Insect Cage vs Koi Feeder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Insect Cage
Experience the sounds of nature with this app, featuring four distinct insect soundscapes. Simply place your device in a room and enjoy the ambient insect songs. Note that the app requires the screen to be on and does not support background playback.
- Four insect sound types
- Ambient nature sounds
- Simple interface
- Relaxing soundscapes
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Insect cage is an app that hear the sound of insects. It contains 4 kinds of insects. Put your iPhone on the corner of your room, and enjoy the song of insects. ※ This App can not work in background. If you turn off the display of your device, the sounds will be stop.
Koi Feeder
Interact with digital koi by feeding them. Enjoy a simple, relaxing experience designed to be played with.
- Feed digital koi
- Interact with koi
- Relaxing gameplay
- Simple interface
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The application which gives food to koi. Won't you play with koi?
Screenshots
Verdict
The clearest difference is rating: Insect Cage at 3.9 against Koi Feeder's 3.0. Insect Cage also leads on ratings volume (9 vs 2). Koi Feeder's advantage is review sentiment (100% vs 60%) and in-app purchases (none vs 1). On price, update cadence, 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
Both are free to download. Insect Cage sells 1 one-off in-app purchase. Koi Feeder asks for nothing beyond the download.
Insect Cage holds the better App Store score, 3.9 against 3.0. Both are backed by a comparable volume of ratings — 9 and 2 respectively. Written reviews complicate that: 60% of Insect Cage's written reviews are positive against 100% of Koi Feeder's, so the app with the better star average is not the one people write more warmly about.
Insect Cage ships an update every 9 months, Koi Feeder every 19 months. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.
| Parameter | Insect Cage | Koi Feeder |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (9 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 60.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 9 — better | 2 |
| Update frequency | Every 9 months — better | Every 19 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | Tahito Aoki | kume toru |
Customer experience
Insect Cage
Koi Feeder
In-app purchases
Insect Cage
- Remove Ad$1.99
Koi Feeder
No in-app purchases
Questions
Is Insect Cage free?
Is Koi Feeder free?
Which has better reviews, Insect Cage or Koi Feeder?
Do Insect Cage or Koi Feeder have ads?
Which is updated more often, Insect Cage or Koi Feeder?
Other comparisons
