# Chronic Diseases vs Concise Infectious Diseases

The clearest difference is in-app purchases: Chronic Diseases at none against Concise Infectious Diseases's 4. Chronic Diseases also leads on iOS requirement (7.1 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Concise Infectious Diseases sells 4 in-app purchases, starting at $2.99 per month. Chronic Diseases asks for nothing beyond the download.

## The numbers

| Metric | Chronic Diseases | Concise Infectious Diseases |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Size | 41 MB | 48 MB |
| Requires iOS | **7.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [rahul baweja](https://appshunter.io/developer/804610215) | [RER MedApps](https://appshunter.io/developer/1720150558) |

## What reviewers say

### Chronic Diseases

[App page](https://appshunter.io/ios/app/chronic-diseases/id1086355241)

**Features:** macOS Compatibility

**In-app purchases:** none


### Concise Infectious Diseases

[App page](https://appshunter.io/ios/app/concise-infectious-diseases/id6757497364)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $24.99 | per year |
| Lifetime Access - 50% Off | $24.99 | one-time |
| Lifetime Access | $49.99 | one-time |


## Frequently asked questions

### Is Chronic Diseases free?

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

### Is Concise Infectious Diseases free?

Concise Infectious Diseases is free to download, with in-app purchases available.

### Do Chronic Diseases or Concise Infectious Diseases have ads?

Neither Chronic Diseases nor Concise Infectious Diseases 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.*