WIKIfor AndroidBETA
Directory/Internet/AmberSOURCE-BACKED RECORD
Amber app icon
maintained

Amber

com.greenart7c3.nostrsigner

Nostr event signer for Android

Latest documented release6.6.916 Oct 2026 · 36.5 MB→
⬇ Download APK6.6.9 · 36.5 MBPublisher site ↗

01 / Overview

Is Amber safe?

Amber is a nostr event signer for Android. It allows users to keep their nsec segregated in a single, dedicated app. The goal of Amber is to have your smartphone act as a NIP-46 signing device without any need for servers or additional hardware. "Private keys should be exposed to as few systems as possible as each system adds to the attack surface," as the rationale of said NIP states. In additio…

Developer
greenart7c3
Category
Internet
Earliest archived version
07 Sept 2026
License
MIT (per F-Droid metadata)

02 / Package identity

Technical fingerprint

Application IDcom.greenart7c3.nostrsigner
Latest APK SHA-256c41902b2aa23f9f48bd1fa711becf38e034f4f59a4523a7f6be6c8367fcb7a52
Signing certificate56:DC:63:19:96:A5:5C:22:84:79:04:48:C7:DC:9F:1D:D0:5D:F5:96:B2:CE:48:82:31:36:33:F5:60:2E:5F:E4
MIN ANDROID26TARGET37ARCHITECTUREarm64-v8a · armeabi · armeabi-v7a · mips · mips64 · x86 · x86_64

03 / History

Archive history

8 versions in WIKI archive: earliest 6.6.1 (07 Sept 2026), latest 6.6.9 (16 Oct 2026).

No change in android.permission.* between 6.6.8 and 6.6.9.

04 / Version archive

Documented releases

8 TOTAL
VersionReleasedAndroidArchitecture
6.6.926+arm64-v8a, armeabi, armeabi-v7a, mips, mips64, x86, x86_64→6.6.826+arm64-v8a, armeabi, armeabi-v7a, mips, mips64, x86, x86_64→6.6.726+arm64-v8a, armeabi, armeabi-v7a, mips, mips64, x86, x86_64→6.6.626+arm64-v8a, armeabi, armeabi-v7a, mips, mips64, x86, x86_64→6.6.526+arm64-v8a, armeabi, armeabi-v7a, mips, mips64, x86, x86_64→6.6.426+arm64-v8a, armeabi, armeabi-v7a, mips, mips64, x86, x86_64→6.6.326+arm64-v8a, armeabi, armeabi-v7a, mips, mips64, x86, x86_64→6.6.126+arm64-v8a, armeabi, armeabi-v7a, mips, mips64, x86, 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
Permissions15 declared · 3 sensitive
Signaturepresent
Anti-featuresNo known anti-features
Sensitive accessCAMERAREAD_EXTERNAL_STORAGEWRITE_EXTERNAL_STORAGE

Declared permissions

android.permission.ACCESS_NETWORK_STATEandroid.permission.CAMERAandroid.permission.CHANGE_NETWORK_STATEandroid.permission.FOREGROUND_SERVICEandroid.permission.FOREGROUND_SERVICE_SPECIAL_USEandroid.permission.INTERNETandroid.permission.POST_NOTIFICATIONSandroid.permission.READ_EXTERNAL_STORAGEandroid.permission.RECEIVE_BOOT_COMPLETEDandroid.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONSandroid.permission.USE_BIOMETRICandroid.permission.USE_FINGERPRINTandroid.permission.WAKE_LOCKandroid.permission.WRITE_EXTERNAL_STORAGEcom.greenart7c3.nostrsigner.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↗