# Fluency vs Library Universe

The clearest difference is device support: Fluency at 3 against Library Universe's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Fluency sells 2 in-app purchases, starting at $4.99 per month and Library Universe sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Fluency ships an update weekly, Library Universe every 2 weeks. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Fluency | Library Universe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (32 ratings)](https://appshunter.io/ios/app/fluency-language-learning/id6670401921/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 60 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Fluency LLC (US)](https://appshunter.io/developer/1754781858) | [Osman Cakir](https://appshunter.io/developer/6809819151) |

## What reviewers say

### Fluency

[App page](https://appshunter.io/ios/app/fluency-language-learning/id6670401921)

Learn languages through engaging content like stories, podcasts, and music. Immerse yourself with interactive features like word-by-word highlighting and tap-to-translate. Ideal for learners who prefer context-based vocabulary acquisition over rote memorization.

**Highlights:** Learn through stories, podcasts, and music, Tap-to-translate words and sentences, Karaoke-style highlighting for reading, Watch YouTube videos with subtitles, Learn vocabulary in context, Self-paced immersion

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fluency Premium (Monthly) | $4.99 | per month |
| Fluency Premium (Yearly) | $39.99 | per year |


### Library Universe

[App page](https://appshunter.io/ios/app/library-universe/id6809819149)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $5.99 | per month |
| Annual Membership | $49.99 | per year |


## Frequently asked questions

### Is Fluency free?

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

### Is Library Universe free?

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

### Do Fluency or Library Universe have ads?

Neither Fluency nor Library Universe shows ads.

### Which is updated more often, Fluency or Library Universe?

Fluency ships an update weekly, and Library Universe every 2 weeks. Most recently, Fluency was updated on November 4, 2026 and Library Universe on November 6, 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.*