# Natural Fluency vs Uniproser

The clearest difference is in-app purchases: Uniproser at none against Natural Fluency's 2. Natural Fluency's advantage is update cadence (every 3 weeks vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Natural Fluency sells 2 in-app purchases, starting at $18.90 per month. Uniproser asks for nothing beyond the download.

Natural Fluency ships an update every 3 weeks, Uniproser every 8 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Natural Fluency | Uniproser |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/natural-fluency/id6636541756/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 49 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Natural Fluency](https://appshunter.io/developer/1763024222) | [The Members](https://appshunter.io/developer/1653824858) |

## What reviewers say

### Natural Fluency

[App page](https://appshunter.io/ios/app/natural-fluency/id6636541756)

Practice languages through AI-powered conversations with virtual teachers. Get instant feedback on grammar, vocabulary, and pronunciation. Learn at your own pace with flexible lessons anytime, anywhere.

**Highlights:** AI conversational practice, Multiple language options, Dynamic grammar corrections, Personalized learning pace, Unlimited practice sessions, Progress tracking and feedback

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Individual | $18.90 | per month |
| Annual Individual Subscription | $149.00 | per year |


### Uniproser

[App page](https://appshunter.io/ios/app/uniproser/id6741224475)

**In-app purchases:** none


## Frequently asked questions

### Is Natural Fluency free?

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

### Is Uniproser free?

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

### Do Natural Fluency or Uniproser have ads?

Neither Natural Fluency nor Uniproser shows ads.

### Which is updated more often, Natural Fluency or Uniproser?

Natural Fluency ships an update every 3 weeks, and Uniproser every 8 months. Most recently, Natural Fluency was updated on October 27, 2026 and Uniproser on October 24, 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.*