# КС Документы vs Flash

The clearest difference is iOS requirement: Flash at 12.0 against КС Документы's 14.0. 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.

КС Документы ships an update every 2 months, Flash every 3 months. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | КС Документы | Flash |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 53 MB | 36 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Keysystems](https://appshunter.io/developer/648307797) | [Edil Ryspekov](https://appshunter.io/developer/1615902302) |

## What reviewers say

### КС Документы

[App page](https://appshunter.io/ios/app/id1578486142)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flash

[App page](https://appshunter.io/ios/app/flash-sew/id6453692897)

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

**In-app purchases:** none


## Frequently asked questions

### Is КС Документы free?

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

### Is Flash free?

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

### Do КС Документы or Flash have ads?

Neither КС Документы nor Flash shows ads.

### Which is updated more often, КС Документы or Flash?

КС Документы ships an update every 2 months, and Flash every 3 months. Most recently, КС Документы was updated on October 18, 2026 and Flash on October 20, 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.*