# Renshuu vs Polinu

The clearest difference is in-app purchases: Renshuu at none against Polinu's 2. On price, update cadence, ads 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. Renshuu asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 28, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Renshuu | Polinu |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 87 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Roland Kajatin](https://appshunter.io/developer/1691601332) | [Adam Gerber](https://appshunter.io/developer/1831575151) |

## What reviewers say

### Renshuu

[App page](https://appshunter.io/ios/app/renshuu/id6743452303)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Renshuu free?

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

### Is Polinu free?

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

### Do Renshuu or Polinu have ads?

Neither Renshuu nor Polinu shows ads.

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

Renshuu ships an update weekly, and Polinu weekly. Most recently, Renshuu was updated on October 28, 2026 and Polinu on October 9, 2026.

---

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