# Mobius vs Resun Smart

The clearest difference is rating: Resun Smart at 4.8 against Mobius's 2.0. Resun Smart also leads on iOS requirement (13.0 vs 15.6). Mobius's advantage is update cadence (every 2 months vs every 8 months) and ratings volume (328 vs 22). 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.

Resun Smart holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Mobius has 328 ratings behind it against 22, so its average is the more settled of the two.

Mobius ships an update every 2 months, Resun Smart every 8 months. The most recent releases landed on October 9, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Mobius | Resun Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (328 ratings)](https://appshunter.io/ios/app/mobius/id1453744762/reviews) | **[4.8 (22 ratings)](https://appshunter.io/ios/app/resun-smart/id1564691703/reviews)** |
| Number of ratings | **328** | 22 |
| Positive reviews | 27.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 95 MB | 204 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [C2 Development, LLC](https://appshunter.io/developer/731463338) | [Shenzhen Xing Risheng Industrial Co., Ltd.](https://appshunter.io/developer/1363873279) |

## 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


### Resun Smart

[App page](https://appshunter.io/ios/app/resun-smart/id1564691703)

Control your smart devices remotely with this comprehensive application. It offers multiple connection methods, allows for group control, and supports automation based on various conditions. Share device access with family members and enjoy seamless updates.

**Highlights:** Remote smart device control, AP/SMART connection methods, Control multiple devices, Automated functions, Third-party voice access support, Device sharing, Group control, OTA software updates

**In-app purchases:** none


## Frequently asked questions

### Is Mobius free?

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

### Is Resun Smart free?

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

### Which has better reviews, Mobius or Resun Smart?

Resun Smart is rated higher. Mobius averages 2.0 out of 5 from 328 ratings, while Resun Smart averages 4.8 from 22 ratings.

### Do Mobius or Resun Smart have ads?

Neither Mobius nor Resun Smart shows ads.

### Which is updated more often, Mobius or Resun Smart?

Mobius ships an update every 2 months, and Resun Smart every 8 months. Most recently, Mobius was updated on October 9, 2026 and Resun Smart on September 24, 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.*