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OnThiTDN
Optimize exam prep with AI and the 80/20 principle
OnThiTDN is an AI-powered web app that optimizes competitive exam prep using the 80/20 rule. It automatically tracks learning paths, pinpoints knowledge gaps by topic, and provides real-time insights for parents to maximize exam results.
I’m Manh, the maker behind OnThiTDN.
As a software engineer and a father, I watched my child overwhelm themselves with endless practice tests while preparing for a highly competitive 6th-grade entrance exam. It hit me: traditional exam prep is often a "brute-force" approach—high pressure, low efficiency, and zero data optimization.
That’s why I built OnThiTDN to bring data-driven efficiency to young learners.
Here is how it works:
The 80/20 Approach: Instead of practicing aimlessly, the app focuses 80% of efforts on the critical 20% of knowledge gaps that will yield the biggest score improvements.
AI-Driven Diagnostics: Our AI tracks every response, instantly pinpointing exact weak spots by specific micro-topics (Logic Math, English, Science).
Parent Insights: It bridges the gap between parents and kids by providing real-time progress tracking, turning anxiety into actionable support.
While the current version is localized for a major entrance exam in Vietnam (Trần Đại Nghĩa school), the underlying core logic of personalized micro-topic analysis and 80/20 optimization is something I aim to scale globally for competitive exams.
I’d love to get your feedback on the UX/UI, the personalization flow, or any ideas on EdTech micro-learning!
Thank you so much for your support! 🚀
About OnThiTDN on Product Hunt
“Optimize exam prep with AI and the 80/20 principle”
OnThiTDN was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #93 on the daily leaderboard. OnThiTDN is an AI-powered web app that optimizes competitive exam prep using the 80/20 rule. It automatically tracks learning paths, pinpoints knowledge gaps by topic, and provides real-time insights for parents to maximize exam results.
On the analytics side, OnThiTDN competes within Education and Online Learning — topics that collectively have 82.3k followers on Product Hunt. The dashboard above tracks how OnThiTDN performed against the three products that launched closest to it on the same day.
Who hunted OnThiTDN?
OnThiTDN was hunted by Manh Nguyen. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of OnThiTDN including community comment highlights and product details, visit the product overview.
Manh Nguyen