# 1С vs E

The clearest difference is update cadence: E at every 3 weeks against 1С's every 3 months. 1С's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

1С ships an update every 3 months, E every 3 weeks. Both last shipped on September 11, 2026.

## The numbers

| Metric | 1С | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 123 MB | 15 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [1C-SOFT LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1188302931) | [IBERICA GROUP, TOO](https://appshunter.io/developer/1709317073) |

## What reviewers say

### 1С

[App page](https://appshunter.io/ios/app/1-3/id1635330273)

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-kassa/id6467878788)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 1С free?

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

### Is E free?

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

### Do 1С or E have ads?

Neither 1С nor E shows ads.

### Which is updated more often, 1С or E?

1С ships an update every 3 months, and E every 3 weeks. Most recently, 1С was updated on September 11, 2026 and E on September 11, 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.*