# Достоевский Калуга vs Вода 21 Века

The clearest difference is ads: Вода 21 Века at none against Достоевский Калуга's shown. Достоевский Калуга's advantage is iOS requirement (11.0 vs 15.1). On price, 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.

## The numbers

| Metric | Достоевский Калуга | Вода 21 Века |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 3 weeks |
| Size | 68 MB | 85 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FUDL PLATFORMA, OOO](https://appshunter.io/developer/1565943117) | [Airat Ramazanov](https://appshunter.io/developer/1438449593) |

## What reviewers say

### Достоевский Калуга

[App page](https://appshunter.io/ios/app/id1592089554)

**Features:** macOS Compatibility

**In-app purchases:** none


### Вода 21 Века

[App page](https://appshunter.io/ios/app/21/id6443659914)

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

**In-app purchases:** none


## Frequently asked questions

### Is Достоевский Калуга free?

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

### Is Вода 21 Века free?

Вода 21 Века is free to download, with no in-app purchases.

### Do Достоевский Калуга or Вода 21 Века have ads?

Достоевский Калуга shows ads; Вода 21 Века does not.

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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.*