# Hanna Pool vs KoiAi

The clearest difference is in-app purchases: Hanna Pool at none against KoiAi's 1. Hanna Pool also leads on iOS requirement (15.0 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. KoiAi sells 1 in-app purchase, starting at $2.99 per month. Hanna Pool asks for nothing beyond the download.

## The numbers

| Metric | Hanna Pool | KoiAi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/koiai/id6749480399/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 8 MB | 4 MB |
| Requires iOS | **15.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hanna Instruments, Inc.](https://appshunter.io/developer/913755816) | [Geeksdobyte](https://appshunter.io/developer/1795589439) |

## What reviewers say

### Hanna Pool

[App page](https://appshunter.io/ios/app/hanna-pool/id6670401856)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Hanna Pool free?

Hanna Pool is free to download, with no in-app purchases.

### Is KoiAi free?

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

### Do Hanna Pool or KoiAi have ads?

Neither Hanna Pool nor KoiAi shows ads.

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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.*