Mobius vs Fish Tank Buddy
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.
Fish Tank Buddy
Easily calculate the ideal water, substrate, and fish for your aquarium. Maintain optimal pH levels with a bicarbonate calculator and never miss a task with customizable reminders for feeding and cleaning.
- Tank size calculator
- Water and substrate calculation
- Bicarbonate calculator for pH
- Maintenance reminders
- Measurement conversion
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Introducing the ultimate fish tank calculator app, designed to help you maintain a healthy and thriving aquatic ecosystem. Whether you're a seasoned fish keeper or just starting out, this app is an essential tool for calculating the right amount of water, substrate, and fish for any tank size. Our user-friendly interface makes it easy to enter your tank's dimensions and receive instant calculations for the ideal amount of water and gravel. The app also includes a handy conversion calculator for measurements, so you can easily switch between metric and imperial units. But that's not all - our app also includes a bicarbonate calculator, which helps you determine the correct amount of bicarbonate to add to your tank to maintain the ideal pH levels. And with our built-in reminders, you'll never forget to feed your fish, clean your tank, or check your water levels again. Simply set your desired schedule, and the app will send you notifications to keep your tank in tip-top shape. Features: Tank size calculator for water and substrate (gravel) Conversion calculator for measurements Bicarbonate calculator for pH balance Reminders for feeding, cleaning, and checking tank levels User-friendly interface for easy navigation Download our fish tank calculator app today and take the first step towards creating a healthy and thriving aquatic environment for your fish! Terms of Service: https://harryfbloch.wixsite.com/mysite/fish-tank-buddy-terms Privacy Policy: https://harryfbloch.wixsite.com/mysite/fish-tank-buddy-privacy EULA: apple.com/legal/internet-services/itunes/dev/stdeula
Screenshots
Verdict
The clearest difference is rating: Fish Tank Buddy at 5.0 against Mobius's 2.0. Fish Tank Buddy also leads on iOS requirement (13.0 vs 15.6). Mobius's advantage is ads (none vs shown) and ratings volume (331 vs 1). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Fish Tank Buddy holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: Mobius has 331 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | Mobius | Fish Tank Buddy |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (331 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 26.1% of reviews | — |
| Number of ratings | 331 — better | 1 |
| Update frequency | Every 2 months | — |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 95 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | C2 Development, LLC | harry bloch |
Customer experience
Mobius
Fish Tank Buddy
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
Fish Tank Buddy
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Mobius
No in-app purchases
Fish Tank Buddy
No in-app purchases









