# KATRIN | Ульяновск vs CoolekFlo Studio | Сочи

The clearest difference is device support: KATRIN | Ульяновск at 4 against CoolekFlo Studio | Сочи's —. KATRIN | Ульяновск also leads on iOS requirement (10.0 vs 12.0). On price 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.

## The numbers

| Metric | KATRIN | Ульяновск | CoolekFlo Studio | Сочи |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Size | 55 MB | 43 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | — |
| Age rating | 4+ | 4+ |
| Developer | [FUDSOUL, OOO](https://appshunter.io/developer/477990878) | [Roman Ginovich](https://appshunter.io/developer/1525550118) |

## What reviewers say

### KATRIN | Ульяновск

[App page](https://appshunter.io/ios/app/katrin/id1531777707)

**Features:** macOS Compatibility

**In-app purchases:** none


### CoolekFlo Studio | Сочи

[App page](https://appshunter.io/ios/app/coolekflo-studio/id6476929719)

**In-app purchases:** none


## Frequently asked questions

### Is KATRIN | Ульяновск free?

KATRIN | Ульяновск is free to download, with no in-app purchases.

### Is CoolekFlo Studio | Сочи free?

CoolekFlo Studio | Сочи is free to download, with no in-app purchases.

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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.*