# Tek Ofis vs Atmosfer

The clearest difference is update cadence: Atmosfer at every 9 days against Tek Ofis's every 4 months. Atmosfer also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Tek Ofis ships an update every 4 months, Atmosfer every 9 days. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Tek Ofis | Atmosfer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 37 MB | 48 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Turkcell Superonline](https://appshunter.io/developer/477996305) | [Turkcell Iletisim Hizmetleri A.S.](https://appshunter.io/developer/305642482) |

## What reviewers say

### Tek Ofis

[App page](https://appshunter.io/ios/app/tek-ofis/id1380891723)

This business communication app provides the features of a next-generation phone system, allowing users to stay connected to their office from anywhere. Make HD calls, manage contacts, and send instant messages with file transfers.

**Highlights:** Virtual PBX capabilities, HD quality calls, Contact status monitoring, Instant messaging, File transfers, Office independence

**Features:** macOS Compatibility

**In-app purchases:** none


### Atmosfer

[App page](https://appshunter.io/ios/app/atmosfer/id1593384553)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tek Ofis free?

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

### Is Atmosfer free?

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

### Do Tek Ofis or Atmosfer have ads?

Neither Tek Ofis nor Atmosfer shows ads.

### Which is updated more often, Tek Ofis or Atmosfer?

Tek Ofis ships an update every 4 months, and Atmosfer every 9 days. Most recently, Tek Ofis was updated on October 7, 2026 and Atmosfer on October 11, 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.*