# KAMI vs Zerko

The clearest difference is in-app purchases: Zerko at none against KAMI's 6. Zerko also leads on review sentiment (93% vs 84%). KAMI's advantage is ratings volume (512 vs 14) and iOS requirement (6.0 vs 12.0). On price, rating, update cadence and ads there is nothing between them.

KAMI costs $2.99 and Zerko $2.99 up front. KAMI sells 6 one-off in-app purchases. Zerko asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for KAMI against 4.9 for Zerko. That said, the two scores are not equally well evidenced: KAMI has 512 ratings behind it against 14, so its average is the more settled of the two. Written reviews are what separate them: 84% of KAMI's written reviews are positive against 93% of Zerko's.

KAMI ships an update fortnightly, Zerko every 3 weeks. The most recent releases landed on September 29, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | KAMI | Zerko |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | [4.8 (512 ratings)](https://appshunter.io/ios/app/kami/id710724007/reviews) | **[4.9 (14 ratings)](https://appshunter.io/ios/app/zerko/id6470181559/reviews)** |
| Number of ratings | **512** | 14 |
| Positive reviews | 83.8% of reviews | **93.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 63 MB | 100 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [State of Play Games](https://appshunter.io/developer/494615574) | [Maciej Targoni](https://appshunter.io/developer/495165602) |

## What reviewers say

### KAMI

[App page](https://appshunter.io/ios/app/kami/id710724007)

A beautiful and relaxing puzzle game where you fold colored paper to fill the screen. It offers a handcrafted Japanese aesthetic and a calming soundtrack. The game challenges you to solve puzzles in as few moves as possible.

**Highlights:** Fold colored paper to fill screen, Minimal move puzzles, Handcrafted Japanese aesthetic, 72 unique puzzles, Calming soundtrack, Relaxing gameplay

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pack: 5 Color Retro | $0.99 | one-time |
| Premium Pack: Noughts & Crosseyes | $0.99 | one-time |
| Pack of 5 Hint Credits | $0.99 | one-time |
| Premium Pack: Convolution | $0.99 | one-time |
| Pack of 15 Hint Credits | $1.99 | one-time |
| Unlimited hints | $3.99 | one-time |

**What reviewers like**

- 👍 Fun, unique, and challenging
- 👍 Aesthetically pleasing
- 👍 Relaxing and meditative
- 👍 Thought-provoking puzzles
- 👍 Great value for money

**What reviewers complain about**

- 🐛 Bugs and crashes
- 🔒 Limited free content, requires in-app purchases
- 🔒 Expensive in-app purchases for hints and extra levels
- 🔒 Not optimized for larger screens
- 🔒 Repetitive puzzles

**Reported bugs**

- Crashes on iOS 8.1.3 / iPhone 6 Plus
- Bottom half of screen is black on iPad Air
- Achievements not working properly
- Saves and progress being lost

**Requested features**

- Add more free levels
- Improve hint system
- Add color blind mode
- Sync progress across devices
- Add more variety to puzzles


### Zerko

[App page](https://appshunter.io/ios/app/zerko/id6470181559)

A relaxing puzzle game where you strategically place blocks to make all numbers on the board equal zero. Enjoy a no-pressure experience with calming audio and no in-app purchases or ads.

**Highlights:** Zero-sum number puzzles, Strategic block placement, Relaxing gameplay, No time pressure, No in-app purchases, No ads

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is KAMI free?

KAMI costs $2.99, and also offers in-app purchases.

### Is Zerko free?

Zerko costs $2.99, with no in-app purchases.

### Which has better reviews, KAMI or Zerko?

Zerko is rated higher. KAMI averages 4.8 out of 5 from 512 ratings, while Zerko averages 4.9 from 14 ratings.

### Do KAMI or Zerko have ads?

Neither KAMI nor Zerko shows ads.

### Which is updated more often, KAMI or Zerko?

KAMI ships an update fortnightly, and Zerko every 3 weeks. Most recently, KAMI was updated on September 29, 2026 and Zerko on September 11, 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.*