# Студия ArtNail Чертановская vs UniBook

The clearest difference is update cadence: UniBook at every 2 weeks against Студия ArtNail Чертановская's every 30 months. 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.

Студия ArtNail Чертановская ships an update every 30 months, UniBook every 2 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Студия ArtNail Чертановская | UniBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 2 weeks** |
| Size | 25 MB | 64 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Natalya Chizhikova](https://appshunter.io/developer/1549271922) | [Unicorn Soft LLC](https://appshunter.io/developer/1790641992) |

## What reviewers say

### Студия ArtNail Чертановская

[App page](https://appshunter.io/ios/app/artnail/id1549271920)

**Features:** macOS Compatibility

**In-app purchases:** none


### UniBook

[App page](https://appshunter.io/ios/app/unibook/id6504854967)

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

**In-app purchases:** none


## Frequently asked questions

### Is Студия ArtNail Чертановская free?

Студия ArtNail Чертановская is free to download, with no in-app purchases.

### Is UniBook free?

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

### Do Студия ArtNail Чертановская or UniBook have ads?

Neither Студия ArtNail Чертановская nor UniBook shows ads.

### Which is updated more often, Студия ArtNail Чертановская or UniBook?

Студия ArtNail Чертановская ships an update every 30 months, and UniBook every 2 weeks. Most recently, Студия ArtNail Чертановская was updated on November 3, 2026 and UniBook on November 8, 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.*