# TELETASK ATMOS vs ST4U

The clearest difference is update cadence: ST4U at every 3 weeks against TELETASK ATMOS's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TELETASK ATMOS ships an update every 3 months, ST4U every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | TELETASK ATMOS | ST4U |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 137 MB | 35 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TELETASK home automation](https://appshunter.io/developer/309139960) | [HePoJ](https://appshunter.io/developer/1596658297) |

## What reviewers say

### TELETASK ATMOS

[App page](https://appshunter.io/ios/app/teletask-atmos/id1573256849)

Control your home's lighting, climate, shades, and energy usage from a single application. Access your home remotely or locally for security and efficient energy management. Customize your dashboard with favorite controls and easily switch between multiple properties.

**Highlights:** All-in-one home automation control, Remote and local access, Energy management and monitoring, Customizable dashboard, Support for multiple devices, Easy switching between installations

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

**In-app purchases:** none


### ST4U

[App page](https://appshunter.io/ios/app/st4u/id1596658055)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TELETASK ATMOS free?

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

### Is ST4U free?

ST4U is free to download, with no in-app purchases.

### Do TELETASK ATMOS or ST4U have ads?

Neither TELETASK ATMOS nor ST4U shows ads.

### Which is updated more often, TELETASK ATMOS or ST4U?

TELETASK ATMOS ships an update every 3 months, and ST4U every 3 weeks. Most recently, TELETASK ATMOS was updated on November 3, 2026 and ST4U 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.*