# Mobius vs MarineWay

The clearest difference is rating: MarineWay at 4.5 against Mobius's 2.0. MarineWay also leads on update cadence (monthly vs every 2 months). Mobius's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, review sentiment, device support and iOS requirement there is nothing between them.

Both are free to download. MarineWay sells 2 in-app purchases, starting at $4.99 per month. Mobius asks for nothing beyond the download.

MarineWay holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: Mobius has 333 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 26% of Mobius's written reviews are positive against 33% of MarineWay's.

Mobius ships an update every 2 months, MarineWay monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Mobius | MarineWay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (333 ratings)](https://appshunter.io/ios/app/mobius/id1453744762/reviews) | **[4.5 (4 ratings)](https://appshunter.io/ios/app/marineway-happy-reefing/id1546031865/reviews)** |
| Number of ratings | **333** | 4 |
| Positive reviews | 26.1% of reviews | **33.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 95 MB | 22 MB |
| Requires iOS | 15.6 | **14.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [C2 Development, LLC](https://appshunter.io/developer/731463338) | [兆辉 马](https://appshunter.io/developer/667445063) |

## 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


### MarineWay

[App page](https://appshunter.io/ios/app/marineway-happy-reefing/id1546031865)

Log all aspects of your aquarium, from water parameters and livestock to feeding and maintenance schedules. This app helps you track changes, troubleshoot issues, and ensure your reef tank thrives. It offers multi-tank support and reminders for husbandry tasks.

**Highlights:** Water parameters log, Husbandry log and reminders, Livestock tracking, Tank feed logging, Multi-tank support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $4.99 | per month |
| Yearly subscription | $19.99 | per year |


## Frequently asked questions

### Is Mobius free?

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

### Is MarineWay free?

MarineWay is free to download, with in-app purchases available.

### Which has better reviews, Mobius or MarineWay?

MarineWay is rated higher. Mobius averages 2.0 out of 5 from 333 ratings, while MarineWay averages 4.5 from 4 ratings.

### Do Mobius or MarineWay have ads?

MarineWay shows ads; Mobius does not.

### Which is updated more often, Mobius or MarineWay?

Mobius ships an update every 2 months, and MarineWay monthly. Most recently, Mobius was updated on November 2, 2026 and MarineWay on November 3, 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.*