# imOS STYLE vs Mobius

The clearest difference is update cadence: Mobius at every 2 months against imOS STYLE's every 20 months. imOS STYLE's advantage is iOS requirement (8.0 vs 15.6). On price, ads, 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.

imOS STYLE ships an update every 20 months, Mobius every 2 months. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | imOS STYLE | Mobius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (328 ratings)](https://appshunter.io/ios/app/mobius/id1453744762/reviews)** |
| Number of ratings | — | **328** |
| Positive reviews | — | 27.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 11 MB | 95 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [illumagic](https://appshunter.io/developer/1139644730) | [C2 Development, LLC](https://appshunter.io/developer/731463338) |

## What reviewers say

### imOS STYLE

[App page](https://appshunter.io/ios/app/imos-style/id1185423536)

**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 imOS STYLE free?

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

### Is Mobius free?

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

### Do imOS STYLE or Mobius have ads?

Neither imOS STYLE nor Mobius shows ads.

### Which is updated more often, imOS STYLE or Mobius?

imOS STYLE ships an update every 20 months, and Mobius every 2 months. Most recently, imOS STYLE was updated on October 7, 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.*