Math Easy Note Review: Thai Grade 7-9 Math App with 670+ Problems
Junior high math is where many students start to feel the gap between understanding a lesson in class and actually solving problems on a test. Usually the cause is simple: formulas are not memorized well, the big picture of each chapter is missing, and practice is irregular. A good Thai lower secondary math app should fix all three at once, with clear summaries, worked practice problems and a review system that makes knowledge stick.
In this review, ChatStick takes a close look at Math Easy Note ม.1-ม.3 (Mathayom 1 to 3, roughly grades 7 to 9): what is inside, which features stand out, how to use it well, and what it costs.
What is Math Easy Note ม.1-ม.3?
Math Easy Note is a math review app for Thai junior high school students, designed to feel like a bright, colorful notebook. It covers 33 chapters across all three levels, ม.1, ม.2 and ม.3. The interface is entirely in Thai, so it is best suited to students following the Thai curriculum, and you can start immediately without creating an account or logging in.
What is inside the app
33 chapters for ม.1-ม.3: all three years of lower secondary math in one place
66 summary lessons: concise explanations with step-by-step examples and illustrations
670+ practice problems: each with an answer key, a detailed solution, hints and common-mistake notes
50+ key formulas: collected in one bank, with flashcards for review
A mind map for every chapter: expandable to several levels of detail
Exam-style mock tests: with a timer and a weak-point analysis afterwards
Standout features for effective revision
Mistake notebook: wrong answers are saved automatically so you can retry them later
Smart Review and Quick Study: short sessions of 5, 10 or 20 minutes that fit into a busy day
Night-before-the-exam mode: highlights the key points for last-minute revision
Spaced repetition (SRS) for formulas: reviews are scheduled at intervals to help formulas stay in long-term memory
Progress tracking: streaks, XP, an exam-readiness score and summary graphs
Achievement badges and a daily challenge: small goals that encourage consistent study
Offline access: core lessons work without an internet connection
How to get the most out of it
Read the summary for the chapter you are studying at school, then open its mind map to see how the topics connect.
Practice by grade and difficulty level. When you get stuck, try the hint before opening the solution.
After every wrong answer, read the common-mistake note and clear the question later from the mistake notebook.
Spend 5 to 10 minutes a day in Quick Study to review formulas with flashcards.
About a week before an exam, take a timed mock test, check the weak-point analysis, and use the night-before mode on the final evening.
Tip: short daily sessions beat one long cram the night before. The streak and SRS features are built around steady, regular review.
Who will benefit most
Math Easy Note suits students who already attend math classes and want a structured way to review at home, as well as students who need to catch up on earlier chapters before moving to the next level. Because the content spans ม.1 to ม.3, a ม.3 student can go back to ม.1 topics without switching apps. Parents also get a clear view of progress through the streak, XP and readiness score.
App information at a glance
Name: Math Easy Note ม.1-ม.3
Price: free to download. An optional one-time purchase, Unlock All Features, costs ฿99 and unlocks all lessons, formulas and mock tests and removes ads, with no subscription. You can also watch short ads to unlock premium content temporarily.
Compatibility: iPhone (iOS 18.0 or later), iPad (iPadOS 18.0 or later), Mac with Apple M1 chip or later (macOS 15.0 or later) and Apple Vision (visionOS 2.0 or later)
Size: about 18.3 MB
Language: Thai
Age rating: 4+
Developer: ChatStick Company Limited
Frequently asked questions
Who is Math Easy Note for?
Thai students in ม.1 to ม.3 who want to review math for quizzes, midterms and finals, and parents looking for practice material with detailed solutions that children can use on their own.
Is it free?
Yes, it is free to download and use. If you want every lesson and mock test without ads, there is an optional one-time purchase of ฿99 with lifetime access and no monthly fee.
Does it work offline?
Yes. Core lessons are available offline, and no sign-up or login is required.
Are the questions taken from real exams?
No. The practice problems and mock tests are exam-style questions written by the development team for practice. They are not actual questions from any real exam.
Conclusion
If you are looking for a Thai lower secondary math app that combines summaries, mind maps, a formula bank, more than 670 worked problems and timed mock tests, Math Easy Note ม.1-ม.3 from ChatStick is well worth trying. Start free, and decide on the one-time unlock once you know it fits the way you study.
Explore all apps from ChatStick on the ChatStick developer page on the App Store
Comments