# 1C vs Контур.Диадок

The clearest difference is update cadence: Контур.Диадок at every 2 weeks against 1C's every 2 months. 1C's advantage is review sentiment (67% vs 56%) and iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

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

1C holds the better App Store score, 4.6 against 4.5. Both are backed by a comparable volume of ratings — 41 and 36 respectively. Written reviews point the same way: 67% of 1C's written reviews are positive against 56% of Контур.Диадок's.

1C ships an update every 2 months, Контур.Диадок every 2 weeks. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 1C | Контур.Диадок |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (41 ratings)](https://appshunter.io/ios/app/1c-connect/id1095316351/reviews)** | [4.5 (36 ratings)](https://appshunter.io/ios/app/id1492422672/reviews) |
| Number of ratings | **41** | 36 |
| Positive reviews | **66.7% of reviews** | 55.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 115 MB | 107 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Buhphone LLC](https://appshunter.io/developer/1095316350) | [SKB Kontur](https://appshunter.io/developer/417000920) |

## What reviewers say

### 1C

[App page](https://appshunter.io/ios/app/1c-connect/id1095316351)

This service connects support providers with clients, immediately delivering requests and logging performance data. It facilitates interaction among colleagues and community users, enabling service operators to distribute services and offer product support.

**Highlights:** Immediate request delivery, Request queue support, Performance data recording, Activity logging, Client-provider interaction, Service distribution

**Features:** Siri integration, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 1C free?

1C is free to download, with no in-app purchases.

### Is Контур.Диадок free?

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

### Which has better reviews, 1C or Контур.Диадок?

1C is rated higher. 1C averages 4.6 out of 5 from 41 ratings, while Контур.Диадок averages 4.5 from 36 ratings.

### Do 1C or Контур.Диадок have ads?

Neither 1C nor Контур.Диадок shows ads.

### Which is updated more often, 1C or Контур.Диадок?

1C ships an update every 2 months, and Контур.Диадок every 2 weeks. Most recently, 1C was updated on November 6, 2026 and Контур.Диадок on November 7, 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.*