# KeepReading vs PolyLingual

The clearest difference is in-app purchases: KeepReading at none against PolyLingual's 1. KeepReading also leads on update cadence (every 5 days vs monthly) and iOS requirement (16.0 vs 18.6). PolyLingual's advantage is ratings volume (3 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. PolyLingual sells 1 in-app purchase, starting at $2.99 per month. KeepReading asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for KeepReading against 5.0 for PolyLingual. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

KeepReading ships an update every 5 days, PolyLingual monthly. The most recent releases landed on September 21, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | KeepReading | PolyLingual |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/keepreading/id1576840247/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/polylingual/id1639800345/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | **Free** | Freemium |
| Size | 19 MB | 61 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Cambridge Technology Innovation Centre Ltd](https://appshunter.io/developer/1576840249) | [Brennan Dumm](https://appshunter.io/developer/1639800587) |

## What reviewers say

### KeepReading

[App page](https://appshunter.io/ios/app/keepreading/id1576840247)

Effortlessly read foreign language texts with instant translations. This app helps you build vocabulary and comprehension by providing seamless translation options for various content types, making language learning enjoyable and interruption-free.

**Highlights:** Tap-to-show word translation, Swipe-to-show phrase/sentence translation, Auto-scan translation while reading, Supports web pages, ePubs, PDFs, and notes, Over 20 languages supported, Vocabulary and comprehension building

**In-app purchases:** none


### PolyLingual

[App page](https://appshunter.io/ios/app/polylingual/id1639800345)

Learn vocabulary in numerous languages at your own pace. Customize your learning by adding your own words and phrases, which are automatically translated. Explore flashcards and side-by-side word grids for effective memorization.

**Highlights:** Learn vocabulary in multiple languages simultaneously, Add and customize your own words and phrases, Automatic translation of custom words, Flashcard learning mode, Side-by-side word grid comparison, Listen to words in their native language

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $2.99 | per month |


## Frequently asked questions

### Is KeepReading free?

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

### Is PolyLingual free?

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

### Which has better reviews, KeepReading or PolyLingual?

KeepReading and PolyLingual are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do KeepReading or PolyLingual have ads?

Neither KeepReading nor PolyLingual shows ads.

### Which is updated more often, KeepReading or PolyLingual?

KeepReading ships an update every 5 days, and PolyLingual monthly. Most recently, KeepReading was updated on September 21, 2026 and PolyLingual on October 1, 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.*