# Mobius vs Autoledger Spec

The clearest difference is in-app purchases: Mobius at none against Autoledger Spec's 1. Autoledger Spec's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Autoledger Spec sells 1 in-app purchase, starting at $9.99 per month. Mobius asks for nothing beyond the download.

Mobius ships an update every 2 months, Autoledger Spec every 3 weeks. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Mobius | Autoledger Spec |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 95 MB | 41 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [C2 Development, LLC](https://appshunter.io/developer/731463338) | [Jovan Grant](https://appshunter.io/developer/6775704760) |

## 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


### Autoledger Spec

[App page](https://appshunter.io/ios/app/autoledger-spec/id6775704758)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $9.99 | per month |


## Frequently asked questions

### Is Mobius free?

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

### Is Autoledger Spec free?

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

### Do Mobius or Autoledger Spec have ads?

Neither Mobius nor Autoledger Spec shows ads.

### Which is updated more often, Mobius or Autoledger Spec?

Mobius ships an update every 2 months, and Autoledger Spec every 3 weeks. Most recently, Mobius was updated on October 9, 2026 and Autoledger Spec on October 1, 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.*