Comparison

Mobius vs ReefMate

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mobius

This app provides intelligent control for aquarium equipment, simplifying management of multiple tanks. Create custom scenes, schedules, and access quick status updates to maintain your aquatic environment with ease.

Highlights
  • Manage multiple tanks
  • Create custom scenes
  • Drag-and-drop scheduling
  • Lighting control with templates
  • Flow control for pumps
  • Dosing automation and tracking
Features
Read full description

Mobius® is an innovative control platform for your EcoTech Marine products. A core rethinking of how products connect and function make Mobius one of the simplest and smartest control apps you'll ever use. Manage multiple tanks and get quick status updates from dashboard widgets. Easily create Scenes that are accessible to run from the dashboard. Scenes make repetitive tasks as simple as tapping a button. Creating schedules is a snap with Mobius's drag and drop interface. DASHBOARD - Run and create custom scenes using your equipment to make repetitive tasks easy. - Configure and organize your widgets so you can stay current with what is happening in your tank. - Quick access to your devices. LIGHTING - The lighting control interface makes creating a schedule easier than ever. - Proven templates make sure your tank gets off to a great start! - Use our coral acclimation mode to welcome your new livestock. - Save & share your customized templates. FLOW - Use our easy schedule editing interface to customize your Vectra & VorTech schedule. - Utilize all of our great pump modes like ReefCrest, Lagoon and Tidal Swell. - Initiate Feed mode to reduce the aquarium flow for spot-feeding. - Easily calibrate your Vectra with our simple walkthrough. DOSING - Auto Mode: Tell us the additive you're dosing and how much, we'll take care of when based on proven best practices. - Manual Mode: You're in control. Specify dosage and duration or rate. - Continuous Mode: Set a dosing rate, and your Versa will dose as long as it has power. - Easy Calibration - Keep track of how much additive is left in the containers, so you don't run out. - Need a one-time dose? Use Instant Dose to dose your tank quickly.

About

ReefMate

Features
Read full description

ReefMate is a reef and saltwater aquarium manager. Log tests, track water parameters and stay on top of maintenance so your tank stays stable. Set up your tank in minutes, log a water test or water change in seconds, and get clear insights, reminders and calculators in one clean app. Your tank data stays on your device. KEY FEATURES Guided Setup - Tell ReefMate your tank type, size and routine. It suggests parameter targets and a care schedule, and you can edit everything later. Home Dashboard & Quick Log - See today's tasks, a tank snapshot and a stability score at a glance. - Log a water test, water change or maintenance in seconds. Water Parameters Tracker - Track temperature, salinity, alkalinity (KH), calcium, magnesium, nitrate, phosphate and pH. - Range indicators show when a reading is in range or drifting outside it. - Charts and trends for day, week, month, 90-day and all-time views. - Set your own targets for each parameter. Tanks & Livestock - Create unlimited tanks, each with its own parameters and livestock. - Add fish, corals and invertebrates with photos and notes. - A per-tank timeline of water changes, maintenance and events. Reminders & Notifications - Stay consistent with water changes, KH checks, feedings, filter cleaning and more. - Custom reminders with repeat schedules and notifications. Smart Calculators & Costs - Tank volume, live rock, sand, flow rate, temperature and salinity (salt mix) calculators. - Expenses & Loss Tracking to monitor livestock costs, losses and long-term impact. Reef & Livestock Guide - 120+ species profiles across fish, corals and invertebrates. - Fish guides: Clownfish, Tangs, Angelfish, Gobies, Wrasses, Blennies and more. - Coral guides: SPS, LPS and soft corals such as Acropora, Montipora, Euphyllia, Zoanthids and Mushrooms. - Invertebrates: shrimp, crabs, snails, starfish and urchins. - Care tips, compatibility notes and lighting or flow preferences for each species. WHY REEFMATE? - Designed for iPhone and iPad, with light and dark appearance. - Your tank data stays on your device. - Helpful for beginners and experienced reefers alike. - Built by reef hobbyists, for reef hobbyists. SUBSCRIPTION INFORMATION ReefMate is a subscription app: an active subscription is required to use it. Plans: Monthly and Annual. Available plans, prices and any free-trial offer are shown in the app before you subscribe; trial length and eligibility may vary by plan. - Payment is charged to your Apple ID account at confirmation of purchase or, if a free trial is offered, when the trial ends. - Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the end of the current period. - Manage or cancel anytime in your Apple ID account settings (Settings > your name > Subscriptions). Any unused portion of a free trial is forfeited when you purchase a subscription. Privacy Policy: https://emkapps.com/reefmate-privacy-policy/ Terms & Conditions: https://emkapps.com/reefmate-termsconditions/ Apple Standard End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Mobius4 screens
ReefMate4 screens

Verdict

The call

The clearest difference is in-app purchases: Mobius at none against ReefMate's 2. Mobius also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ReefMate sells 2 in-app purchases, starting at $4.99 per month. Mobius asks for nothing beyond the download.

UpkeepUpdate frequency

Mobius ships an update every 2 months, ReefMate every 5 weeks. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

Scorecard2 real differences · 8 level
Mobius versus ReefMate: the parameters behind the verdict, then further details
ParameterMobiusReefMate
PriceFreeFree
Rating2.0 (331 ratings) — better—
Positive reviews26.1% of reviews—
Number of ratings331 — better—
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size95 MB133 MB
Age rating4+4+
DeveloperC2 Development, LLCMustafa Kulac

Bugs and requests

Mobius

Reported bugs

5 issues
  • Constant disconnections
  • Inability to add/connect devices
  • Lighting schedule not working as expected
  • Time/date resets randomly
  • Crashes and freezes

Requested features

6 requests
  • Remote access and control
  • Improved lighting schedule customization
  • Pump/device off option
  • Sync settings across devices
  • Better documentation and tutorials
Show 1 more
  • Wi-Fi connectivity

ReefMate

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mobius

No in-app purchases

2 purchases

ReefMate

Subscriptions2
  • Monthly$4.991 Month
  • Annual7 Days trial$34.991 Year

Questions

Is Mobius free?
Mobius is free to download, with no in-app purchases.
Is ReefMate free?
ReefMate is free to download, with in-app purchases available.
Do Mobius or ReefMate have ads?
Neither Mobius nor ReefMate shows ads.
Which is updated more often, Mobius or ReefMate?
Mobius ships an update every 2 months, and ReefMate every 5 weeks. Most recently, Mobius was updated on October 25, 2026 and ReefMate on October 26, 2026.

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