# COVapp vs MASTHAVE

The clearest difference is update cadence: COVapp at every 3 weeks against MASTHAVE's every 6 weeks. COVapp also leads on iOS requirement (9.0 vs 13.0). On price, ads, 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.

COVapp ships an update every 3 weeks, MASTHAVE every 6 weeks. The most recent releases landed on October 16, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | COVapp | MASTHAVE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/covapp/id1508483782/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 6.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 119 MB | 33 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Your Research B.V.](https://appshunter.io/developer/1504669925) | [Moxie GmbH](https://appshunter.io/developer/1609430942) |

## What reviewers say

### COVapp

[App page](https://appshunter.io/ios/app/covapp/id1508483782)

Participate in scientific research by logging daily symptoms and accessing information about viruses. The app prioritizes user privacy by not collecting personal data beyond manually entered symptoms after consent is given.

**Highlights:** Daily symptom diary, Virus information and FAQs, Scientific research participation, User consent for data collection, Privacy-focused data handling

**In-app purchases:** none


### MASTHAVE

[App page](https://appshunter.io/ios/app/masthave/id6482291236)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is COVapp free?

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

### Is MASTHAVE free?

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

### Do COVapp or MASTHAVE have ads?

Neither COVapp nor MASTHAVE shows ads.

### Which is updated more often, COVapp or MASTHAVE?

COVapp ships an update every 3 weeks, and MASTHAVE every 6 weeks. Most recently, COVapp was updated on October 16, 2026 and MASTHAVE on September 30, 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.*