# communicable diseases vs WHOPEN

The clearest difference is iOS requirement: communicable diseases at 6.0 against WHOPEN's 11.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

communicable diseases ships an update every 4 months, WHOPEN every 2 months. The most recent releases landed on October 26, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | communicable diseases | WHOPEN |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 11 MB | 12 MB |
| Requires iOS | **6.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [rahul baweja](https://appshunter.io/developer/804610215) | [World Health Organization](https://appshunter.io/developer/1462736279) |

## What reviewers say

### communicable diseases

[App page](https://appshunter.io/ios/app/communicable-diseases/id1076218266)

**Features:** macOS Compatibility

**In-app purchases:** none


### WHOPEN

[App page](https://appshunter.io/ios/app/whopen/id1566338877)

This application supports healthcare providers in managing non-communicable diseases within primary care settings. It offers adaptable guidelines, protocols, and a cardiovascular disease risk calculator based on WHO materials.

**Highlights:** NCD intervention implementation, Primary health care focus, Adaptable guidelines and protocols, Cardiovascular disease risk calculator, Capacity building materials

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is communicable diseases free?

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

### Is WHOPEN free?

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

### Do communicable diseases or WHOPEN have ads?

Neither communicable diseases nor WHOPEN shows ads.

### Which is updated more often, communicable diseases or WHOPEN?

communicable diseases ships an update every 4 months, and WHOPEN every 2 months. Most recently, communicable diseases was updated on October 26, 2026 and WHOPEN on October 13, 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.*