Marimo vs Crush9×9
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Marimo
Nurture a virtual creature by keeping its environment clean and interacting with it. Increase its intimacy through tapping to encourage faster growth. Be mindful that deleting the app will erase your progress.
- Virtual marimo creature care
- Water changing mechanic
- Intimacy system via tapping
- Growth progression
- Data deletion warning
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Let's grow the healing creature "Marimo"! You who discovered a rare "marimo" floating on the water. Please take good care of it and grow it big! * How to play If you leave the water dirty, Marimo will die. Let's change the water! Tap Marimo to increase the intimacy of Marimo. The higher the intimacy, the faster the marimo grows. * Caution Please note that if you delete the app, the play data will also be deleted.
Crush9×9
A quick brain training game that sharpens your mind in just 5 minutes a day. Solve multiplication problems by tapping the correct numbers to form equations. Suitable for all ages, it's a fun way to exercise your brain.
- Multiplication puzzle solving
- Quick daily brain training
- Simple tap controls
- Suitable for all ages
- Short play sessions
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九九計算を駆使して衝突を回避せよ! 1日5分で頭が良くなる爽快脳トレゲームです。 □×□=48 Q.□に入る2つの数字はどれ? 遊び方はとっても簡単! 九九を成立させる2つの数字をタップするだけ。 子供から大人までお楽しみ頂けます。 毎日少しの時間でも頭の体操をしましょう!
Screenshots
Verdict
The clearest difference is update cadence: Crush9×9 at every 6 weeks against Marimo's every 41 months. Marimo's advantage is iOS requirement (8.0 vs 11.0). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Marimo ships an update every 41 months, Crush9×9 every 6 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Marimo | Crush9×9 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 2 — better |
| Update frequency | Every 41 months | Every 6 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 19 MB | 109 MB |
| Age rating | 4+ | 4+ |
| Developer | HAREPPO | ZERONE |
Customer experience
Marimo
Crush9×9
In-app purchases
Marimo
No in-app purchases
Crush9×9
No in-app purchases









