# KoiAi vs Koi Worth

The clearest difference is update cadence: KoiAi at every 2 weeks against Koi Worth's every 5 weeks. Koi Worth's advantage is iOS requirement (13.0 vs 18.4). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. KoiAi sells 1 in-app purchase, starting at $2.99 per month and Koi Worth sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for KoiAi against 5.0 for Koi Worth. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

KoiAi ships an update every 2 weeks, Koi Worth every 5 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | KoiAi | Koi Worth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/koiai/id6749480399/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/koi-worth/id6758781822/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 4 MB | 12 MB |
| Requires iOS | 18.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Geeksdobyte](https://appshunter.io/developer/1795589439) | [Scott Hause](https://appshunter.io/developer/1521582010) |

## What reviewers say

### KoiAi

[App page](https://appshunter.io/ios/app/koiai/id6749480399)

Manage your koi pond with this comprehensive app. Track water quality, koi health, and expenses. Utilize AI-powered troubleshooting and photo analysis for expert guidance and early disease detection.

**Highlights:** Daily pond logging, Koi profile management, Expense tracking, Smart analytics, AI-powered troubleshooting, Photo illness detection, Expert guidance

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |


### Koi Worth

[App page](https://appshunter.io/ios/app/koi-worth/id6758781822)

This app uses AI to analyze and grade koi fish from photos, providing insights into their body shape, color, pattern, and growth potential. It also estimates market value, identifies potential investments, and helps users track their koi collections.

**Highlights:** AI koi grading (body shape, color, pattern, growth), Real market value estimates, 5K Sleeper analysis for investment potential, Dealer price insights, Compare multiple koi, Track koi collection and development, Development forecasts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hobby Plan | $6.99 | per month |
| Collector Plan | $14.99 | per month |
| MASTER | $29.99 | per month |


## Frequently asked questions

### Is KoiAi free?

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

### Is Koi Worth free?

Koi Worth is free to download, with in-app purchases available.

### Which has better reviews, KoiAi or Koi Worth?

KoiAi and Koi Worth are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do KoiAi or Koi Worth have ads?

Neither KoiAi nor Koi Worth shows ads.

### Which is updated more often, KoiAi or Koi Worth?

KoiAi ships an update every 2 weeks, and Koi Worth every 5 weeks. Most recently, KoiAi was updated on October 28, 2026 and Koi Worth on October 31, 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.*