AquaStable

Lifestyle

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

AquaStable helps you track and manage the water quality of your freshwater and saltwater aquariums with ease. ■ Features - Log water parameters with real-time charts (pH, temperature, NO₂, NO₃, GH, KH, Ca, Mg, salinity, chlorine, plus your own custom parameters) - Scan test strips with your camera for automatic readings (supports Tetra 6-in-1 / 5-in-1) - Calculators for water changes, dosing, specific gravity, and tank volume - A dashboard with recommended-range bars and trend indicators to see your tank's status at a glance - Manage and switch between multiple tanks - Available in English and Japanese ■ AquaStable Pro (subscription) - Unlimited tanks - Unlimited water test logs - Custom parameters - KH / Ca / specific gravity calculators - Data backup & restore Subscriptions are available monthly or yearly and can be cancelled anytime. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & Reviews

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- Fixed a bug where the app could become unresponsive when opening the dashboard, most likely to happen with several parameters enabled. Also made backup restore faster for larger amounts of data.

Version 1.5.5

The developer, GENTARO KIMURA, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Purchases
    • Identifiers

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
GENTARO KIMURA
Size
68.2 MB
Category
Lifestyle
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
Japanese
Age Rating
4+
In-App Purchases
Yes
  • AquaStable Pro (Yearly) $9.99
  • AquaStable Pro (Monthly) $0.99
  • Learn More
Copyright
© 2026 Gentian Works
  • Privacy Policy