# Insect Cage vs Koi Feeder

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.

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.

## The numbers

| Metric | Insect Cage | Koi Feeder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (9 ratings)](https://appshunter.io/ios/app/insect-cage/id390080899/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/koi-feeder/id1325380896/reviews) |
| Number of ratings | **9** | 2 |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 9 months** | Every 19 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 9 MB | 67 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tahito Aoki](https://appshunter.io/developer/289946976) | [kume toru](https://appshunter.io/developer/731695033) |

## What reviewers say

### Insect Cage

[App page](https://appshunter.io/ios/app/insect-cage/id390080899)

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.

**Highlights:** Four insect sound types, Ambient nature sounds, Simple interface, Relaxing soundscapes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad | $1.99 | one-time |


### Koi Feeder

[App page](https://appshunter.io/ios/app/koi-feeder/id1325380896)

Interact with digital koi by feeding them. Enjoy a simple, relaxing experience designed to be played with.

**Highlights:** Feed digital koi, Interact with koi, Relaxing gameplay, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Insect Cage free?

Insect Cage is free to download, with in-app purchases available.

### Is Koi Feeder free?

Koi Feeder is free to download, with no in-app purchases.

### Which has better reviews, Insect Cage or Koi Feeder?

Insect Cage is rated higher. Insect Cage averages 3.9 out of 5 from 9 ratings, while Koi Feeder averages 3.0 from 2 ratings.

### Do Insect Cage or Koi Feeder have ads?

Both Insect Cage and Koi Feeder show ads.

### Which is updated more often, Insect Cage or Koi Feeder?

Insect Cage ships an update every 9 months, and Koi Feeder every 19 months. Most recently, Insect Cage was updated on October 9, 2026 and Koi Feeder on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*