# MD on Call vs CPS by CPhA

The clearest difference is review sentiment: MD on Call at 78% against CPS by CPhA's 10%. MD on Call also leads on rating (5.0 vs 1.0) and chart position (#177 vs unranked). CPS by CPhA's advantage is price (Free vs $9.99) and iOS requirement (14.2 vs 16.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

CPS by CPhA is free to download; MD on Call costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MD on Call holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 78% of MD on Call's written reviews are positive against 10% of CPS by CPhA's.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 22, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | MD on Call | CPS by CPhA |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/md-on-call/id333195169/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/cps-by-cpha/id428293181/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | **78.1% of reviews** | 9.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | **Paid** | Subscription |
| Best chart rank | **#177** | — |
| Size | 17 MB | 177 MB |
| Requires iOS | 16.0 | **14.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Messil inc.](https://appshunter.io/developer/333195172) | [Canadian Pharmacists Association (CPhA)](https://appshunter.io/developer/1373388211) |

## What reviewers say

### MD on Call

[App page](https://appshunter.io/ios/app/md-on-call/id333195169)

**Currently charting:** #177 Top Paid · Medical (US App Store)

This app provides quick, practical guidance for physicians, residents, and medical students to manage common on-call issues. It offers concise tips for acute assessment and management, helping users efficiently address patient problems without needing to consult lengthy textbooks.

**Highlights:** Quick assessment and management tips, Covers 26 frequent on-call situations, Management of common electrolyte abnormalities, ECG interpretation with examples, Guidance on writing medical orders, Searchable by acronyms and keywords

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Handy checklist for on-duty
- 👍 Useful in ER
- 👍 Great app design
- 👍 Packed with useful info
- 👍 Pragmatic content

**What reviewers complain about**

- 👎 Could cover more content
- 👎 Needs update for iPhone X
- 👎 Content and references outdated
- 👎 Needs a refresh
- 👎 More conditions could be added

**Reported bugs**

- Incompatible with iPhone X
- Incorrect advice regarding Metaclopramide
- Incorrect TDF to morphine conversion data

**Requested features**

- Cover more content
- Update for iPhone X compatibility
- Revise content and references for up-to-date information
- Add more conditions
- Include common diseases and treatments


### 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


## Frequently asked questions

### Is MD on Call free?

MD on Call costs $9.99, with no in-app purchases.

### Is CPS by CPhA free?

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

### Which has better reviews, MD on Call or CPS by CPhA?

MD on Call is rated higher. MD on Call averages 5.0 out of 5 from 1 ratings, while CPS by CPhA averages 1.0 from 2 ratings.

### Do MD on Call or CPS by CPhA have ads?

Neither MD on Call nor CPS by CPhA shows ads.

### Which is updated more often, MD on Call or CPS by CPhA?

MD on Call ships an update every 4 months, and CPS by CPhA every 4 months. Most recently, MD on Call was updated on September 22, 2026 and CPS by CPhA on September 14, 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.*