# Reef Metrics — Reef Aquarium Tracker

> Reef Aquarium Tracker (iPhone/iPad app by Brett Sizeland.)

- Source: https://appshunter.io/ios/app/reef-metrics/id6758943121 (this page in markdown: same URL + `.md`)
- Developer: [Brett Sizeland](https://appshunter.io/developer/1875887549)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 32 MB
- Languages: American English
- Released: 2026-02-26
- Data updated: 2026-06-09
- User reviews in markdown: https://appshunter.io/ios/app/reef-metrics/id6758943121/reviews.md

## What is Reef Metrics?

Reef Metrics is the ultimate companion app for reef and saltwater aquarium hobbyists. Track your water parameters, monitor trends, and keep your tank thriving.

FEATURES

- Parameter Tracking - Log all your water test results including salinity, pH, alkalinity, calcium, magnesium, nitrate, phosphate, and more

- Trend Analysis - Visualize your parameters over time with easy-to-read charts and graphs

- Multiple Tanks - Manage multiple aquariums from a single account

- Test Reminders - Never miss a water test with customizable reminders

- Data Export - Export your data for backup or analysis

- Secure Cloud Sync - Your data is safely stored and synced across devices

Whether you're a beginner or an experienced reefer, Reef Metrics helps you maintain stable water chemistry and a healthy aquarium.

Start tracking your reef parameters today!

Terms of Use: https://reefmetrics.app/static/terms.html
Privacy Policy: https://reefmetrics.app/static/privacy.html

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Yearly Premium | $19.99 | per year |



## Version history (last 1 release)

### 1.0 — 2026-02-26

No release notes.

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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 2026-06-09.*