# AQUA Dosing vs Mobius

The clearest difference is rating: AQUA Dosing at 3.8 against Mobius's 2.0. AQUA Dosing also leads on review sentiment (44% vs 27%) and update cadence (monthly vs every 2 months). Mobius's advantage is ratings volume (328 vs 6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AQUA Dosing holds the better App Store score, 3.8 against 2.0. That said, the two scores are not equally well evidenced: Mobius has 328 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 44% of AQUA Dosing's written reviews are positive against 27% of Mobius's.

AQUA Dosing ships an update monthly, Mobius every 2 months. The most recent releases landed on September 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | AQUA Dosing | Mobius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/aqua-dosing/id1193920950/reviews)** | [2.0 (328 ratings)](https://appshunter.io/ios/app/mobius/id1453744762/reviews) |
| Number of ratings | 6 | **328** |
| Positive reviews | **44.4% of reviews** | 27.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 8 MB | 95 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [华 李](https://appshunter.io/developer/1051208751) | [C2 Development, LLC](https://appshunter.io/developer/731463338) |

## What reviewers say

### AQUA Dosing

[App page](https://appshunter.io/ios/app/aqua-dosing/id1193920950)

This app offers precise liquid dosing for aquariums with notifications and alarms. It features a user-friendly graphical interface for easy setup and includes an auto-alarm for low liquid levels.

**Highlights:** 1ML accuracy for liquid dosing, Notifications and alarms, 4 dosing channels, Graphical user interface, Auto-alarm for low liquid

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is AQUA Dosing free?

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

### Is Mobius free?

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

### Which has better reviews, AQUA Dosing or Mobius?

AQUA Dosing is rated higher. AQUA Dosing averages 3.8 out of 5 from 6 ratings, while Mobius averages 2.0 from 328 ratings.

### Do AQUA Dosing or Mobius have ads?

Neither AQUA Dosing nor Mobius shows ads.

### Which is updated more often, AQUA Dosing or Mobius?

AQUA Dosing ships an update monthly, and Mobius every 2 months. Most recently, AQUA Dosing was updated on September 15, 2026 and Mobius on October 9, 2026.

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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.*