Comparison

Passe Covid vs Sniffly

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Passe Covid

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
Read full description

Passe Covid can be used by everyone, including air companies, organizers of cultural, corporate, sporting and family events (such as weddings and baptisms), so that we can get back to normal days and our freedom, in safety. The application may be used by entities to validate certificates issued by all Member States of the European Union, Iceland, Liechtenstein, Norway and Switzerland. The application validates the authenticity of the EU Digital Covid Certificate and the compliance with the Portuguese validation criteria defined by health authorities (Decree-Law No. 54-A/2021). How to use it? Point the camera of your phone to read the QR code of the presented Digital Certificate COVID.The certificate may be presented on paper or in digital format. The app will automatically check the certificate. A green light result means that the certificate has been successfully validated. A result with red sign means that the certificate is not valid (the validation includes verification of the authenticity of the certificate and compliance with the health rules defined by the DGS). This application does not guarantee the security of the holder of the COVID Digital Certificate in relation to COVID-19, nor their identity, serving only to validate the authenticity of the certificate. The presentation of the COVID Digital Certificate does not serve as a form of identification of the bearer, always lacking the presentation of a valid and legitimate official identification document Protection of Personal Data The application does not store any kind of personal data. More information:https://ec.europa.eu/info/live-work-travel-eu/coronavirus-response/safe-covid-19-vaccines-europeans/eu-digital-covid-certificate_en

About

Sniffly

Features
Read full description

Feeling sniffly? Sniffly helps you recover smarter! Tell Sniffly how you're feeling - your symptoms, how bad it is, and how long you've been sick. In seconds, you get a personalized recovery plan with practical advice on rest, nutrition, OTC medication, and when it's time to see a doctor. Track your recovery day by day. Check off what you've tried. See if you're getting better. **PERSONALIZED RECOVERY PLANS** Recommendations tailored to your exact symptoms. **PROGRESS TRACKING** Check off remedies as you try them. See your recovery progress at a glance. **SYMPTOM JOURNAL** Every recovery plan is saved. Look back at your illness history and spot trends over time. *Sniffly gives you general wellness guidance — not medical advice. Always consult a healthcare professional for serious symptoms.*

Screenshots

Passe Covid4 screens
Sniffly4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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

Scorecard1 real difference · 9 level
Passe Covid versus Sniffly: the parameters behind the verdict, then further details
ParameterPasse CovidSniffly
PriceFreeFree
Rating2.3 (3 ratings) — better—
Positive reviews17.6% of reviews—
Number of ratings3 — better—
Update frequencyFortnightlyEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size29 MB31 MB
Age rating4+4+
DeveloperImprensa Nacional-Casa da Moeda S.A.Christian Wehle

In-app purchases

None

Passe Covid

No in-app purchases

None

Sniffly

No in-app purchases

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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