# Polyspeech vs CoursFox

The clearest difference is ads: CoursFox at none against Polyspeech's shown. CoursFox also leads on update cadence (every 5 days vs every 10 days). Polyspeech's advantage is iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Polyspeech sells 2 in-app purchases, starting at $12.99 per month and CoursFox sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Polyspeech ships an update every 10 days, CoursFox every 5 days. The most recent releases landed on October 8, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Polyspeech | CoursFox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 5 days** |
| Size | 48 MB | 6 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eric Eng](https://appshunter.io/developer/1893455750) | [Platka Software Digital](https://appshunter.io/developer/1885569538) |

## What reviewers say

### Polyspeech

[App page](https://appshunter.io/ios/app/polyspeech-language-learning/id6762229351)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Polyspeech Premium | $12.99 | per month |
| Polyspeech Premium (Annual) | $109.99 | per year |


### CoursFox

[App page](https://appshunter.io/ios/app/coursfox-pdf-to-courses/id6777681629)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $7.99 | per month |
| 6-Month Plan | $39.99 | per 6 months |
| Annual Plan | $69.99 | per year |


## Frequently asked questions

### Is Polyspeech free?

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

### Is CoursFox free?

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

### Do Polyspeech or CoursFox have ads?

Polyspeech shows ads; CoursFox does not.

### Which is updated more often, Polyspeech or CoursFox?

Polyspeech ships an update every 10 days, and CoursFox every 5 days. Most recently, Polyspeech was updated on October 8, 2026 and CoursFox on September 28, 2026.

---

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