# Passe Covid vs Sniffly

The clearest difference is iOS requirement: Passe Covid at 13.0 against Sniffly's 15.1. 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.

Passe Covid ships an update fortnightly, Sniffly every 11 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Passe Covid | Sniffly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/passe-covid/id1574312811/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 17.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | Free | — |
| Size | 29 MB | 31 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Imprensa Nacional-Casa da Moeda S.A.](https://appshunter.io/developer/1367188525) | [Christian Wehle](https://appshunter.io/developer/1885553418) |

## What reviewers say

### Passe Covid

[App page](https://appshunter.io/ios/app/passe-covid/id1574312811)

This app validates the authenticity and compliance of EU Digital COVID Certificates. It scans QR codes from paper or digital certificates, providing a green light for valid entries and a red sign for invalid ones. It does not store personal data and is intended for use by individuals and organizations to facilitate safe access to events and travel.

**Highlights:** QR code scanning, Certificate validation, Authenticity check, Compliance verification, Real-time results (green/red light), No personal data storage

**Features:** macOS Compatibility

**In-app purchases:** none


### Sniffly

[App page](https://appshunter.io/ios/app/sniffly/id6760657704)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Passe Covid free?

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

### Is Sniffly free?

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

### Do Passe Covid or Sniffly have ads?

Neither Passe Covid nor Sniffly shows ads.

### Which is updated more often, Passe Covid or Sniffly?

Passe Covid ships an update fortnightly, and Sniffly every 11 days. Most recently, Passe Covid was updated on November 3, 2026 and Sniffly on October 31, 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.*