# KAMI 2 vs ston

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.

Both are free to download. KAMI 2 sells 7 one-off in-app purchases. ston asks for nothing beyond the download.

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.

KAMI 2 ships an update every 2 months, ston every 3 weeks. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | KAMI 2 | ston |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (15K ratings)](https://appshunter.io/ios/app/kami-2/id1133161444/reviews)** | [4.3 (128 ratings)](https://appshunter.io/ios/app/ston/id1238293204/reviews) |
| Number of ratings | **15K** | 128 |
| Positive reviews | **83.8% of reviews** | 35.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 396 MB | 72 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [State of Play Games](https://appshunter.io/developer/494615574) | [Flat Games](https://appshunter.io/developer/1645533424) |

## What reviewers say

### KAMI 2

[App page](https://appshunter.io/ios/app/kami-2/id1133161444)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Hints | $0.99 | one-time |
| Special Palettes 1 | $0.99 | one-time |
| Special Palettes 2 | $0.99 | one-time |
| Special Palettes 3 | $0.99 | one-time |
| 10 Hints | $1.99 | one-time |
| 30 Hints | $4.99 | one-time |
| 75 Hints | $9.99 | one-time |

**What reviewers like**

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

**What reviewers complain about**

- 💰 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

**Reported bugs**

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

**Requested features**

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


### ston

[App page](https://appshunter.io/ios/app/ston/id1238293204)

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:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- Ads don't have a close button
- Game crashes on startup
- Game doesn't open
- Slow movement
- Level 74 freezes

**Requested features**

- Add a timer for ads
- Put ads on a cooldown
- Add hints for difficult levels
- Add a level editor
- Add an online mode


## Frequently asked 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 18, 2026 and ston on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*