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Screenshots

  • Apex Fusion screenshot 1
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  • Apex Fusion screenshot 8

About Apex Fusion

The Apex is the world's most popular aquarium monitoring and control system.
From anywhere in the world, with your internet-connected Apex system and this app, you can:

- Monitor the health of your aquarium by observing current and past history of your Temperature, pH, ORP, Salinity and much more (depending on how your Apex System is equipped of course)

- Control the equipment on your aquarium - lights, pumps, heater, etc. Turn them off and on, adjust the lighting spectrum, change pump modes and many other functions.

- Observe your aquarium via connected IP web cams.

- Enter key water testing parameters such as Alkalinity, Calcium, Phosphates, etc.

- Enter notes about observations of your aquarium, maintenance, fish health, etc.

- Remotely feed your fish, right from your handheld device!

- Monitor and control more than one aquarium - either yours or friends.

- Get immediate notifications when something goes wrong in your aquarium (leaks, overheating, pH out of range, water level issues, etc.)

Requires:
Any Apex System (Apex Jr., Apex Classic, Apex Gold, or the new Apex System)
The Apex must be connected to the internet
An Apex Fusion account (Apex Fusion is our free, cloud-based service)

What’s new

Version 2.16.3 · Updated October 29, 2026

- Fix Issues with Account Sign Up. - New App Icon. - Miscellaneous Improvements.

User reviews

Michael Bowman
Michael Bowman
Easy to use
Mense Mense
Mense Mense
Great app works everytime. For any users having issues. Check you phone settings under apps and ensure to clear the cache. This helps for most Android apps. I didn't have that issue, but just throwing it out there. This app works, I give it 5 stars. Saved my tank a million times.
myron Truss
myron Truss
Good
Dre C
Dre C
Finally!!! I've recently updated my apex Jr firmware and now this app freakin' works! Now it's time to see what other modules I can add to my freshwater fish tank! I'm using a galaxy S8+ on Android version 9 Pie
Renardo Blackwell
Renardo Blackwell
Works as expected
paul Foxgrover
paul Foxgrover
A lotal life saver

Alternatives to Apex Fusion

Looking for apps like Apex Fusion? Here are 3 similar Android apps on Google Play. The highest rated is LunaSea (4.6/5), and all 3 are free to download.

Apex Fusion vs. alternatives
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Apex Fusion 3.8 / 5 Free 10,000+ Oct 29, 2026
PreVeil 4.2 / 5 Free 10,000+ Oct 26, 2026 Compare
LunaSea 4.6 / 5 Free 1,000+ Jan 22, 2021 Compare
mySolarEdge 4.3 / 5 Free 1,000,000+ Oct 21, 2026 Compare

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