# KoiApp — Koi care, growth & market

> Koi care, growth & market (iPhone/iPad app by Kai Bertelsen.)

- Source: https://appshunter.io/ios/app/koiapp/id6779963592 (this page in markdown: same URL + `.md`)
- Developer: [Kai Bertelsen](https://appshunter.io/developer/6779963594)
- Category: Lifestyle, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 24 MB
- Languages: American English
- Released: 2026-06-27
- Data updated: 2026-07-18
- User reviews in markdown: https://appshunter.io/ios/app/koiapp/id6779963592/reviews.md

## What is KoiApp?

KoiSoft is the complete app for koi keepers — track every fish, manage your pond, and showcase your collection with beautiful studio ID cards.

Built for hobbyists and breeders alike, KoiSoft brings your whole koi life into one place.

• Studio ID cards — turn ordinary photos into stunning AI-generated studio portraits, each with its own digital certificate
• Growth tracking — log length and weight over time and follow every koi's growth curve
• Pond & fish management — organise multiple ponds, varieties and collections
• Feeding & water — keep a feeding schedule and a full water-quality history
• KoiDoctor — guidance on koi health and common issues
• Marketplace — discover koi for sale from breeders, or list your own
• Smart hardware — connect KoiBox & KoiPlugg devices to monitor and control your pond

Free to start. Upgrade to Premium for unlimited logging, 20 studio images per month, multi-device control and more.

Terms of Use (EULA): https://koisoft.eu/terms
Privacy Policy: https://koisoft.eu/privacy

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| KoiSoft Premium | $4.99 | per month |
| KoiSoft Premium | $49.99 | per year |
| Extra storage | $7.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Studio images ×20 | $9.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-06-27

No release notes.

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-18.*