# Reef Guard — smart reef tank management

> smart reef tank management (iPhone/iPad app by 宇 郭.)

- Source: https://appshunter.io/ios/app/reef-guard/id6755100588 (this page in markdown: same URL + `.md`)
- Developer: [宇 郭](https://appshunter.io/developer/1851353253)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 13.0 · 40 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2025-11-17
- Data updated: 2026-09-12
- User reviews in markdown: https://appshunter.io/ios/app/reef-guard/id6755100588/reviews.md

## What is Reef Guard?

Reef Guard – Simplify Marine Tank Care

Take the stress out of marine aquarium management with Reef Guard, the all-in-one app designed to help hobbyists keep their tanks organized and thriving. Whether you have a small nano reef or a full-sized marine setup, this app focuses on the essentials: tank details, fish and coral tracking, equipment and supplies, and maintenance reminders.

Tank Management

Record and organize key information for your aquarium, including water volume, lighting, temperature, and setup notes. Keep a clear overview of each tank so you always know its status at a glance.

Fish & Coral Tracker

Log details for every fish, coral, or invertebrate. Track species, arrival dates, and care notes to maintain a complete record of your tank inhabitants. Build a digital overview of your reef community and monitor its growth and changes over time.

Equipment & Supplies

Manage all the gear that keeps your tank running smoothly. Log filters, pumps, lights, heaters, and other equipment, along with maintenance cycles and notes. Track consumables like test kits, salt, and filter media with stock levels and expiration dates, and set reminders so you never forget to restock or replace items.

 Maintenance & Reminders

Create custom schedules for daily, weekly, or monthly tasks. Set reminders for water changes, equipment cleaning, and other routine maintenance. Mark tasks as in progress or completed to stay organized and keep your tank in optimal condition.

 Features at a Glance

Manual logging for all tank data and inhabitants

Track multiple tanks and their setups

Detailed fish and coral profiles

Equipment and consumable management

Customizable maintenance schedules and reminders

Intuitive, clean, and easy-to-use interface

Stop relying on memory or scattered notes. Reef Guard keeps your marine tank organized, making it easier to provide consistent care for your fish and corals. Spend less time managing tasks and more time enjoying the beauty of your underwater world.

Download Reef Guard today and simplify your marine aquarium care!

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

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Reef Guard Pro Yearly | $19.99 | per year |
| Reef Guard Pro Monthly | $1.99 | per month |



## Version history (last 5 releases)

### 1.1.0 — 2026-09-05

1.Added a virtual aquarium that displays fish by species and actual size  
2.Added landscape feeding and shareable video recording  
3.Added fish avatar selection and management  
4.Added Premium AI reef analysis with risk insights and recommended next steps based on water, maintenance, and livestock records  
5.Improved the tank dashboard, maintenance history, and water-quality experience

### 1.0.8 — 2026-03-29

Added fish growth tracking
Take photos directly for equipment, corals, and fish
Manually add time for maintenance tasks
Set custom water change cycles
Marine aquarium database is here! (Continuously expanding)

### 1.0.7 — 2026-01-27

1.Fixed KH and pH value display in charts
2.Added days since fish introduction
3.New coral detail page – coral growth records are here!

### 1.0.6 — 2025-12-09

What’s New

Fixed an issue with incorrect push notification display.
You can now delete maintenance records.
Improved the maintenance setup experience with intuitive plus/minus controls.
Added more data insights to the home screen.
Enhanced the dashboard with richer information and direct water quality input.
Optimized various UI details for a smoother user experience.

### 1.0.5 — 2025-12-02

1. Fix subscription bug
2. optimize the UI

## Apps similar to Reef Guard

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Dipper水族系统](https://appshunter.io/ios/app/dipper/id6670388006) | — | Free | Utilities |
| [海水驿站 - 教你养海水鱼珊瑚](https://appshunter.io/ios/app/id922497742) | 5.0 (3) | Free | Utilities |
| [海友之家](https://appshunter.io/ios/app/id6737581778) | — | Free | Utilities |
| [Aquarium Master](https://appshunter.io/ios/app/aquarium-master/id6723864411) | — | Free | Utilities |
| [Aquawiz](https://appshunter.io/ios/app/aquawiz/id6739469479) | 4.0 (1) | Free | Utilities |
| [Simalai](https://appshunter.io/ios/app/simalai/id994853061) | — | Free | Utilities |

## Related topics

[reef tank guides](https://appshunter.io/ios/topics/reef-tank-guides) · [bulk reef supply](https://appshunter.io/ios/topics/bulk-reef-supply) · [reef breeders](https://appshunter.io/ios/topics/reef-breeders)

---

*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 2026-09-12.*