# Виртуальная АТС TTC vs Everflow

The clearest difference is update cadence: Everflow at every 6 weeks against Виртуальная АТС TTC's every 3 months. Виртуальная АТС TTC's advantage is device support. On price, 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.

Виртуальная АТС TTC ships an update every 3 months, Everflow every 6 weeks. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Виртуальная АТС TTC | Everflow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 58 MB | 26 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [TRANSTELEKOM, AO](https://appshunter.io/developer/1445135533) | [EVERYDOC, TOO](https://appshunter.io/developer/1885476194) |

## What reviewers say

### Виртуальная АТС TTC

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

**Features:** Vision Pro support

**In-app purchases:** none


### Everflow

[App page](https://appshunter.io/ios/app/everflow/id6760643693)

**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 Everflow free?

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

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

Виртуальная АТС TTC ships an update every 3 months, and Everflow every 6 weeks. Most recently, Виртуальная АТС TTC was updated on September 10, 2026 and Everflow on September 13, 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.*