# Контур.Диадок vs 1С

The clearest difference is rating: Контур.Диадок at 4.5 against 1С's 1.0. Контур.Диадок also leads on update cadence (every 2 weeks vs every 2 months) and ratings volume (35 vs 1). 1С's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and monetization model 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 1.0. That said, the two scores are not equally well evidenced: Контур.Диадок has 35 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 56% of Контур.Диадок's written reviews are positive against 48% of 1С's.

Контур.Диадок ships an update every 2 weeks, 1С every 2 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | Контур.Диадок | 1С |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (35 ratings)](https://appshunter.io/ios/app/id1492422672/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/1/id6753802867/reviews) |
| Number of ratings | **35** | 1 |
| Positive reviews | **56.1% of reviews** | 47.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 107 MB | 125 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SKB Kontur](https://appshunter.io/developer/417000920) | [1C-SOFT LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1188302931) |

## 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


### 1С

[App page](https://appshunter.io/ios/app/1/id6753802867)

This professional tool enables comprehensive accounting and tax management, including the preparation and online submission of mandatory reports. It supports various tax systems and streamlines business operations for efficiency and compliance.

**Highlights:** Accounting and tax management, Online report submission, Support for various tax systems, Streamlined business operations, Document and transaction processing

**In-app purchases:** none


## Frequently asked questions

### Is Контур.Диадок free?

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

### Is 1С free?

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

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

Контур.Диадок is rated higher. Контур.Диадок averages 4.5 out of 5 from 35 ratings, while 1С averages 1.0 from 1 ratings.

### Do Контур.Диадок or 1С have ads?

Neither Контур.Диадок nor 1С shows ads.

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

Контур.Диадок ships an update every 2 weeks, and 1С every 2 months. Most recently, Контур.Диадок was updated on October 30, 2026 and 1С on October 30, 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.*