# Mobius vs Fish Tank Buddy

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.

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.

## The numbers

| Metric | Mobius | Fish Tank Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (331 ratings)](https://appshunter.io/ios/app/mobius/id1453744762/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fish-tank-buddy/id6446954175/reviews)** |
| Number of ratings | **331** | 1 |
| Positive reviews | 26.1% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | — |
| Monetization | **Free** | Ad-supported |
| Size | 95 MB | 21 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [C2 Development, LLC](https://appshunter.io/developer/731463338) | [harry bloch](https://appshunter.io/developer/1130009832) |

## What reviewers say

### Mobius

[App page](https://appshunter.io/ios/app/mobius/id1453744762)

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:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 🚀 Intuitive interface
- 👍 Controllability of devices
- 👍 Potential for future improvements

**What reviewers complain about**

- 🐛 Connectivity issues
- 🐛 Time/date sync problems
- 🐛 Unreliable performance
- 🐛 Buggy and glitchy
- 🐛 Difficult to navigate

**Reported bugs**

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

**Requested features**

- Remote access and control
- Improved lighting schedule customization
- Pump/device off option
- Sync settings across devices
- Better documentation and tutorials


### Fish Tank Buddy

[App page](https://appshunter.io/ios/app/fish-tank-buddy/id6446954175)

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.

**Highlights:** Tank size calculator, Water and substrate calculation, Bicarbonate calculator for pH, Maintenance reminders, Measurement conversion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mobius free?

Mobius is free to download, with no in-app purchases.

### Is Fish Tank Buddy free?

Fish Tank Buddy is free to download, with no in-app purchases.

### Which has better reviews, Mobius or Fish Tank Buddy?

Fish Tank Buddy is rated higher. Mobius averages 2.0 out of 5 from 331 ratings, while Fish Tank Buddy averages 5.0 from 1 ratings.

### Do Mobius or Fish Tank Buddy have ads?

Fish Tank Buddy shows ads; Mobius does not.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*