LIGONG vs Reef Guard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LIGONG
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Reef Guard
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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/
Screenshots
Verdict
The clearest difference is in-app purchases: LIGONG at none against Reef Guard's 2. Reef Guard's advantage is update cadence (fortnightly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Reef Guard sells 2 in-app purchases, starting at $1.99 per month. LIGONG asks for nothing beyond the download.
LIGONG ships an update every 4 months, Reef Guard fortnightly. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.
| Parameter | LIGONG | Reef Guard |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 26 MB | 40 MB |
| Age rating | 17+ | 4+ |
| Developer | 宝婷 赵 | 宇 郭 |
In-app purchases
LIGONG
No in-app purchases
Reef Guard
- Reef Guard Pro Monthly$1.991 Month
- Reef Guard Pro Yearly$19.991 Year









