# Polylingo vs ClickBook

The clearest difference is in-app purchases: ClickBook at none against Polylingo's 3. Polylingo's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Polylingo sells 3 in-app purchases, starting at $5.99 per 7 days. ClickBook asks for nothing beyond the download.

Polylingo ships an update every 6 days, ClickBook every 4 days. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Polylingo | ClickBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/polylingo-language-reader/id6758527666/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 128 MB | 1.8 GB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Jesse Deng](https://appshunter.io/developer/1584491248) | [Mohamad Mohamad](https://appshunter.io/developer/6796281612) |

## What reviewers say

### Polylingo

[App page](https://appshunter.io/ios/app/polylingo-language-reader/id6758527666)

Enhance language learning through reading with instant translations, synchronized audio narration, and AI-generated stories. Save new vocabulary and import your own content to practice reading in a foreign language.

**Highlights:** Instant tap-to-translate, Audio narration with word highlighting, AI-powered story generation, Personal phrase book, Import EPUB, PDF, and text files, 10 supported languages, Customizable reading themes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Subscription | $5.99 | per 7 days |
| Monthly Pro | $14.99 | per month |
| Yearly Pro Subscription | $39.99 | per year |


### ClickBook

[App page](https://appshunter.io/ios/app/clickbook-offline-ai-reader/id6796281610)

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

**In-app purchases:** none


## Frequently asked questions

### Is Polylingo free?

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

### Is ClickBook free?

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

### Do Polylingo or ClickBook have ads?

Neither Polylingo nor ClickBook shows ads.

### Which is updated more often, Polylingo or ClickBook?

Polylingo ships an update every 6 days, and ClickBook every 4 days. Most recently, Polylingo was updated on September 29, 2026 and ClickBook on October 8, 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.*