Is Signet safe?

When someone who sounds like your mother calls in a panic asking for bail money, Signet lets you verify it's actually her. Each paired contact generates a rotating 4-word phrase that only the real person's phone can produce. You ask her to read her phrase aloud; you type what you hear. Green banner: verified. Red banner: something's wrong — hang up and call her back on a number you already trust.…

Developer: digital-grease
Category: Phone & SMS
First release: 14 Jun 2026
License: Not documented

02 / Package identity

Technical fingerprint

Application IDdev.digitalgrease.signet

Latest APK SHA-256defc53fbf543606637a359b46e005f0106a8ae8ffc236e79375b1009088f4107

Signing certificateDC:F0:EE:50:7C:8A:7D:2D:BF:18:A3:8B:8D:23:2F:7D:C6:AF:EB:3F:78:CE:A7:CD:EB:91:AC:6C:3B:0B:1D:36

MIN ANDROID28TARGET36ARCHITECTUREx86_64

03 / History

Project timeline

14 Jun 2026

Package observed in source index

Metadata and versions observed from the fdroid repository index.

04 / Version archive

Documented releases

1 TOTAL

VersionReleasedAndroidArchitecture

0.3.614 Jun 202628+x86_64→

05 / Safety & access

Safety verdict

Authentic — file hash matches the source indexNo ads or tracking flagged by the source

IntegritySHA-256 verified vs source

SourceOpen-source · fdroid

Permissions6 declared · 4 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessCAMERAREAD_EXTERNAL_STORAGERECORD_AUDIOWRITE_EXTERNAL_STORAGE

Declared permissions

android.permission.ACCESS_NETWORK_STATE android.permission.CAMERA android.permission.READ_EXTERNAL_STORAGE android.permission.RECORD_AUDIO android.permission.WRITE_EXTERNAL_STORAGE dev.digitalgrease.signet.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Tracker status: Not assessed by WIKI for Android.

06 / Sources

Evidence ledger

Each entry is a captured public reference backing this record.

RepositorySource package page↗Source codeSource repository↗