Comparison

Mobius vs AquariumNotes

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

AquariumNotes

Features
Read full description

**All your aquarium care, in one simple app.** AquariumNotes is an all-in-one aquarium management app that helps you organize your tanks, livestock, water parameters, and maintenance records. Whether you keep tropical fish, shrimp, aquatic plants, medaka, or marine aquariums, AquariumNotes makes it easy to track your aquarium care. ### Aquarium Management - Manage multiple aquariums - Keep important tank information organized - Save photos of your aquariums ### Fish, Shrimp & Plant Tracking - Manage fish, shrimp, and aquatic plants - Record introduction dates and notes - Keep livestock information organized ### Water Parameter Tracking - Record pH, GH, KH, NO₂, NO₃, and more - Review water quality history - Monitor changes over time ### Maintenance Logs - Record water changes - Track cleaning and filter maintenance - Keep a history of aquarium care ### Aquarium Photo Timeline Capture your aquarium's progress with photos and notes using Premium. ### AquariumNotes Premium Unlock additional features, including photo timeline records, exclusive themes, and an ad-free experience. Keep your aquariums organized and enjoy more time with your aquatic world. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lexnov.com/privacy-policy

Screenshots

Mobius4 screens
AquariumNotes4 screens

Verdict

The call

The clearest difference is in-app purchases: Mobius at none against AquariumNotes's 3. Mobius also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.0). AquariumNotes's advantage is update cadence (every 5 weeks vs every 2 months). On price 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. AquariumNotes sells 3 in-app purchases, starting at $2.99 per month. Mobius asks for nothing beyond the download.

UpkeepUpdate frequency

Mobius ships an update every 2 months, AquariumNotes every 5 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
Mobius versus AquariumNotes: the parameters behind the verdict, then further details
ParameterMobiusAquariumNotes
PriceFreeFree
Rating2.0 (333 ratings) — better—
Positive reviews26.1% of reviews—
Number of ratings333 — better—
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size95 MB9 MB
Age rating4+4+
DeveloperC2 Development, LLCYusuke Morimoto

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

AquariumNotes

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mobius

No in-app purchases

3 purchases

AquariumNotes

Subscriptions3
  • PremiumMember/1Month$2.991 Month
  • PremiumMember/6Month$9.996 Months
  • PremiumMember/1Year$19.991 Year

Questions

Is Mobius free?
Mobius is free to download, with no in-app purchases.
Is AquariumNotes free?
AquariumNotes is free to download, with in-app purchases available.
Do Mobius or AquariumNotes have ads?
AquariumNotes shows ads; Mobius does not.
Which is updated more often, Mobius or AquariumNotes?
Mobius ships an update every 2 months, and AquariumNotes every 5 weeks. Most recently, Mobius was updated on November 2, 2026 and AquariumNotes on November 4, 2026.

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