# Kotoro vs Polyx 2D

The clearest difference is price: Polyx 2D at Free against Kotoro's $0.99. Polyx 2D also leads on update cadence (every 3 days vs every 6 weeks) and rating (5.0 vs 4.7). Kotoro's advantage is ratings volume (118 vs 2) and iOS requirement (13.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Polyx 2D is free to download; Kotoro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Polyx 2D holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Kotoro has 118 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 91% of Kotoro's written reviews are positive against 100% of Polyx 2D's.

Kotoro ships an update every 6 weeks, Polyx 2D every 3 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Kotoro | Polyx 2D |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.7 (118 ratings)](https://appshunter.io/ios/app/kotoro/id779855682/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/polyx-2d-falling-blocks/id6810485023/reviews)** |
| Number of ratings | **118** | 2 |
| Positive reviews | 90.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Paid | **Free** |
| Size | 108 MB | 73 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Semidome Inc.](https://appshunter.io/developer/779855685) | [Skippy Skipmo LLC](https://appshunter.io/developer/1875578496) |

## What reviewers say

### Kotoro

[App page](https://appshunter.io/ios/app/kotoro/id779855682)

An atmospheric puzzle game where you mix colors to achieve target hues. Explore 8 chapters and 96 unique challenges based on fundamental color theory principles. Enjoy a relaxing experience with a beautiful soundtrack and minimalist design.

**Highlights:** Color mixing puzzles, 8 chapters with unique mechanics, 96 challenging levels, Atmospheric soundtrack, Minimalist and dreamy visuals, iCloud progress sync

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

**In-app purchases:** none

**What reviewers like**

- 🎨 Beautiful, minimalist visual design
- 🎵 Excellent, soothing soundtrack
- 🧩 Clever, original puzzle mechanics
- 🎯 Easy to learn, difficult to master
- 😌 Relaxing and calming gameplay experience

**What reviewers complain about**

- 🔊 No option to turn off sound/music
- 🎨 Poor color choices for colorblind players
- 📱 iPhone audio issues (music doesn't play)
- ⏱️ Limited content (only 72 levels)
- 🐛 Game crashes and glitches

**Reported bugs**

- Music doesn't play on iPhone (works on iPad)
- App crashes frequently
- Incompatible with iOS 11 and newer (32-bit limitation)
- App compatibility warning on newer iOS versions

**Requested features**

- More levels and content
- Sound toggle/mute option
- Colorblind mode with textures or symbols
- Additive color (RGB) mixing levels
- On-demand tutorial system


### Polyx 2D

[App page](https://appshunter.io/ios/app/polyx-2d-falling-blocks/id6810485023)

A classic falling block puzzle game with 35 unique shapes and 18 challenging levels. Compete solo or challenge friends in real-time online battles with customizable controls and visual styles. Unlock achievements and climb leaderboards.

**Highlights:** 35 unique shapes, 18 challenging levels, Real-time online battles, Game Center leaderboards, Unlockable achievements, Customizable controls and visual styles

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

**In-app purchases:** none


## Frequently asked questions

### Is Kotoro free?

Kotoro costs $0.99, with no in-app purchases.

### Is Polyx 2D free?

Polyx 2D is free to download, with no in-app purchases.

### Which has better reviews, Kotoro or Polyx 2D?

Polyx 2D is rated higher. Kotoro averages 4.7 out of 5 from 118 ratings, while Polyx 2D averages 5.0 from 2 ratings.

### Do Kotoro or Polyx 2D have ads?

Neither Kotoro nor Polyx 2D shows ads.

### Which is updated more often, Kotoro or Polyx 2D?

Kotoro ships an update every 6 weeks, and Polyx 2D every 3 days. Most recently, Kotoro was updated on October 8, 2026 and Polyx 2D 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.*