# Виртуальная АТС TTC vs agisMobile

The clearest difference is iOS requirement: agisMobile at 13.0 against Виртуальная АТС TTC's 15.5. 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.

Виртуальная АТС TTC ships an update every 3 months, agisMobile every 6 months. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Виртуальная АТС TTC | agisMobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Size | 58 MB | 32 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TRANSTELEKOM, AO](https://appshunter.io/developer/1445135533) | [Nurlan Kazdayev](https://appshunter.io/developer/1588727488) |

## What reviewers say

### Виртуальная АТС TTC

[App page](https://appshunter.io/ios/app/ttc/id1639096165)

**Features:** Vision Pro support

**In-app purchases:** none


### agisMobile

[App page](https://appshunter.io/ios/app/agismobile/id6443635204)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Виртуальная АТС TTC free?

Виртуальная АТС TTC is free to download, with no in-app purchases.

### Is agisMobile free?

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

### Do Виртуальная АТС TTC or agisMobile have ads?

Neither Виртуальная АТС TTC nor agisMobile shows ads.

### Which is updated more often, Виртуальная АТС TTC or agisMobile?

Виртуальная АТС TTC ships an update every 3 months, and agisMobile every 6 months. Most recently, Виртуальная АТС TTC was updated on September 10, 2026 and agisMobile on September 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.*