# reefAZ

> reefAZ (iPhone/iPad app by Ryan Trung.)

- Source: https://appshunter.io/ios/app/reefaz/id6801448514 (this page in markdown: same URL + `.md`)
- Developer: [Ryan Trung](https://appshunter.io/developer/6801448516)
- Category: Utilities, Lifestyle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.4 · 186 MB
- Languages: American English
- Released: 2026-09-15
- Data updated: 2026-10-07

## What is reefAZ?

Smart Marine Aquarium Management.
Note: A Premium subscription is required to access the features of this app.
REEFAZ - The #1 Assistant for Reef Aquarium Enthusiasts.

Keeping a reef aquarium is a hobby that demands absolute precision. REEFAZ is designed to make managing complex coral reef ecosystems extremely simple, intuitive, and safe - right from your phone.

KEY FEATURES:

. Water Parameter Tracking
Log and analyze the history of critical water parameters including Salinity, Temperature, Calcium (Ca), Magnesium (Mg), Alkalinity (kH), Nitrate (NO3), and Phosphate (PO4). Visual charts help you detect fluctuations early and prevent risks.

. Dosing & Mixing Calculators
- Dosing: Automatically calculates the exact amount of additives needed to balance Ca, Mg, and kH - accurate down to the milliliter.
- Salt Mix: Calculates the precise amount of salt required when performing water changes to reach your target salinity.
- Powder Mix: Helps calculate the correct mixing ratios for powdered chemicals.

. Knowledge Base & Equipment Guide
In-depth guides on setting up and using advanced equipment such as:
- Lighting & Wavemaker
- Protein Skimmer
- Calcium Reactor & Algae Reactor
- New tank cycling guides and algae control methods.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| ReefAZ Premium | $0.99 | per month |
| ReefAZ Premium | $13.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| ReefAZ Premium | $29.99 | one-time |


## Is reefAZ safe?

Not enough ratings yet to assess reefAZ.

## Is reefAZ legit?

reefAZ has limited verification signals. The AppsHunter Legitimacy Score for reefAZ is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 3 releases)

### 1.0.37 — 2026-10-03

Remove user , login information 
Adding Note to inform user backup data

### 1.0.35 — 2026-10-01

Update some features that require a subscription and fix some bugs in the lighting adjustment guide.

### 1.0.28 — 2026-09-15

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 2026-10-07.*