# Polinu vs Brightr

The clearest difference is update cadence: Brightr at daily against Polinu's weekly. Brightr also leads on iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Polinu sells 2 in-app purchases, starting at $6.99 per month and Brightr sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Polinu ships an update weekly, Brightr daily. Both last shipped on October 30, 2026.

## The numbers

| Metric | Polinu | Brightr |
| --- | --- | --- |
| 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 | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 87 MB | 62 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Adam Gerber](https://appshunter.io/developer/1831575151) | [Bartosz Zapadka](https://appshunter.io/developer/1840499899) |

## 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 |


### Brightr

[App page](https://appshunter.io/ios/app/brightr-ai-study-assistant/id6752671902)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mini Brightr Subscription | $9.99 | per month |
| Brightr Pro Subscription | $19.99 | per month |
| Brightr Premium Subscription | $24.99 | per month |


## Frequently asked questions

### Is Polinu free?

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

### Is Brightr free?

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

### Do Polinu or Brightr have ads?

Neither Polinu nor Brightr shows ads.

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

Polinu ships an update weekly, and Brightr daily. Most recently, Polinu was updated on October 30, 2026 and Brightr on October 30, 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.*