# X1 Pump vs Mobius

The clearest difference is rating: X1 Pump at 2.4 against Mobius's 2.0. X1 Pump also leads on iOS requirement (9.0 vs 15.6). Mobius's advantage is ratings volume (328 vs 20). On price, review sentiment, update cadence and ads there is nothing between them.

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

X1 Pump holds the better App Store score, 2.4 against 2.0. That said, the two scores are not equally well evidenced: Mobius has 328 ratings behind it against 20, so its average is the more settled of the two. Written reviews split almost evenly too, at 28% and 27% positive.

X1 Pump ships an update every 6 weeks, Mobius every 2 months. The most recent releases landed on September 21, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | X1 Pump | Mobius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (20 ratings)](https://appshunter.io/ios/app/x1-pump/id1400671862/reviews)** | [2.0 (328 ratings)](https://appshunter.io/ios/app/mobius/id1453744762/reviews) |
| Number of ratings | 20 | **328** |
| Positive reviews | **27.6% of reviews** | 27.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 21 MB | 95 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kamoer Fluild Tech (shanghai) Co., Ltd.](https://appshunter.io/developer/1080922922) | [C2 Development, LLC](https://appshunter.io/developer/731463338) |

## What reviewers say

### X1 Pump

[App page](https://appshunter.io/ios/app/x1-pump/id1400671862)

Control a Bluetooth-enabled titration pump for manual or scheduled dosing. Set up regular titration plans based on days or weeks for automated liquid dispensing.

**Highlights:** Bluetooth pump control, Manual titration, Scheduled titration plans, Cycle titration by days, Weekly titration setup

**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 X1 Pump free?

X1 Pump 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, X1 Pump or Mobius?

X1 Pump is rated higher. X1 Pump averages 2.4 out of 5 from 20 ratings, while Mobius averages 2.0 from 328 ratings.

### Do X1 Pump or Mobius have ads?

Neither X1 Pump nor Mobius shows ads.

### Which is updated more often, X1 Pump or Mobius?

X1 Pump ships an update every 6 weeks, and Mobius every 2 months. Most recently, X1 Pump was updated on September 21, 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.*