# Rx Corner vs PTCB

The clearest difference is review sentiment: Rx Corner at 94% against PTCB's 45%. Rx Corner also leads on in-app purchases (none vs 2) and rating (4.9 vs 4.7). PTCB's advantage is ads (none vs shown) and ratings volume (557 vs 48). On price, monetization model, device support and iOS requirement there is nothing between them.

Both are free to download. PTCB sells 2 in-app purchases, starting at $24.99 per month. Rx Corner asks for nothing beyond the download.

Rx Corner holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: PTCB has 557 ratings behind it against 48, so its average is the more settled of the two. Written reviews point the same way: 94% of Rx Corner's written reviews are positive against 45% of PTCB's.

Rx Corner ships an update every 6 weeks, PTCB every 2 weeks. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Rx Corner | PTCB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (48 ratings)](https://appshunter.io/ios/app/rx-corner/id1512839596/reviews)** | [4.7 (557 ratings)](https://appshunter.io/ios/app/ptcb/id1558309982/reviews) |
| Number of ratings | 48 | **557** |
| Positive reviews | **94.4% of reviews** | 45.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 36 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Collishaw Technologies](https://appshunter.io/developer/1512839595) | [MastrAPI](https://appshunter.io/developer/1618627725) |

## What reviewers say

### Rx Corner

[App page](https://appshunter.io/ios/app/rx-corner/id1512839596)

This app offers a convenient way to study pharmaceutical information on the go. It helps users learn and memorize drug equivalents, indications, classes, sig codes, and dosing calculations through interactive quizzes. Users can also flag difficult questions for focused review.

**Highlights:** Brand and generic drug equivalents, Medication classes and indications, Sig codes and conversions, Randomly generated quiz questions, Starred list for difficult questions, Light and dark mode

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

**In-app purchases:** none


### PTCB

[App page](https://appshunter.io/ios/app/ptcb/id1558309982)

Prepare for your Pharmacy Technician Certification Exam with a personalized study plan. Practice with over 500 questions covering key knowledge domains and track your progress with detailed statistics. Boost your confidence to pass the exam on your first attempt.

**Highlights:** Personalized study plan, 500+ practice questions, Track strengths and weaknesses, Detailed test statistics, Compare scores to community average, Covers key pharmacy knowledge domains

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PTCB Pharmacy Technician | $24.99 | per month |
| Lifetime | $99.99 | one-time |

**What reviewers like**

- 👍 Detailed explanations for answers
- 👍 Helps users learn material
- 👍 Organizes study material
- 👍 Engaging and motivating study tool
- 👍 Good for test preparation

**What reviewers complain about**

-  repetitive questions
-  repetitive questions
-  repetitive questions
-  repetitive questions
-  poorly formatted math explanations

**Reported bugs**

- App does not update questions
- App does not work after purchase
- Charged for free trial

**Requested features**

- Update app questions regularly
- Improve formatting of math explanations


## Frequently asked questions

### Is Rx Corner free?

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

### Is PTCB free?

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

### Which has better reviews, Rx Corner or PTCB?

Rx Corner is rated higher. Rx Corner averages 4.9 out of 5 from 48 ratings, while PTCB averages 4.7 from 557 ratings.

### Do Rx Corner or PTCB have ads?

Rx Corner shows ads; PTCB does not.

### Which is updated more often, Rx Corner or PTCB?

Rx Corner ships an update every 6 weeks, and PTCB every 2 weeks. Most recently, Rx Corner was updated on September 23, 2026 and PTCB 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.*