# 1С vs Контур.Экстерн

The clearest difference is rating: Контур.Экстерн at 5.0 against 1С's 2.0. Контур.Экстерн also leads on review sentiment (65% vs 50%) and ratings volume (12 vs 2). 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 2.0. That said, the two scores are not equally well evidenced: Контур.Экстерн has 12 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of 1С's written reviews are positive against 65% of Контур.Экстерн's.

1С ships an update every 2 months, Контур.Экстерн every 6 weeks. The most recent releases landed on October 16, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 1С | Контур.Экстерн |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/1/id1210606612/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/id1462879472/reviews)** |
| Number of ratings | 2 | **12** |
| Positive reviews | 50.0% of reviews | **65.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 157 MB | 89 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [1C-SOFT LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1188302931) | [SKB Kontur](https://appshunter.io/developer/417000920) |

## What reviewers say

### 1С

[App page](https://appshunter.io/ios/app/1/id1210606612)

This app helps individual entrepreneurs and self-employed individuals manage their taxes and finances. It calculates taxes, prepares payment documents, and generates invoices and receipts. The app also integrates with banking services and provides reminders for important deadlines.

**Highlights:** Tax calculation and reminders, Payment document preparation, Invoice and receipt generation, Bank integration, Cloud data backup, Self-employed tax management

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 1С free?

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

### Is Контур.Экстерн free?

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

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

Контур.Экстерн is rated higher. 1С averages 2.0 out of 5 from 2 ratings, while Контур.Экстерн averages 5.0 from 12 ratings.

### Do 1С or Контур.Экстерн have ads?

Neither 1С nor Контур.Экстерн shows ads.

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

1С ships an update every 2 months, and Контур.Экстерн every 6 weeks. Most recently, 1С was updated on October 16, 2026 and Контур.Экстерн on October 26, 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.*