# Polyglo vs Skix Echo

The clearest difference is in-app purchases: Skix Echo at none against Polyglo's 5. Skix Echo also leads on ads (none vs shown). Polyglo's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Polyglo sells 5 one-off in-app purchases. Skix Echo asks for nothing beyond the download.

Polyglo ships an update every 4 days, Skix Echo every 5 days. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Polyglo | Skix Echo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 247 MB | 22 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Naoki Yoshida](https://appshunter.io/developer/1875485048) | [SKIX K.K.](https://appshunter.io/developer/6787700517) |

## What reviewers say

### Polyglo

[App page](https://appshunter.io/ios/app/polyglo/id6765804022)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| English Unlock | $2.99 | one-time |
| Chinese Unlock | $2.99 | one-time |
| Japanese Unlock | $2.99 | one-time |
| Spanish Unlock | $2.99 | one-time |
| VIP Pass (All Languages) | $9.99 | one-time |


### Skix Echo

[App page](https://appshunter.io/ios/app/skix-echo/id6803100267)

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

**In-app purchases:** none


## Frequently asked questions

### Is Polyglo free?

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

### Is Skix Echo free?

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

### Do Polyglo or Skix Echo have ads?

Polyglo shows ads; Skix Echo does not.

### Which is updated more often, Polyglo or Skix Echo?

Polyglo ships an update every 4 days, and Skix Echo every 5 days. Most recently, Polyglo was updated on October 2, 2026 and Skix Echo on September 29, 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.*