# Polyglo vs SinoSpark

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

Both are free to download. Polyglo sells 5 one-off in-app purchases and SinoSpark sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Polyglo ships an update every 4 days, SinoSpark every 5 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Polyglo | SinoSpark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 247 MB | 536 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Naoki Yoshida](https://appshunter.io/developer/1875485048) | [Simon Derleth](https://appshunter.io/developer/6787925717) |

## 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 |


### SinoSpark

[App page](https://appshunter.io/ios/app/sinospark-learn-chinese-ai/id6787954819)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SinoSpark AI Pro Monthly | $7.99 | per month |
| SinoSpark AI Pro Yearly | $59.99 | per year |


## Frequently asked questions

### Is Polyglo free?

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

### Is SinoSpark free?

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

### Do Polyglo or SinoSpark have ads?

Polyglo shows ads; SinoSpark does not.

### Which is updated more often, Polyglo or SinoSpark?

Polyglo ships an update every 4 days, and SinoSpark every 5 days. Most recently, Polyglo was updated on October 25, 2026 and SinoSpark on October 28, 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.*