# Eastwind Polyphone vs Ядро

The clearest difference is iOS requirement: Ядро at 11.0 against Eastwind Polyphone's 15.6. 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.

Eastwind Polyphone ships an update every 6 weeks, Ядро every 2 months. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Eastwind Polyphone | Ядро |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 134 MB | 18 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eastwind](https://appshunter.io/developer/628388995) | [OFIS KONTROLLER, OOO](https://appshunter.io/developer/1513935187) |

## What reviewers say

### Eastwind Polyphone

[App page](https://appshunter.io/ios/app/eastwind-polyphone/id1458097345)

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

**In-app purchases:** none


### Ядро

[App page](https://appshunter.io/ios/app/id6443979009)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Eastwind Polyphone free?

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

### Is Ядро free?

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

### Do Eastwind Polyphone or Ядро have ads?

Neither Eastwind Polyphone nor Ядро shows ads.

### Which is updated more often, Eastwind Polyphone or Ядро?

Eastwind Polyphone ships an update every 6 weeks, and Ядро every 2 months. Most recently, Eastwind Polyphone was updated on October 11, 2026 and Ядро on October 12, 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.*