# A.T.L.A.S. vs Fast Open Admin

The clearest difference is review sentiment: A.T.L.A.S. at 89% against Fast Open Admin's 5%. On price, update cadence, 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.

A.T.L.A.S. ships an update fortnightly, Fast Open Admin every 2 weeks. The most recent releases landed on October 23, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | A.T.L.A.S. | Fast Open Admin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/atlas/id6475068402/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **88.9% of reviews** | 5.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 72 MB | 49 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Nikolai Pozdniakov](https://appshunter.io/developer/1723275313) | [ELFOK TOO](https://appshunter.io/developer/1704972671) |

## What reviewers say

### A.T.L.A.S.

[App page](https://appshunter.io/ios/app/atlas/id6475068402)

This app provides comprehensive control over your home's heating systems and offers instant leak alerts for enhanced comfort and safety. Manage individual room temperatures, set custom schedules, and receive real-time notifications to protect your home from water damage.

**Highlights:** Smart temperature control, Instant leak notifications, Remote water shut-off, Customizable schedules, Voice control with Alice, Real-time water usage statistics

**Features:** macOS Compatibility

**In-app purchases:** none


### Fast Open Admin

[App page](https://appshunter.io/ios/app/fast-open-admin/id6476619386)

Control and manage GSM modules remotely via SMS commands. Access all module settings, including user management and system configurations. Supports a range of specific GSM module models.

**Highlights:** Send SMS commands to GSM modules, Manage module settings, User list management, System settings control, Supports specific GSM module models

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is A.T.L.A.S. free?

A.T.L.A.S. is free to download, with no in-app purchases.

### Is Fast Open Admin free?

Fast Open Admin is free to download, with no in-app purchases.

### Do A.T.L.A.S. or Fast Open Admin have ads?

Neither A.T.L.A.S. nor Fast Open Admin shows ads.

### Which is updated more often, A.T.L.A.S. or Fast Open Admin?

A.T.L.A.S. ships an update fortnightly, and Fast Open Admin every 2 weeks. Most recently, A.T.L.A.S. was updated on October 23, 2026 and Fast Open Admin on October 17, 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.*