# CPS by CPhA vs CDN STBBI Guidelines

The clearest difference is review sentiment: CDN STBBI Guidelines at 100% against CPS by CPhA's 10%. CDN STBBI Guidelines also leads on monetization model (free vs subscription). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 14, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | CPS by CPhA | CDN STBBI Guidelines |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/cps-by-cpha/id428293181/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 9.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Subscription | **Free** |
| Size | 177 MB | 28 MB |
| Requires iOS | 14.2 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Canadian Pharmacists Association (CPhA)](https://appshunter.io/developer/1373388211) | [Health Canada](https://appshunter.io/developer/408663392) |

## What reviewers say

### CPS by CPhA

[App page](https://appshunter.io/ios/app/cps-by-cpha/id428293181)

Access essential, evidence-based drug information for healthcare professionals. Choose between drug monographs or full access with therapeutic guidance and tools. Stay updated with critical warnings and advisories.

**Highlights:** Evidence-based drug monographs, Therapeutic information, Non-prescription therapy guidance, Drug tables and algorithms, Medical calculators, Critical updates and warnings

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

**In-app purchases:** none


### CDN STBBI Guidelines

[App page](https://appshunter.io/ios/app/cdn-stbbi-guidelines/id958263397)

This app offers Canadian health professionals current recommendations for screening, diagnosing, managing, and treating sexually transmitted infections (STIs). It's based on updated guidelines and complementary resources, focusing on uncomplicated STIs in adults and youth.

**Highlights:** STI screening recommendations, Diagnosis guidance, Management protocols, Treatment strategies, Antibiotic-resistant gonorrhea updates, Concise and easy-to-use format

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

**In-app purchases:** none


## Frequently asked questions

### Is CPS by CPhA free?

CPS by CPhA is free to download, with no in-app purchases.

### Is CDN STBBI Guidelines free?

CDN STBBI Guidelines is free to download, with no in-app purchases.

### Do CPS by CPhA or CDN STBBI Guidelines have ads?

Neither CPS by CPhA nor CDN STBBI Guidelines shows ads.

### Which is updated more often, CPS by CPhA or CDN STBBI Guidelines?

CPS by CPhA ships an update every 4 months, and CDN STBBI Guidelines every 4 months. Most recently, CPS by CPhA was updated on September 14, 2026 and CDN STBBI Guidelines on June 5, 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.*