# MD on Call vs PHECC Field Guide App

The clearest difference is price: PHECC Field Guide App at Free against MD on Call's $9.99. MD on Call's advantage is update cadence (every 4 months vs every 38 months). On rating, ratings volume, ads and in-app purchases there is nothing between them.

PHECC Field Guide App 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.

On the App Store both sit at effectively the same score — 5.0 for MD on Call against 5.0 for PHECC Field Guide App. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

MD on Call ships an update every 4 months, PHECC Field Guide App every 38 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | MD on Call | PHECC Field Guide App |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/md-on-call/id333195169/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/phecc-field-guide-app/id1491341517/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 78.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 38 months |
| Monetization | Paid | **Free** |
| Size | 17 MB | 17 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Messil inc.](https://appshunter.io/developer/333195172) | [Pre-Hospital Emergency Care Council](https://appshunter.io/developer/915358728) |

## What reviewers say

### MD on Call

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

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


### PHECC Field Guide App

[App page](https://appshunter.io/ios/app/phecc-field-guide-app/id1491341517)

This medical reference app provides quick access to medication calculations and clinical guidelines for practitioners. It features an age-per-page medication listing, linked CPGs, and pregnancy notes for medications. Designed for field use, it aids in infrequent clinical encounters.

**Highlights:** Medication dose calculator, Age-per-page medication listing, Linked Clinical Practice Guidelines, Medications in Pregnancy notes, Update notifications, Future CPG switching

**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 PHECC Field Guide App free?

PHECC Field Guide App is free to download, with no in-app purchases.

### Which has better reviews, MD on Call or PHECC Field Guide App?

MD on Call and PHECC Field Guide App are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do MD on Call or PHECC Field Guide App have ads?

Neither MD on Call nor PHECC Field Guide App shows ads.

### Which is updated more often, MD on Call or PHECC Field Guide App?

MD on Call ships an update every 4 months, and PHECC Field Guide App every 38 months. Most recently, MD on Call was updated on October 29, 2026 and PHECC Field Guide App 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.*