# Контур.Экстерн vs 1С

The clearest difference is rating: Контур.Экстерн at 5.0 against 1С's 1.0. Контур.Экстерн also leads on review sentiment (65% vs 48%) and ratings volume (12 vs 1). 1С's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). 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.Экстерн holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Контур.Экстерн has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 65% of Контур.Экстерн's written reviews are positive against 48% of 1С's.

Контур.Экстерн ships an update every 6 weeks, 1С every 2 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Контур.Экстерн | 1С |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/id1462879472/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/1/id6753802867/reviews) |
| Number of ratings | **12** | 1 |
| Positive reviews | **65.0% of reviews** | 47.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 89 MB | 125 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CJSC "PF "SKB Kontur"](https://appshunter.io/developer/417000920) | [1C-SOFT LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1188302931) |

## What reviewers say

### Контур.Экстерн

[App page](https://appshunter.io/ios/app/id1462879472)

Manage your reporting and stay updated on tax and government notifications from your phone. Track report statuses, receive alerts for requirements, and communicate with support 24/7.

**Highlights:** Reporting calendar and deadlines, Real-time report status monitoring, Notifications from tax and pension authorities, View FNS and Rosstat reports, Manage tax authority requirements, 24/7 technical support chat

**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.Экстерн free?

Контур.Экстерн 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.Экстерн or 1С?

Контур.Экстерн is rated higher. Контур.Экстерн averages 5.0 out of 5 from 12 ratings, while 1С averages 1.0 from 1 ratings.

### Do Контур.Экстерн or 1С have ads?

Neither Контур.Экстерн nor 1С shows ads.

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

Контур.Экстерн ships an update every 6 weeks, and 1С every 2 months. Most recently, Контур.Экстерн was updated on October 29, 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.*