# Classify Rx for pharmacology vs IDSA Practice Guidelines

The clearest difference is review sentiment: Classify Rx for pharmacology at 60% against IDSA Practice Guidelines's 0%. Classify Rx for pharmacology also leads on update cadence (every 3 months vs every 7 months). IDSA Practice Guidelines's advantage is price (Free vs $18.99) and rating (4.8 vs 3.7). On ads, in-app purchases and device support there is nothing between them.

IDSA Practice Guidelines is free to download; Classify Rx for pharmacology costs $18.99 up front. Neither carries in-app purchases, so what you see is what you pay.

IDSA Practice Guidelines holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: IDSA Practice Guidelines has 826 ratings behind it against 11, so its average is the more settled of the two. Written reviews complicate that: 60% of Classify Rx for pharmacology's written reviews are positive against 0% of IDSA Practice Guidelines's, so the app with the better star average is not the one people write more warmly about.

Classify Rx for pharmacology ships an update every 3 months, IDSA Practice Guidelines every 7 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | Classify Rx for pharmacology | IDSA Practice Guidelines |
| --- | --- | --- |
| Price | $18.99 | **Free** |
| Rating | [3.7 (11 ratings)](https://appshunter.io/ios/app/classify-rx-for-pharmacology/id1196636271/reviews) | **[4.8 (826 ratings)](https://appshunter.io/ios/app/idsa-practice-guidelines/id1478886375/reviews)** |
| Number of ratings | 11 | **826** |
| Positive reviews | **60.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Paid | **Free** |
| Size | 126 MB | 105 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Nishith Sekhar Revappala](https://appshunter.io/developer/1466617406) | [Infectious Diseases Society of America](https://appshunter.io/developer/1477996603) |

## What reviewers say

### Classify Rx for pharmacology

[App page](https://appshunter.io/ios/app/classify-rx-for-pharmacology/id1196636271)

This app provides a concise review of pharmacology for medical and paramedical students. It offers drug classifications, descriptions, and mnemonics in a simple format, with offline access for on-the-go learning. Ideal for exam preparation and professional knowledge brushing up.

**Highlights:** Drug classification by system, Drug and topic descriptions, 100+ illustrations, Search functionality, Mnemonics, Bookmark difficult topics, Offline mode

**Features:** Vision Pro support

**In-app purchases:** none


### IDSA Practice Guidelines

[App page](https://appshunter.io/ios/app/idsa-practice-guidelines/id1478886375)

Access and stay updated with the latest clinical guidelines from the Infectious Diseases Society of America. This app offers interactive tools, search functionality, and the ability to bookmark key information and take notes for healthcare professionals.

**Highlights:** Access clinical guidelines, Interactive tools, Search guidelines, Bookmark pages, Take notes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Classify Rx for pharmacology free?

Classify Rx for pharmacology costs $18.99, with no in-app purchases.

### Is IDSA Practice Guidelines free?

IDSA Practice Guidelines is free to download, with no in-app purchases.

### Which has better reviews, Classify Rx for pharmacology or IDSA Practice Guidelines?

IDSA Practice Guidelines is rated higher. Classify Rx for pharmacology averages 3.7 out of 5 from 11 ratings, while IDSA Practice Guidelines averages 4.8 from 826 ratings.

### Do Classify Rx for pharmacology or IDSA Practice Guidelines have ads?

Neither Classify Rx for pharmacology nor IDSA Practice Guidelines shows ads.

### Which is updated more often, Classify Rx for pharmacology or IDSA Practice Guidelines?

Classify Rx for pharmacology ships an update every 3 months, and IDSA Practice Guidelines every 7 months. Most recently, Classify Rx for pharmacology was updated on October 26, 2026 and IDSA Practice Guidelines 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.*