# Polinu vs Relang

The clearest difference is iOS requirement: Relang at 18.0 against Polinu's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Polinu sells 2 in-app purchases, starting at $6.99 per month and Relang sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Polinu ships an update weekly, Relang every 4 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Polinu | Relang |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/polinu/id6749646411/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 87 MB | 3 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Adam Gerber](https://appshunter.io/developer/1831575151) | [Vladislav Bogucharov](https://appshunter.io/developer/1594529683) |

## What reviewers say

### Polinu

[App page](https://appshunter.io/ios/app/polinu/id6749646411)

Master new languages by reading ePub books you love. Get instant word translations, detailed grammatical analysis, and build vocabulary with smart flashcards and spaced repetition. Track your progress with in-depth analytics.

**Highlights:** Read ePub books in multiple languages, Instant word translations and contextual meaning, Verb conjugations and noun declensions, Part-of-speech analysis, Personalized flashcard decks, Spaced-repetition algorithm, Memory strength tracking

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $49.99 | per year |


### Relang

[App page](https://appshunter.io/ios/app/relang-language-flashcards/id6759907933)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access for one month | $2.99 | per month |


## Frequently asked questions

### Is Polinu free?

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

### Is Relang free?

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

### Do Polinu or Relang have ads?

Neither Polinu nor Relang shows ads.

### Which is updated more often, Polinu or Relang?

Polinu ships an update weekly, and Relang every 4 days. Most recently, Polinu was updated on October 30, 2026 and Relang on October 25, 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.*