# GSL Builder Multilingual vs Feynman Nurse

The clearest difference is in-app purchases: GSL Builder Multilingual at none against Feynman Nurse's 3. GSL Builder Multilingual also leads on iOS requirement (13.0 vs 15.1). Feynman Nurse's advantage is update cadence (every 4 months vs every 108 months). On price, ads and device support there is nothing between them.

Both are free to download. Feynman Nurse sells 3 in-app purchases, starting at $19.99 per month. GSL Builder Multilingual asks for nothing beyond the download.

GSL Builder Multilingual ships an update every 108 months, Feynman Nurse every 4 months. The most recent releases landed on September 15, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | GSL Builder Multilingual | Feynman Nurse |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/feynman-nurse-study-notes/id6757008553/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 108 months | **Every 4 months** |
| Monetization | — | Freemium |
| Size | 179 MB | 47 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [EFL Technologies](https://appshunter.io/developer/942981362) | [Ogbemudia Terry Osayawe](https://appshunter.io/developer/1678791059) |

## What reviewers say

### GSL Builder Multilingual

[App page](https://appshunter.io/ios/app/gsl-builder-multilingual/id1097695397)

**Features:** macOS Compatibility

**In-app purchases:** none


### Feynman Nurse

[App page](https://appshunter.io/ios/app/feynman-nurse-study-notes/id6757008553)

Transform your nursing study materials into organized notes, flashcards, and quizzes. This app helps you prepare for exams by creating custom study sets from lectures, documents, and images. It includes tools like a blood gas analyzer and Feynman Mode for deeper understanding.

**Highlights:** Convert lectures, PDFs, and documents to notes, Create flashcards and practice quizzes, Generate mind maps from study materials, Utilize Feynman Mode for self-explanation, Study pharmacology and lab values, Blood gas analyzer for acid-base concepts, Organize notes into folders and share

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Feynman Pro Monthly. | $19.99 | per month |
| Feynman Pro 6-Month | $49.99 | per 6 months |
| Feynman Pro Annual | $99.99 | per year |


## Frequently asked questions

### Is GSL Builder Multilingual free?

GSL Builder Multilingual is free to download, with no in-app purchases.

### Is Feynman Nurse free?

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

### Do GSL Builder Multilingual or Feynman Nurse have ads?

Neither GSL Builder Multilingual nor Feynman Nurse shows ads.

### Which is updated more often, GSL Builder Multilingual or Feynman Nurse?

GSL Builder Multilingual ships an update every 108 months, and Feynman Nurse every 4 months. Most recently, GSL Builder Multilingual was updated on September 15, 2026 and Feynman Nurse on September 17, 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.*