# DECOM vs Буквонавты

The clearest difference is in-app purchases: DECOM at none against Буквонавты's 6. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Буквонавты sells 6 in-app purchases, starting at $4.99 per month. DECOM asks for nothing beyond the download.

DECOM ships an update fortnightly, Буквонавты every 2 weeks. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DECOM | Буквонавты |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | — | Subscription |
| Size | 32 MB | 96 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Georgiq Valentinovii Vasiliyev](https://appshunter.io/developer/1470615037) | [Consultant Application Engineering Ltd](https://appshunter.io/developer/1725031339) |

## What reviewers say

### DECOM

[App page](https://appshunter.io/ios/app/decom/id1470615038)

**Features:** macOS Compatibility

**In-app purchases:** none


### Буквонавты

[App page](https://appshunter.io/ios/app/russian-alphabet/id6475737742)

This app helps young children aged 4-7 learn to read Russian letters, words, and stories through engaging mini-games. Developed by experts, it offers a fun and intuitive way to build reading fluency with interactive activities and illustrated stories.

**Highlights:** Learn Russian letters and words, Interactive mini-games, Build reading fluency, Illustrated short stories, Phonics-based learning, Developed by linguists and teachers

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 месяц | $4.99 | per month |
| 1 месяц | $4.99 | per month |
| 3 месяца | $7.99 | per 3 months |
| 3 месяца | $7.99 | per 3 months |
| 12 месяцев | $17.99 | per year |
| 12 месяцев | $17.99 | per year |


## Frequently asked questions

### Is DECOM free?

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

### Is Буквонавты free?

Буквонавты is free to download, with in-app purchases available.

### Do DECOM or Буквонавты have ads?

Neither DECOM nor Буквонавты shows ads.

### Which is updated more often, DECOM or Буквонавты?

DECOM ships an update fortnightly, and Буквонавты every 2 weeks. Most recently, DECOM was updated on October 5, 2026 and Буквонавты on October 24, 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.*