# David Master vs AllergiApp

The clearest difference is ads: David Master at none against AllergiApp's shown. David Master also leads on update cadence (every 4 days vs every 2 weeks) and iOS requirement (13.0 vs 15.1). On price, 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.

David Master ships an update every 4 days, AllergiApp every 2 weeks. The most recent releases landed on September 26, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | David Master | AllergiApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 15 MB | 45 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Davide Nicolas de Martinis](https://appshunter.io/developer/1797046028) | [Marta Di Muro](https://appshunter.io/developer/1875324483) |

## What reviewers say

### David Master

[App page](https://appshunter.io/ios/app/david-master/id6742142605)

**Features:** macOS Compatibility

**In-app purchases:** none


### AllergiApp

[App page](https://appshunter.io/ios/app/allergiapp/id6758859853)

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

**In-app purchases:** none


## Frequently asked questions

### Is David Master free?

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

### Is AllergiApp free?

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

### Do David Master or AllergiApp have ads?

AllergiApp shows ads; David Master does not.

### Which is updated more often, David Master or AllergiApp?

David Master ships an update every 4 days, and AllergiApp every 2 weeks. Most recently, David Master was updated on September 26, 2026 and AllergiApp on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*