AI Prep
AI & Machine Learning Quiz App
Master AI and ML interviews with adaptive tests, a 20-level XP system, daily challenges, and 8,400+ curated questions — fully offline.
Adaptive MCQ tests across 12 AI/ML topics
XP system: Curious Learner → AI Grandmaster
Daily challenge with streak tracking
Analytics dashboard & weak-area detection
CallBlocker Pro
Privacy & Call Management
Block spam calls before they reach you. Simple to set up, stays out of your way, and keeps your data on your device — private by design.
Real-time call screening & blocking
Whitelist-only design — only allowed contacts get through
Contacts allowed by default, no manual setup needed
Emergency calls always go through
LangBlitz Soon
Smart English Vocabulary Builder
A focused vocabulary builder that helps you actually remember words, not just recognize them for a day. FSRS spaced repetition, deep word cards, and CEFR-leveled content built for exams and everyday fluency.
FSRS spaced repetition, scheduled by real memory strength
5,000+ curated words across 119 topic groups
CEFR levels A1 to C2, with a placement quiz
Exam-ready: IELTS, TOEFL, GRE, GMAT, CAT tags
Fully offline, no account required