Does that app respect your privacy?
Search any app. If we have scanned it, the evidence is here.
Evidence-based · Independent · Re-scanned on request
A privacy policy is not permission. An app should take what you allow, for what you agreed to, and no more.
It runs the app
An automated agent installs the app and uses it like a real person would.
It watches the data
Every network call, identifier and permission is recorded. Where your data goes.
It checks the limits
It checks consent, purpose, and how much leaves the phone. Re-tested on every release.
What the stamps mean
Ranked by how little of your data leaves the phone.
Gold
Your data goes to no one but the app's own service. No third parties, no tracking, no hidden identifiers.
Silver
Only essential third parties, like payments or crash reporting. No advertising, no tracking.
Bronze
More third parties involved. Some of your data goes to them, but no advertising trackers.
No stamp
Tested, but not certified. The facts are shown. The numbers tell you the rest.
Built an app? Want the stamp?
The stamp is earned on the evidence, not bought. Your app runs the same test as every other. The platform shows what it does and what to fix. Pass the standard and you get the stamp and a verified page, re-checked on every release. Stay clean, keep it.
Questions, answered
- What does evidence-based mean?
- We don't ask the app maker anything. An agent runs the app and records what it does. Findings are detected, not declared.
- What does independent mean?
- The app maker cannot influence the result. The scan observes behaviour, the same test for every app. Apps appear here whether or not they paid.
- How often is an app re-scanned?
- Certified apps are re-tested on every release. The rest are a snapshot from the date shown. If that date looks old, request a fresh scan.
- Can an app maker pay for a Gold stamp?
- No. They pay for the platform that tests the app. The stamp reflects what the test finds, nothing else.
- What happens if a paying customer fails?
- They get the stamp the evidence supports, or no stamp at all. The test is the same for everyone.
- How is Stempli funded?
- Searching is free. App makers pay for the Peak Privacy platform, which scans their app and shows what it does. The stamp reflects what the scan finds. It is not for sale.
- What does Stempli not cover?
- It looks at privacy. It is a market trust mark, not a government or medical approval.
- Who is behind Stempli?
- Peak Privacy, in Copenhagen. The same scanning engine is used by Denmark's Agency for Digital Government.
- Why do some apps have no stamp?
- Most apps here were never submitted by their maker. We tested them because the public has a right to know, sometimes prompted by a consumer or regulator. No stamp is not a fail. It means tested, not certified. You see what the app does either way. The full report, the one a maker uses to fix things, comes with the platform.