# Koi Feeder vs Affirmation Queen

The clearest difference is update cadence: Affirmation Queen at monthly against Koi Feeder's every 19 months. Koi Feeder's advantage is iOS requirement (12.0 vs 17.6). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Koi Feeder ships an update every 19 months, Affirmation Queen monthly. The most recent releases landed on June 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Koi Feeder | Affirmation Queen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/koi-feeder/id1325380896/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 19 months | **Monthly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 67 MB | 21 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kume toru](https://appshunter.io/developer/731695033) | [takeshi ogawa](https://appshunter.io/developer/1676749157) |

## What reviewers say

### 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


### Affirmation Queen

[App page](https://appshunter.io/ios/app/affirmation-queen/id6744553253)

Receive unconditional praise and compliments from a supportive character designed to lift your spirits. This app offers warm, encouraging words to boost your confidence and brighten your day, no matter your circumstances.

**Highlights:** Unconditional praise, Supportive character, Confidence boosting, Encouraging words, Mood enhancement

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

**In-app purchases:** none


## Frequently asked questions

### Is Koi Feeder free?

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

### Is Affirmation Queen free?

Affirmation Queen is free to download, with no in-app purchases.

### Do Koi Feeder or Affirmation Queen have ads?

Both Koi Feeder and Affirmation Queen show ads.

### Which is updated more often, Koi Feeder or Affirmation Queen?

Koi Feeder ships an update every 19 months, and Affirmation Queen monthly. Most recently, Koi Feeder was updated on June 5, 2026 and Affirmation Queen on September 10, 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.*