Genius Inc. vs Koi
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Genius Inc.
Nurture a growing population by upgrading your facility and unlocking new life phases. Raise babies to become geniuses and manage your community's development. This simulation game focuses on growth and advancement.
- Grow your population
- Upgrade your facility
- Unlock new life phases
- Raise babies to be geniuses
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-Grow your population! -Upgrade your facility! -Unlock new life phases! -Raise babies to be geniuses!
Koi
Control two fish simultaneously in this challenging reflex game. Dodge falling obstacles with precise timing across multiple game modes. Utilize a temporary invincibility power-up to survive longer and compete on global leaderboards.
- Control two fish simultaneously
- Three distinct game modes
- Temporary invincibility power-up
- Game Center leaderboards
- Simple tap controls
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Koi Rush is a reflex game built around a simple but brutal idea, control two fish at the same time. Your left thumb controls the white fish. Your right thumb controls the black fish. Obstacles fall, you dodge. One hit and it's over. Three Modes: -Solo — one fish, four lanes. The left side is dark, the right side is light. Your fish changes color as it crosses between them. Simple to learn, hard to master. -Classic — both fish dodge falling obstacles at the same time. Stay alive as long as you can. -Insane — the left side is flipped. Your white fish starts at the top while obstacles rise from below. Your brain will fight itself. Phase Meter: -Dodge enough obstacles and your phase meter fills up. Tap it to go invincible for a few seconds, use it wisely. Game Center Leaderboards: -Compete globally across all three modes. See how long you last against the world. Simple controls. No tutorials needed. Just tap and survive.
Screenshots
Verdict
The clearest difference is rating: Koi at 5.0 against Genius Inc.'s 3.6. Koi also leads on in-app purchases (none vs 6) and review sentiment (100% vs 67%). Genius Inc.'s advantage is ads (none vs shown) and ratings volume (8 vs 1). On price and update cadence 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. Genius Inc. sells 6 one-off in-app purchases. Koi asks for nothing beyond the download.
Koi holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Genius Inc. has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of Genius Inc.'s written reviews are positive against 100% of Koi's.
Genius Inc. ships an update every 8 days, Koi every 5 days. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.
| Parameter | Genius Inc. | Koi |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (8 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 — better | 1 |
| Update frequency | Every 8 days | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 179 MB | 15 MB |
| Age rating | 4+ | 9+ |
| Developer | UDO GAMES OYUN YAZILIM ANONIM SIRKETI | Mohamed Kaid |
Customer experience
Genius Inc.
Koi
In-app purchases
Genius Inc.
- Legendary Pack$0.99
- 100 Gem$1.99
- No Ads$2.99
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- Legendary Packs x5$2.99
- 300 Gem$3.99
- 1000 Gem$4.99
Koi
No in-app purchases
