# IMPACT vs 針藥 (Ampoule)

IMPACT and 針藥 (Ampoule) are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | IMPACT | 針藥 (Ampoule) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 114 MB | 49 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Infection Control Branch, Centre for Health Protection, Department Of Health, HKSAR](https://appshunter.io/developer/592326133) | [The Chinese University of Hong Kong](https://appshunter.io/developer/369070876) |

## 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


### 針藥 (Ampoule)

[App page](https://appshunter.io/ios/app/ampoule/id1498747523)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IMPACT free?

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

### Is 針藥 (Ampoule) free?

針藥 (Ampoule) is free to download, with no in-app purchases.

### Do IMPACT or 針藥 (Ampoule) have ads?

Neither IMPACT nor 針藥 (Ampoule) shows ads.

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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.*