# Eastwind Polyphone vs ASM Auto

The clearest difference is ads: Eastwind Polyphone at none against ASM Auto's shown. On price, update cadence, 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.

Eastwind Polyphone ships an update every 6 weeks, ASM Auto every 3 weeks. The most recent releases landed on September 25, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Eastwind Polyphone | ASM Auto |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 134 MB | 37 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Eastwind](https://appshunter.io/developer/628388995) | [Kamila Mamedova](https://appshunter.io/developer/1858566334) |

## 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


### ASM Auto

[App page](https://appshunter.io/ios/app/asm-auto/id6756119393)

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

**In-app purchases:** none


## Frequently asked questions

### Is Eastwind Polyphone free?

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

### Is ASM Auto free?

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

### Do Eastwind Polyphone or ASM Auto have ads?

ASM Auto shows ads; Eastwind Polyphone does not.

### Which is updated more often, Eastwind Polyphone or ASM Auto?

Eastwind Polyphone ships an update every 6 weeks, and ASM Auto every 3 weeks. Most recently, Eastwind Polyphone was updated on September 25, 2026 and ASM Auto on September 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*