# PopStudy vs Project Fluency™

The clearest difference is ads: PopStudy at none against Project Fluency™'s shown. PopStudy also leads on update cadence (fortnightly vs every 3 months) and monetization model (ad-supported vs free with in-app purchases). Project Fluency™'s advantage is iOS requirement (15.1 vs 18.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. PopStudy sells 6 in-app purchases, starting at $7.49 per month and Project Fluency™ sells 4 in-app purchases, starting at $17.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for PopStudy against 5.0 for Project Fluency™. Both are backed by a comparable volume of ratings — 9 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

PopStudy ships an update fortnightly, Project Fluency™ every 3 months. The most recent releases landed on November 2, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | PopStudy | Project Fluency™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (9 ratings)](https://appshunter.io/ios/app/popstudy-language-learning/id1169672977/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/project-fluency/id6757345166/reviews)** |
| Number of ratings | **9** | 5 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 152 MB | 77 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Longtail Studios](https://appshunter.io/developer/305747913) | [Project Fluency, Inc.](https://appshunter.io/developer/1866255602) |

## What reviewers say

### PopStudy

[App page](https://appshunter.io/ios/app/popstudy-language-learning/id1169672977)

Master any subject with this educational app utilizing a spaced repetition system. Create custom study mixes, engage in personalized sessions, and track your learning progress. Access curated content and study offline on your devices.

**Highlights:** Spaced repetition system, Curated expert content, Customizable study mixes, Personalized daily sessions, Progress tracking, Cross-device syncing, Offline studying

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student Monthly | $7.49 | per month |
| Personal Monthly | $14.99 | per month |
| Family Monthly | $19.99 | per month |
| Student Yearly | $47.90 | per year |
| Personal Yearly | $95.90 | per year |
| Family Yearly | $167.99 | per year |


### Project Fluency™

[App page](https://appshunter.io/ios/app/project-fluency/id6757345166)

Practice real-world conversations with AI characters that remember your mistakes and adapt to your learning style. Improve fluency in five languages with native accents and cultural context.

**Highlights:** AI characters with memory, Real-time grammar correction, Adaptive practice modes, Voice-first learning, Regional accents and slang, Progress analysis

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tourist | $17.99 | per month |
| Local | $34.99 | per month |
| Coffee Chat | $3.99 | one-time |
| One Way Ticket | $179.99 | one-time |


## Frequently asked questions

### Is PopStudy free?

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

### Is Project Fluency™ free?

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

### Which has better reviews, PopStudy or Project Fluency™?

Project Fluency™ is rated higher. PopStudy averages 4.9 out of 5 from 9 ratings, while Project Fluency™ averages 5.0 from 5 ratings.

### Do PopStudy or Project Fluency™ have ads?

Project Fluency™ shows ads; PopStudy does not.

### Which is updated more often, PopStudy or Project Fluency™?

PopStudy ships an update fortnightly, and Project Fluency™ every 3 months. Most recently, PopStudy was updated on November 2, 2026 and Project Fluency™ on October 26, 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.*