# Polyglo vs Effy

Polyglo and Effy are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Polyglo sells 5 one-off in-app purchases and Effy sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Polyglo ships an update every 4 days, Effy every 3 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Polyglo | Effy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Size | 247 MB | 144 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Naoki Yoshida](https://appshunter.io/developer/1875485048) | [KAM CHEUNG Wong](https://appshunter.io/developer/1439158011) |

## 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 |


### Effy

[App page](https://appshunter.io/ios/app/effy-speak-and-read-fluently/id6791413034)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Effy Pro | $1.99 | per month |
| Effy Pro | $9.99 | per year |


## Frequently asked questions

### Is Polyglo free?

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

### Is Effy free?

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

### Do Polyglo or Effy have ads?

Both Polyglo and Effy show ads.

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

Polyglo ships an update every 4 days, and Effy every 3 days. Most recently, Polyglo was updated on October 25, 2026 and Effy on October 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.*