# Контур.Диадок vs Байкал Сервис

The clearest difference is review sentiment: Контур.Диадок at 56% against Байкал Сервис's 6%. Контур.Диадок also leads on rating (4.5 vs 3.3) and ratings volume (35 vs 9). Байкал Сервис's advantage is iOS requirement (15.0 vs 17.0). 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.

Контур.Диадок holds the better App Store score, 4.5 against 3.3. Both are backed by a comparable volume of ratings — 35 and 9 respectively. Written reviews point the same way: 56% of Контур.Диадок's written reviews are positive against 6% of Байкал Сервис's.

Контур.Диадок ships an update every 2 weeks, Байкал Сервис monthly. The most recent releases landed on October 30, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Контур.Диадок | Байкал Сервис |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (35 ratings)](https://appshunter.io/ios/app/id1492422672/reviews)** | [3.3 (9 ratings)](https://appshunter.io/ios/app/id1501700677/reviews) |
| Number of ratings | **35** | 9 |
| Positive reviews | **56.1% of reviews** | 5.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 107 MB | 95 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SKB Kontur](https://appshunter.io/developer/417000920) | [Байкал Сервис](https://appshunter.io/developer/1127369598) |

## What reviewers say

### Контур.Диадок

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

This business application facilitates the exchange of legally significant electronic documents between counterparties and within an organization. Users can sign, approve, or reject documents directly from their mobile devices, managing their entire document workflow on the go. It requires an account created via the web version.

**Highlights:** Exchange legally significant electronic documents, Sign, approve, and reject documents, Manage organizational document workflow, Invite new counterparties, Review deal information before signing

**Features:** macOS Compatibility

**In-app purchases:** none


### Байкал Сервис

[App page](https://appshunter.io/ios/app/id1501700677)

Manage your cargo shipments directly from your smartphone. Calculate costs, book deliveries, track your packages, and find nearby branches. Secure login options and payment methods are available.

**Highlights:** Calculate delivery costs and timelines, Book cargo shipments, Order cargo pickup from sender's address, Track shipment status and arrival date, Calculate packaging, insurance, and loading/unloading, Pay for parcels, Find nearby branches and get directions

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Контур.Диадок free?

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

### Is Байкал Сервис free?

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

### Which has better reviews, Контур.Диадок or Байкал Сервис?

Контур.Диадок is rated higher. Контур.Диадок averages 4.5 out of 5 from 35 ratings, while Байкал Сервис averages 3.3 from 9 ratings.

### Do Контур.Диадок or Байкал Сервис have ads?

Neither Контур.Диадок nor Байкал Сервис shows ads.

### Which is updated more often, Контур.Диадок or Байкал Сервис?

Контур.Диадок ships an update every 2 weeks, and Байкал Сервис monthly. Most recently, Контур.Диадок was updated on October 30, 2026 and Байкал Сервис on October 23, 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.*