watch out for subtle new tricks and fiendish surprises. Want even more? Beat the global Daily Challenge, earn a winning streak and compare your scores to other players. Test yourself on thousands of user-generated puzzles, uploaded daily. Get creative and take on the world. Craft your own KAMI designs using the Puzzle Builder. Design and share your creations, send them to your friends and challenge the world to match your score.

About

ston

This is a minimalist puzzle game with a unique design. It challenges your brain with mind-blowing levels and no time or move limits, allowing for a relaxing experience.

Highlights
  • Mind-blowing levels
  • Brain challenge
  • Minimalistic design
  • Relaxing music and sounds
  • No time or move limits
Features
Read full description

ston is a mind-blowing minimalistic puzzle game with unique and remarkable design. ston does not have a time or move limits, allowing you to just relax and focus. Your goal is to remove all of the cubes by passing on them. ston is now ready to cook your brain. Are you? Features: ◈ Mind-blowing levels ◈ Challenge your brain ◈ Remarkable minimalistic design ◈ Relaxing, peaceful music and sounds

Screenshots

KAMI 24 screens
ston4 screens

Verdict

The call

The clearest difference is review sentiment: KAMI 2 at 84% against ston's 35%. KAMI 2 also leads on rating (4.7 vs 4.3) and ratings volume (15K vs 128). ston's advantage is in-app purchases (none vs 7) and ads (none vs shown). On price 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. KAMI 2 sells 7 one-off in-app purchases. ston asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

KAMI 2 holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: KAMI 2 has 15K ratings behind it against 128, so its average is the more settled of the two. Written reviews point the same way: 84% of KAMI 2's written reviews are positive against 35% of ston's.

UpkeepUpdate frequency

KAMI 2 ships an update every 2 months, ston every 3 weeks. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

Scorecard8 real differences · 2 level
KAMI 2 versus ston: the parameters behind the verdict, then further details
ParameterKAMI 2ston
PriceFreeFree
Rating4.7 (15K ratings) — better4.3 (128 ratings)
Positive reviews83.8% of reviews — better35.3% of reviews
Number of ratings15K — better128
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size396 MB72 MB
Age rating4+4+
DeveloperState of Play GamesFlat Games

Customer experience

KAMI 2

All ratings15,013 ratings
Positive94.6%
Neutral2.2%
Negative3.2%
Written reviews1,867 reviews
Positive83.8%
Neutral4.8%
Negative11.4%

ston

All ratings128 ratings
Positive81.3%
Neutral7.0%
Negative11.7%
Written reviews102 reviews
Positive35.3%
Neutral14.7%
Negative50.0%

User reviews

KAMI 2

From 15K App Store ratings

What we love

  • 🌟 Beautiful visuals and soothing audio
  • 🧠 Challenging and brain-stimulating puzzles
  • 🔍 Ability to create and publish custom puzzles
  • 🕰️ Relaxing and calming gameplay experience

Room to improve

  • 💰 Excessive use of ads and in-app purchases for hints
  • 🐛 Connectivity issues and server problems
  • 🤯 Difficulty spike in later levels with no free hints
  • 📱 Compatibility issues on certain devices

ston

From 128 App Store ratings

What we love

  • 👍 Fun and enjoyable gameplay
  • 💡 Interesting concept
  • 👍 Nice design
  • 👍 Good for learning
  • 👍 Good customer care

Room to improve

  • ❌ Excessive advertisements
  • ❌ Ads interrupt gameplay
  • ❌ Ads are too long
  • ❌ Ads don't have a close button
  • ❌ Game crashes frequently

Bugs and requests

KAMI 2

Reported bugs

3 issues
  • Daily puzzles not loading or resetting incorrectly
  • User-created puzzles not saving or syncing properly
  • App freezing or crashing on certain devices

Requested features

4 requests
  • Earn free hints through gameplay achievements
  • Option to undo moves or restart puzzles
  • Improved puzzle search and discovery
  • Colorblind accessibility features

ston

Reported bugs

18 issues
  • Ads don't have a close button
  • Game crashes on startup
  • Game doesn't open
  • Slow movement
  • Level 74 freezes
Show 13 more
  • Level 73 has a bug
  • Level 34 is impossible
  • Game resets after update
  • Blocks are glitched on level 27
  • Settings don't work (music turns on spontaneously)
  • Level slider doesn't work
  • Game doesn't run on iPhone 6 iOS 10.2
  • Game doesn't react to touches after the first round
  • Graphics are not accurate
  • Some blocks look hollow
  • Cannot move up to adjacent blocks
  • Game makes noise even when on silent
  • Level 34 is mathematically impossible to clear

Requested features

12 requests
  • Add a timer for ads
  • Put ads on a cooldown
  • Add hints for difficult levels
  • Add a level editor
  • Add an online mode
Show 7 more
  • Add a save game feature for different devices
  • Add a 'move back one space' option
  • Add analog controls
  • Add a function to pan around the map
  • Add new levels
  • Fix the issue with the level slider not working
  • Add a feedback option to the developer

In-app purchases

7 purchases

KAMI 2

One-time7
  • 3 Hints$0.99
  • Special Palettes 1$0.99
  • Special Palettes 2$0.99
Show 4 more
  • Special Palettes 3$0.99
  • 10 Hints$1.99
  • 30 Hints$4.99
  • 75 Hints$9.99
None

ston

No in-app purchases

Questions

Is KAMI 2 free?
KAMI 2 is free to download, with in-app purchases available.
Is ston free?
ston is free to download, with no in-app purchases.
Which has better reviews, KAMI 2 or ston?
KAMI 2 is rated higher. KAMI 2 averages 4.7 out of 5 from 15K ratings, while ston averages 4.3 from 128 ratings.
Do KAMI 2 or ston have ads?
KAMI 2 shows ads; ston does not.
Which is updated more often, KAMI 2 or ston?
KAMI 2 ships an update every 2 months, and ston every 3 weeks. Most recently, KAMI 2 was updated on October 17, 2026 and ston on October 7, 2026.

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