articles and knowledge

A full review of TOPIK Ready, the Korean exam prep app for TOPIK I and II: 3,000+ words, complete Hangul, 95 grammar lessons, listening, reading, writing practice and full mock exams. Works offline, free to download.

A review of AI Cost Management for Android: five calculators for GPU idle waste, LLM token cost and AI unit economics, a FinOps roadmap and a 12-chapter handbook. Fully offline, no ads, on Google Play.

A full review of ENGLISH พิชิต A-Level 1000, a ChatStick app with 1,000 original practice questions for Thailand's A-Level English exam, detailed Thai explanations, timed mock exams and weak-point training.

An in-depth review of Math2 A-Level Ready, the iPhone and iPad app for Thailand's A-Level Applied Mathematics 2: 11 chapters, 599+ questions with full solutions, 9 practice modes, timed mock tests and offline study. Free to download.

A review of Automotive Multimeter Guide for Android: 10 calculators, 20 guided measurements and a 12-chapter car electrical guide. Offline, no ads.