# IMPACT vs PharmCare

The clearest difference is update cadence: PharmCare at weekly against IMPACT's every 3 months. IMPACT's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

IMPACT ships an update every 3 months, PharmCare weekly. The most recent releases landed on June 25, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | IMPACT | PharmCare |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | — |
| Size | 114 MB | 36 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Infection Control Branch, Centre for Health Protection, Department Of Health, HKSAR](https://appshunter.io/developer/592326133) | [acesobee limited](https://appshunter.io/developer/1071497305) |

## What reviewers say

### IMPACT

[App page](https://appshunter.io/ios/app/impact/id592326130)

This medical reference app provides health professionals with guidelines on appropriate antimicrobial drug use. It incorporates the latest scientific evidence and local pathogen data to combat antimicrobial resistance and improve patient care.

**Highlights:** Antimicrobial drug usage guidelines, Empirical therapy for infections, Treatment of infections with known pathogens, Surgical prophylaxis data, Pathogen prevalence and sensitivity patterns, Safe antibiotic use tips, Penicillin allergy management

**Features:** macOS Compatibility

**In-app purchases:** none


### PharmCare

[App page](https://appshunter.io/ios/app/pharmcare/id1663110134)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IMPACT free?

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

### Is PharmCare free?

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

### Do IMPACT or PharmCare have ads?

Neither IMPACT nor PharmCare shows ads.

### Which is updated more often, IMPACT or PharmCare?

IMPACT ships an update every 3 months, and PharmCare weekly. Most recently, IMPACT was updated on June 25, 2026 and PharmCare on September 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.*