# Viatris GBR Guide vs RxFlip

The clearest difference is review sentiment: Viatris GBR Guide at 78% against RxFlip's 0%. Viatris GBR Guide also leads on price (Free vs $4.99) and rating (4.7 vs 4.0). RxFlip's advantage is ads (none vs shown) and update cadence (every 5 days vs every 6 months). On in-app purchases and device support there is nothing between them.

Viatris GBR Guide is free to download; RxFlip costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Viatris GBR Guide holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Viatris GBR Guide has 601 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 78% of Viatris GBR Guide's written reviews are positive against 0% of RxFlip's.

Viatris GBR Guide ships an update every 6 months, RxFlip every 5 days. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Viatris GBR Guide | RxFlip |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.7 (601 ratings)](https://appshunter.io/ios/app/viatris-gbr-guide/id551091728/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/rxflip/id6742325477/reviews) |
| Number of ratings | **601** | 3 |
| Positive reviews | **77.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | **Ad-supported** | Paid |
| Best chart rank | — | **#200** |
| Size | 38 MB | 30 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Viatris Inc](https://appshunter.io/developer/1609910654) | [ClinCalc LLC](https://appshunter.io/developer/519557126) |

## What reviewers say

### Viatris GBR Guide

[App page](https://appshunter.io/ios/app/viatris-gbr-guide/id551091728)

This app provides U.S. healthcare professionals with a cross-referenced directory of generic and brand pharmaceuticals. It allows for quick identification of brand names for generic drugs and vice versa.  It also displays Viatris product details when available.

**Highlights:** Generic-to-Brand Cross-Reference, Brand-to-Generic Cross-Reference, Alphabetical drug index, Smart search capabilities, Viatris product details

**Features:** macOS Compatibility

**In-app purchases:** none


### RxFlip

[App page](https://appshunter.io/ios/app/rxflip/id6742325477)

**Currently charting:** #200 Top Paid · Medical (US App Store)

Master essential outpatient medications with interactive flashcards and quizzes. This learning tool focuses on high-yield drug facts, ideal for healthcare students and professionals preparing for exams.

**Highlights:** Flashcard and quiz modes, Customizable study selections, Smart quizzing algorithms, Adaptive learning, Drug pronunciation audio, Customizable drug database

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

**In-app purchases:** none


## Frequently asked questions

### Is Viatris GBR Guide free?

Viatris GBR Guide is free to download, with no in-app purchases.

### Is RxFlip free?

RxFlip costs $4.99, with no in-app purchases.

### Which has better reviews, Viatris GBR Guide or RxFlip?

Viatris GBR Guide is rated higher. Viatris GBR Guide averages 4.7 out of 5 from 601 ratings, while RxFlip averages 4.0 from 3 ratings.

### Do Viatris GBR Guide or RxFlip have ads?

Viatris GBR Guide shows ads; RxFlip does not.

### Which is updated more often, Viatris GBR Guide or RxFlip?

Viatris GBR Guide ships an update every 6 months, and RxFlip every 5 days. Most recently, Viatris GBR Guide was updated on November 1, 2026 and RxFlip on November 8, 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.*