Reef.IO vs Koi Fish 2
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Reef.IO
Collect all the fish in sight and outmaneuver your opponents to become the king of the reef. This game offers an addictive experience focused on strategic collection and competitive play.
- Collect all fish
- School opponents
- Become king of the reef
- Addictive gameplay
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Most addictive game ever! Collect all of the fish in sight and school your enemies! Can you be the king of the reef?
Koi Fish 2
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Koi Fish 2 is 3D Realistic Koi collecting application. *** Features *** * 20+ Koi Fish. * Cross-Breeding to get a new Koi. *** Tutorial Clean your pond, and you will get first koi. Feed your koi. and get second koi. Try Cross-breeding to get a new Koi. Keep pond clean,and sometimes feed them again. Try Cross-breeding to get all koi !!
Screenshots
Verdict
The clearest difference is iOS requirement: Reef.IO at 9.0 against Koi Fish 2's 12.0. On price, ads, in-app purchases and device support 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.
| Parameter | Reef.IO | Koi Fish 2 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (4 ratings) — better | — |
| Number of ratings | 4 — better | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 74 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Leaked Productions LLC | Coremedia,inc |
In-app purchases
Reef.IO
No in-app purchases
Koi Fish 2
No in-app purchases









