# Audio vs Mobius

The clearest difference is price: Mobius at Free against Audio's $2.99. Mobius also leads on rating (2.0 vs 1.0) and review sentiment (27% vs 0%). Audio's advantage is iOS requirement (12.0 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Mobius is free to download; Audio costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mobius holds the better App Store score, 2.0 against 1.0. That said, the two scores are not equally well evidenced: Mobius has 328 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Audio's written reviews are positive against 27% of Mobius's.

Audio ships an update every 3 months, Mobius every 2 months. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Audio | Mobius |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/audio-record/id698087599/reviews) | **[2.0 (328 ratings)](https://appshunter.io/ios/app/mobius/id1453744762/reviews)** |
| Number of ratings | 1 | **328** |
| Positive reviews | 0.0% of reviews | **27.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 32 MB | 95 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jessica Tunnicliffe](https://appshunter.io/developer/573370798) | [C2 Development, LLC](https://appshunter.io/developer/731463338) |

## What reviewers say

### Audio

[App page](https://appshunter.io/ios/app/audio-record/id698087599)

This app helps you organize both audio recordings and to-do lists. You can categorize recordings and tasks, add details like photos and notes, and manage them efficiently. It offers features for playback, emailing recordings, and exporting tasks as PDFs.

**Highlights:** Categorize voice recordings, Create and manage to-do lists, Add photos and descriptions to entries, Email recordings and export tasks as PDF, Set task reminders, Search for recordings and tasks

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

**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 Audio free?

Audio costs $2.99, with no in-app purchases.

### Is Mobius free?

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

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

Mobius is rated higher. Audio averages 1.0 out of 5 from 1 ratings, while Mobius averages 2.0 from 328 ratings.

### Do Audio or Mobius have ads?

Neither Audio nor Mobius shows ads.

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

Audio ships an update every 3 months, and Mobius every 2 months. Most recently, Audio was updated on October 4, 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.*