# Kessil AP700 Controller vs Mobius

The clearest difference is update cadence: Mobius at every 2 months against Kessil AP700 Controller's every 9 months. Mobius also leads on review sentiment (27% vs 15%) and ratings volume (328 vs 33). Kessil AP700 Controller's advantage is iOS requirement (9.0 vs 15.6). On price, rating, 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.

On the App Store both sit at effectively the same score — 1.9 for Kessil AP700 Controller against 2.0 for Mobius. That said, the two scores are not equally well evidenced: Mobius has 328 ratings behind it against 33, so its average is the more settled of the two. Written reviews are what separate them: 15% of Kessil AP700 Controller's written reviews are positive against 27% of Mobius's.

Kessil AP700 Controller ships an update every 9 months, Mobius every 2 months. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Kessil AP700 Controller | Mobius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (33 ratings)](https://appshunter.io/ios/app/kessil-ap700-controller/id1097431839/reviews) | **[2.0 (328 ratings)](https://appshunter.io/ios/app/mobius/id1453744762/reviews)** |
| Number of ratings | 33 | **328** |
| Positive reviews | 15.0% of reviews | **27.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 50 MB | 95 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dicon Lighting](https://appshunter.io/developer/932272980) | [C2 Development, LLC](https://appshunter.io/developer/731463338) |

## What reviewers say

### Kessil AP700 Controller

[App page](https://appshunter.io/ios/app/kessil-ap700-controller/id1097431839)

Control and program your aquarium lighting system with this app. Customize color, intensity, and create unique light schedules to simulate natural cycles. Features include hue control, custom color saving, and special effects for a personalized aquarium environment.

**Highlights:** Hue control for custom spectrums, Full color wheel and custom color saving, Create and preview light schedules, Flexible grouping and renaming, Coral Acclimation Mode, Moonlight and special effects

**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 Kessil AP700 Controller free?

Kessil AP700 Controller 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, Kessil AP700 Controller or Mobius?

Mobius is rated higher. Kessil AP700 Controller averages 1.9 out of 5 from 33 ratings, while Mobius averages 2.0 from 328 ratings.

### Do Kessil AP700 Controller or Mobius have ads?

Neither Kessil AP700 Controller nor Mobius shows ads.

### Which is updated more often, Kessil AP700 Controller or Mobius?

Kessil AP700 Controller ships an update every 9 months, and Mobius every 2 months. Most recently, Kessil AP700 Controller 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.*