Is Einstein's Riddle safe?

FEATURES: - 100% Privacy: Fully offline play. No data collection, tracking, or network requests required. - Completely Ad-free: No ads, no interruptions. - No Trackers: Zero analytics, zero telemetries, zero third-party SDKs. - Infinite Levels: Unlimited dynamically generated logic puzzles with guaranteed unique solutions. Daily Challenge is same for everyone.

Developer: Sidhant
Category: Puzzle Game
Earliest archived version: 02 Sept 2026
License: GPL-3.0-only (per F-Droid metadata)

02 / Package identity

Technical fingerprint

Application IDcom.sidhant.einsteinriddle

Latest APK SHA-25621c7d2dbfaa48e79c9e429730b0e43c2431b5f79d17aadf4233507b5586a4c1d

Signing certificate18:04:6A:EE:E9:D4:4A:9F:6D:61:94:7F:CE:FC:EB:6D:EE:6C:D2:40:67:B7:A7:A9:C3:9C:1F:E7:30:55:2A:8C

MIN ANDROID24TARGET36ARCHITECTUREx86_64

03 / History

Archive history

2 versions in WIKI archive: earliest 1.0.3 (02 Sept 2026), latest 1.0.4 (11 Sept 2026).

No change in android.permission.* between 1.0.3 and 1.0.4.

04 / Version archive

Documented releases

2 TOTAL

VersionReleasedAndroidArchitecture

1.0.411 Sept 202624+x86_64→1.0.302 Sept 202624+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

Permissions1 declared · 0 sensitive

Signaturepresent

Anti-featuresNo known anti-features

Sensitive accessNo sensitive permissions

Declared permissions

com.sidhant.einsteinriddle.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↗