Mobius vs AquariumNotes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Manage multiple tanks
- Create custom scenes
- Drag-and-drop scheduling
- Lighting control with templates
- Flow control for pumps
- Dosing automation and tracking
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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.
AquariumNotes
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AquariumNotes is a simple aquarium management app designed to help you keep track of your tanks and livestock. Manage aquarium information, livestock records, water parameters, and maintenance logs in one place. Suitable for planted tanks, tropical fish, shrimp tanks, medaka, and marine aquariums. ■ Aquarium Management • Manage multiple aquariums • Record tank information • Save photos for each aquarium ■ Livestock Management • Register fish, shrimp, and aquatic plants • Record introduction dates and notes • Organize livestock with photos ■ Water Parameters • pH • GH • KH • NO₂ • NO₃ Track water conditions over time. ■ Maintenance Logs • Water changes • Cleaning • Filter maintenance • Other maintenance activities Keep a complete history of your aquarium care. AquariumNotes is built to help aquarists stay organized and enjoy their hobby. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lexnov.com/privacy-policy
Screenshots
Verdict
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 (monthly 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
Both are free to download. AquariumNotes sells 3 in-app purchases, starting at $2.99 per month. Mobius asks for nothing beyond the download.
Mobius ships an update every 2 months, AquariumNotes monthly. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.
| Parameter | Mobius | AquariumNotes |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (331 ratings) — better | — |
| Positive reviews | 26.1% of reviews | — |
| Number of ratings | 331 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 95 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | C2 Development, LLC | Yusuke 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
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- Wi-Fi connectivity
AquariumNotes
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Mobius
No in-app purchases
AquariumNotes
- PremiumMember/1Month$2.991 Month
- PremiumMember/6Month$9.996 Months
- PremiumMember/1Year$19.991 Year









