# Dosing Pump 2 vs Mobius

The clearest difference is rating: Mobius at 2.0 against Dosing Pump 2's 1.0. Mobius also leads on ratings volume (328 vs 2) and review sentiment (27% vs 16%). Dosing Pump 2's advantage is iOS requirement (11.0 vs 15.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Mobius holds the better App Store score, 2.0 against 1.0. That said, the two scores are not equally well evidenced: Mobius has 328 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 16% of Dosing Pump 2's written reviews are positive against 27% of Mobius's.

Dosing Pump 2 ships an update every 5 weeks, Mobius every 2 months. The most recent releases landed on June 2, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Dosing Pump 2 | Mobius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/dosing-pump-2/id1247339419/reviews) | **[2.0 (328 ratings)](https://appshunter.io/ios/app/mobius/id1453744762/reviews)** |
| Number of ratings | 2 | **328** |
| Positive reviews | 15.8% of reviews | **27.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 15 MB | 95 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KAMOER-fluid-tech-Shanghai-Co.,Ltd.](https://appshunter.io/developer/1080922922) | [C2 Development, LLC](https://appshunter.io/developer/731463338) |

## What reviewers say

### Dosing Pump 2

[App page](https://appshunter.io/ios/app/dosing-pump-2/id1247339419)

Control your Kamoer X4 dosing pump with this dedicated aquarium breeding application. Monitor temperature with alarms, set automatic dosing schedules, manually adjust liquid levels, and view real-time liquid bottle status.

**Highlights:** Temperature monitoring with alarm thresholds, Automatic dosing parameter setting, Customizable dosing frequency and quantity, Manual dosing control and calibration, Real-time liquid level display

**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 Dosing Pump 2 free?

Dosing Pump 2 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, Dosing Pump 2 or Mobius?

Mobius is rated higher. Dosing Pump 2 averages 1.0 out of 5 from 2 ratings, while Mobius averages 2.0 from 328 ratings.

### Do Dosing Pump 2 or Mobius have ads?

Neither Dosing Pump 2 nor Mobius shows ads.

### Which is updated more often, Dosing Pump 2 or Mobius?

Dosing Pump 2 ships an update every 5 weeks, and Mobius every 2 months. Most recently, Dosing Pump 2 was updated on June 2, 2026 and Mobius on September 26, 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.*