Kotoro vs InvaZium
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Kotoro
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.
- Color mixing puzzles
- 8 chapters with unique mechanics
- 96 challenging levels
- Atmospheric soundtrack
- Minimalist and dreamy visuals
- iCloud progress sync
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"The visuals in Kotoro are simply beautiful." - AppAdvice "Based on a simple but effective principle." - MacGeneration "Something different to do at every turn." - 148Apps Featured by Apple as one of the Best New Games Kotoro is the first atmospheric puzzle game about color mixing based on the rules we all learn as children. Your objective is simple: Become a certain color by mixing with others. - 8 Chapters, 96 puzzles: Each chapter explores a new idea such as subtraction, replication or time - No Ads. No In-App Purchases. - Atmospheric soundtrack powered by 7 talented musicians from around the world - Fully localized for French, Chinese, Japanese and Spanish - Sync your game progress with iCloud - Minimalist, dreamy and beautiful - Ambient and relaxing experience
InvaZium
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The planet EKC-567 is being invaded by colorful meteorites, but Korn-67, a small alien, is determined to protect his planet from the invaders. You have to shoot the invading meteorites ready to destroy the planet of Korn-67.
Screenshots
Verdict
The clearest difference is price: InvaZium at Free against Kotoro's $0.99. InvaZium also leads on update cadence (every 6 days vs every 6 weeks). On ads, in-app purchases, device support and iOS requirement 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
InvaZium is free to download; Kotoro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Kotoro ships an update every 6 weeks, InvaZium every 6 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.
| Parameter | Kotoro | InvaZium |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.7 (118 ratings) — better | — |
| Positive reviews | 90.6% of reviews | — |
| Number of ratings | 118 — better | — |
| Update frequency | Every 6 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 108 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Semidome Inc. | Daniel Canete Campos |
Bugs and requests
Kotoro
Reported bugs
4 issues- 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
10 requests- More levels and content
- Sound toggle/mute option
- Colorblind mode with textures or symbols
- Additive color (RGB) mixing levels
- On-demand tutorial system
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- Automatic progression to next level upon completion
- Visual feedback for level completion
- iOS 11+ and 64-bit app update
- Better chapter/progress indicators
- Increased spatial puzzle complexity
InvaZium
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Kotoro
No in-app purchases
InvaZium
No in-app purchases









