Reefi: Aquarium Tracker
Water tests, dosing & AI coach
About
This app helps aquarium owners manage their tanks with smart tools for tracking water parameters, maintenance, and livestock health. It provides reminders, a dosing calculator, and an AI coach to ensure a healthy aquatic ecosystem.
What's New in Reefi
1.3.5
September 3, 2026
• Added an app walkthrough for new users • Prices and costs now show in your local currency automatically - and you can pick any currency yourself under Settings › Units. Amounts you've already entered stay exactly as you typed them; only the label changes. • You can now ask the AI coach 3 free questions (up from 1) - including if you've already used your free question. • Small fixes and stability improvements.
MoreSubscriptions & In-App Purchases
Reefi Pro Annual
Unlimited Tanks, Tasks, AI Coach & Analytics.
FAQ
What is Reefi?
Reefi is a lifestyle app designed to help aquarium owners manage their tanks. It offers tools for tracking water parameters, maintaining schedules, and monitoring livestock health, aiming to simplify aquarium care.
Does Reefi have ads?
Yes, Reefi contains advertisements. As a free app with in-app purchases, advertisements are part of its operational model.
What are the subscription options for Reefi Pro?
Reefi Pro offers weekly, monthly, and annual subscription plans. The weekly plan is $3.99/P7D with a 3-day free trial, the monthly plan is $9.99/P1M, and the annual plan is $79.99/P1Y with a 3-day free trial.
What devices does Reefi support?
Reefi is available on iPhone and iPad devices. It is designed for users who want to manage their aquariums on the go.
How often is Reefi updated?
The latest version of Reefi is 1.3.5, last updated on 2026-09-03. This indicates regular updates to improve functionality and address user needs.
What is the age rating for Reefi?
Reefi has an age rating of 4+. This means it is suitable for children aged 4 and older, with no mature content.
Can Reefi be used for both freshwater and saltwater aquariums?
Yes, Reefi supports both freshwater and saltwater aquariums. Its features are designed to cater to the diverse needs of different aquatic environments.
What makes Reefi's AI coach helpful?
The AI-powered aquarium coach in Reefi provides smart insights and guidance for maintaining healthier tanks. It helps users interpret data and make informed decisions about their aquarium's ecosystem.
