Comparison

CPS by CPhA vs CDN STBBI Guidelines

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CPS by CPhA

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
Read full description

CPS (formerly RxTx) has a new appearance. CPS is still the reliable, evidence-based drug resource it has always been and provides essential drug information at the point-of-care for health care practitioners. Now offering two subscription options – CPS Drug Information or CPS Full Access. CPS Drug Information is the Canadian standard for drug monographs, containing thousands of products including monographs for drugs, vaccines, natural health products and medical devices, approved by Health Canada. CPS Full Access includes all content from CPS Drug Information and the most current, evidence-based therapeutic information and non-prescription therapy for most common conditions, with cross-referenced drug tables and algorithms and DC condition-based drug tables. Both subscriptions types provide critical updates such as warnings and advisories; and useful tools such as medical calculators.

About

CDN STBBI Guidelines

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
Read full description

Note: This application is intended for use by HEALTH PROFESSIONALS, and not the general public. For general information on sexually transmitted infections (STIs), refer to https://www.canada.ca/en/public-health/services/diseases.html This application provides Canadian health professionals with up-to-date recommendations for the screening, diagnosis, management, and treatment of STIs, including recommendations for antibiotic-resistant gonorrhea, in a convenient, concise, and easy to use format.
 It has been developed from the 2010 version of the Canadian Guidelines on Sexually Transmitted Infections (Guidelines) (http://www.phac-aspc.gc.ca/std-mts/sti-its/index-eng.php) and revised content from 2013 to 2016. These updates reflect emerging issues/trends affecting the management of STIs in Canada. Up-to-date information from other complementary resources has also been incorporated, including key recommendations from the HIV Screening and Testing Guide (2012) and the Management of Hepatitis B - Quick Reference (2013).
 The content is reflective of the most current evidence for the management of uncomplicated STIs in adults and youth only. It does not contain information for the management of STIs in pregnant women, children, neonates or complicated infections. 
 This application is intended to provide information to public health and clinical professionals and does not supersede any provincial/territorial legislative, regulatory, policy and practice requirements or professional guidelines that govern the practice of health professionals in their respective jurisdictions, whose recommendations may differ due to local epidemiology or context.

Screenshots

CPS by CPhA4 screens
CDN STBBI Guidelines4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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

Scorecard2 real differences · 8 level
CPS by CPhA versus CDN STBBI Guidelines: the parameters behind the verdict, then further details
ParameterCPS by CPhACDN STBBI Guidelines
PriceFreeFree
Rating1.0 (2 ratings) — better—
Positive reviews9.6% of reviews100.0% of reviews — better
Number of ratings2 — better—
Update frequencyEvery 4 monthsEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.213.0 — better
Further details — not scored
Size177 MB28 MB
Age rating17+17+
DeveloperCanadian Pharmacists Association (CPhA)Health Canada

Customer experience

CPS by CPhA

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews52 reviews
Positive9.6%
Neutral7.7%
Negative82.7%

CDN STBBI Guidelines

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CPS by CPhA

No in-app purchases

None

CDN STBBI Guidelines

No in-app purchases

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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