# Контур.Диадок vs Виртуальная АТС МТС Exolve

The clearest difference is update cadence: Контур.Диадок at every 3 weeks against Виртуальная АТС МТС Exolve'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.

Контур.Диадок ships an update every 3 weeks, Виртуальная АТС МТС Exolve every 3 months. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Контур.Диадок | Виртуальная АТС МТС Exolve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (35 ratings)](https://appshunter.io/ios/app/id1492422672/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 54.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 102 MB | 59 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SKB Kontur](https://appshunter.io/developer/417000920) | [MTT](https://appshunter.io/developer/533090664) |

## What reviewers say

### Контур.Диадок

[App page](https://appshunter.io/ios/app/id1492422672)

This business application facilitates the exchange of legally significant electronic documents with counterparties and within an organization. Users can sign, reject, approve, and reject approvals for documents using an account created in the web version. Keep your organization's document flow accessible on the go and manage counterparty invitations and transaction details.

**Highlights:** Exchange legally significant electronic documents, Sign, reject, and approve documents, Manage counterparty invitations, Review transaction history and comments, Access document flow on mobile

**Features:** macOS Compatibility

**In-app purchases:** none


### Виртуальная АТС МТС Exolve

[App page](https://appshunter.io/ios/app/exolve/id6469033596)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Контур.Диадок free?

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

### Is Виртуальная АТС МТС Exolve free?

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

### Do Контур.Диадок or Виртуальная АТС МТС Exolve have ads?

Neither Контур.Диадок nor Виртуальная АТС МТС Exolve shows ads.

### Which is updated more often, Контур.Диадок or Виртуальная АТС МТС Exolve?

Контур.Диадок ships an update every 3 weeks, and Виртуальная АТС МТС Exolve every 3 months. Most recently, Контур.Диадок was updated on September 22, 2026 and Виртуальная АТС МТС Exolve on September 15, 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.*