JingHu uses on-device AI to block spam before it reaches you. All data stays on your device — your privacy is guaranteed.
Multi-layer AI protection — from number identification to content analysis
CallScreeningService-based caller ID & blocking, with Android 8.0+ compatibility
Dual-engine keyword matching + AI content analysis for precise spam & phishing detection
Naive Bayes + MobileBERT dual models, on-device inference, works offline
SQLCipher database encryption + Android Keystore key management for maximum security
SMS content 100% local, cloud queries use irreversible hashing, never uploads your data
Custom blocklist/allowlist, keyword filtering, number prefix matching for all needs
Your data belongs to you — we never collect personal information
All SMS content analyzed locally, never uploaded to servers
SQLCipher-encrypted database with hardware-derived keys
Cloud lookups use irreversible hashing, original numbers never sent
TLS 1.3 encrypted communication with Certificate Pinning
Free to use — protect your phone today
Full features with Firebase analytics
v1.0.0 · 24.12 MB · Android 8.0+
Download APKPure FOSS, no proprietary dependencies
v1.0.0 · 15.98 MB · Android 8.0+
Get on F-Droid