# AkoTao FishTank — Aquarium & Fish Care Tracker

> Aquarium & Fish Care Tracker (iPhone/iPad app by Tatsuo Oshiro.)

- Source: https://appshunter.io/ios/app/akotao-fishtank/id6785480287 (this page in markdown: same URL + `.md`)
- Developer: [Tatsuo Oshiro](https://appshunter.io/developer/1879281850)
- Category: Lifestyle, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 17 MB
- Languages: American English, Japanese
- Released: 2026-08-03
- Data updated: 2026-09-18
- User reviews in markdown: https://appshunter.io/ios/app/akotao-fishtank/id6785480287/reviews.md

## What is AkoTao FishTank?

AkoTao FishTank is an easy-to-use aquarium management app for freshwater and tropical fish keepers.

Keep track of your aquariums, fish, maintenance history, water parameters, and photos—all in one place.

Whether you’re a beginner or an experienced aquarist, AkoTao FishTank helps you stay organized and maintain a healthy aquarium.

Features

Aquarium Management

• Register multiple aquariums
• Record tank size and setup date
• Store aquarium photos

Maintenance Log

• Water changes
• Water parameters (pH, Temperature, NO₃, TDS)
• Filter cleaning
• Maintenance history

Fish Management

• Register your fish
• Record quantity and notes
• Track growth and observations

Tasks & Reminders

• Water change reminders
• Filter cleaning reminders
• Maintenance schedule
• Simple task management

Premium (One-Time Purchase)

Unlock Premium with a single purchase.

Premium includes:

• Unlimited aquariums
• Unlimited photo storage
• iCloud sync
• CSV export
• Future Premium features

No subscription required.

Free Version

• 1 aquarium
• Basic maintenance records
• Up to 10 photos

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| FishTank Premium | $5.99 | one-time |



## Version history (last 5 releases)

### 1.2.1 — 2026-09-07

What’s New in This Version
- Added the ability to set a start date for each aquarium
- Operating days are now calculated automatically from the start date
- Added “Glass Cleaning” and “Substrate Cleaning” to maintenance tasks
- Maintenance icons are now displayed on the calendar
- Improved the date selection experience
- Fixed minor issues and improved stability

### 1.2.0 — 2026-08-15

What’s New
Added purchase and expense tracking
Improved iCloud sync reliability for records and photos across devices
Added per-tank daily memos, photos, and maintenance records
Added an overview of memos and photos from all tanks
Growth events now appear on related dates, including spawning and hatching dates
Added “Copy All” and “Done” buttons for memo entry
Made additional usability and display improvements

### 1.1.0 — 2026-08-12

What’s New in Version 1.1.0
We’ve improved synchronization and usability to make AkoTao FishTank even more convenient.
Added aquarium switching below the HOME calendar
Added a configurable water-change interval from 1 to 14 days
Added drag-and-drop reordering for aquariums and tropical fish
Improved iCloud synchronization for fish data and app settings
Improved CloudKit conflict handling across multiple devices
Added “Birth (Livebearing)” to growth records
Improved date and notification-time selection
Added an Add Aquarium button at the top of the aquarium creation screen
Improved HOME alert evaluation
Improved memo input stability and overall usability
Fixed other minor issues

### 1.0.2 — 2026-08-11

“Fixed an issue where default water temperature, pH, and TDS values were displayed when no water quality records existed. Unrecorded values are now shown as “-”.”

### 1.0.1 — 2026-08-05

Version 1.0.1

* Added iCloud sync (CloudKit).
* Sync your aquarium data across your iPhone and iPad.
* Bug fixes and performance improvements.

## Apps similar to AkoTao FishTank

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Aquarium Log: Tank Care](https://appshunter.io/ios/app/aquarium-log-tank-care/id6794589006) | — | Free | Lifestyle |
| [AuraMotor](https://appshunter.io/ios/app/auramotor/id6801362434) | — | Free | Lifestyle |
| [PlantRx](https://appshunter.io/ios/app/plantrx/id6804495130) | 5.0 (2) | Free | Lifestyle |
| [TankDiary](https://appshunter.io/ios/app/tankdiary/id6762593557) | — | Free | Lifestyle |
| [Aquarium Care - TankMinder](https://appshunter.io/ios/app/aquarium-care-tankminder/id6778477412) | — | Free | Lifestyle |
| [AquaTrackr](https://appshunter.io/ios/app/aquatrackr/id6760959164) | — | Free | Lifestyle |

## More apps by Tatsuo Oshiro

- [AkoTao Cast](https://appshunter.io/ios/app/akotao-cast/id6759523670)
- [AkoTao LifeCounter](https://appshunter.io/ios/app/akotao-lifecounter/id6793505752)

All apps by Tatsuo Oshiro: https://appshunter.io/developer/1879281850

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*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 2026-09-18.*