Comparison

SwarmFlow vs Koi Keeping

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SwarmFlow

Features
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SwarmFlow is a meditative fish swarm simulation, born from a moment at the beach in Mauritius. Watch the swarm move, touch the water, and experience the quiet fascination of collective life. Free Features: - Interactive fish swarm with realistic flocking behavior - Tap the screen and watch the flight reaction - Drag the food source to guide the swarm - Adjust swarm size and behavior Premium Features (one-time purchase): - Up to 150 fish for impressive swarms - 5 color themes: Deep Sea, Night, Coral, Ocean, and Beach - Current simulation: Tilt your iPhone and watch fish swim with or against the flow - AI-generated meditative soundscapes - Screensaver mode as a digital aquarium - Speed control to find your perfect pace - Subtle food sources with soft shadows for an even more harmonious experience No competition. No scores. Just the simple beauty of a swarm responding to your touch.

About

Koi Keeping

Features
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Koi Keeping biến iPhone/iPad của bạn thành một hồ cá koi nhìn từ trên xuống — nơi để thở chậm lại. • 15 dòng koi với hoa văn riêng, bơi tự nhiên có chiều sâu, bóng đổ và gợn sóng. • 4 "Cảnh Thiền" dựng sẵn: Bình Minh, Mưa Thiền, Đêm Tĩnh, Gió Thu. • 13 phông nền, hoa lá rụng, thời tiết, ngày/đêm, âm cảnh thiên nhiên, hẹn giờ tắt. • Chạm để tạo gợn sóng và cho cá ăn; chạm đôi vào cá để xem tên dòng koi. Hoàn toàn offline — không tài khoản, không quảng cáo, không thu thập dữ liệu.

Screenshots

SwarmFlow4 screens
Koi Keeping3 screens

Verdict

The call

The clearest difference is in-app purchases: Koi Keeping at none against SwarmFlow's 1. SwarmFlow's advantage is iOS requirement (15.0 vs 17.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SwarmFlow sells 1 one-off in-app purchase. Koi Keeping asks for nothing beyond the download.

Scorecard2 real differences · 4 level
SwarmFlow versus Koi Keeping: the parameters behind the verdict, then further details
ParameterSwarmFlowKoi Keeping
PriceFreeFree
Update frequencyWeekly—
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size8 MB98 MB
Age rating9+4+
DeveloperOliver LievenNguyen Dinh Phat

In-app purchases

1 purchases

SwarmFlow

One-time1
  • SwarmFlow Premium$1.99
None

Koi Keeping

No in-app purchases

Questions

Is SwarmFlow free?
SwarmFlow is free to download, with in-app purchases available.
Is Koi Keeping free?
Koi Keeping is free to download, with no in-app purchases.
Do SwarmFlow or Koi Keeping have ads?
Neither SwarmFlow nor Koi Keeping shows ads.

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