# Drug Interactions vs Anasalva Interactions

The clearest difference is price: Anasalva Interactions at Free against Drug Interactions's $7.99. Drug Interactions's advantage is in-app purchases (none vs 3) and update cadence (every 3 months vs every 8 months). On ads, device support and iOS requirement there is nothing between them.

Anasalva Interactions is free to download; Drug Interactions costs $7.99 up front. Anasalva Interactions sells 3 in-app purchases, starting at $4.99 per month. Drug Interactions asks for nothing beyond the download.

Drug Interactions ships an update every 3 months, Anasalva Interactions every 8 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Drug Interactions | Anasalva Interactions |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Size | 1 MB | 46 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +17 | 17+ |
| Developer | [Pierre Chaillet](https://appshunter.io/developer/481949152) | [COMERCIAL ERNESFANY CORP](https://appshunter.io/developer/1497615791) |

## What reviewers say

### Drug Interactions

[App page](https://appshunter.io/ios/app/drug-interactions/id483813178)

**Features:** Vision Pro support

**In-app purchases:** none


### Anasalva Interactions

[App page](https://appshunter.io/ios/app/anasalva-interactions/id6504877954)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Anasalva Interactions 1 Month | $4.99 | per month |
| Anasalva Interactions 6 Months | $19.99 | per 6 months |
| Anasalva Interactions 1 Year | $29.99 | per year |


## Frequently asked questions

### Is Drug Interactions free?

Drug Interactions costs $7.99, with no in-app purchases.

### Is Anasalva Interactions free?

Anasalva Interactions is free to download, with in-app purchases available.

### Do Drug Interactions or Anasalva Interactions have ads?

Neither Drug Interactions nor Anasalva Interactions shows ads.

### Which is updated more often, Drug Interactions or Anasalva Interactions?

Drug Interactions ships an update every 3 months, and Anasalva Interactions every 8 months. Most recently, Drug Interactions was updated on October 24, 2026 and Anasalva Interactions on October 27, 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.*