Gamified Vocabulary Mastery for English Learners
ThirtyB is a mobile app that turns English vocabulary building into a competitive, gamified experience.
State of the Art Learning App
Modeled after U.S. standardized test formats, it challenges users with synonym-based multiple-choice questions across five unique modes. Each day, players get 30 minutes to earn points, climb leaderboards, and master over 3,000 words using adaptive learning, spaced repetition, and instant feedback. With analytics, social accountability, and handwriting-powered bonus boosters, ThirtyB makes deep learning fast, focused, and fun.
100 Progressive Levels
Learn 30 words per level. Score perfectly on three 10-question rounds to advance—missed words reappear with smart spaced repetition
Mastered Levels Review
Revisit completed levels anytime for stress-free practice and bonus points, no risk to your progress.
Flexible Practice Mode
Access any level instantly, use optional hints, and explore vocabulary freely without progression barriers.
Personalized Challenge
Auto-curated quizzes focus on your weakest words, with higher point multipliers to reward targeted improvement.
Word War X (No Mercy Mode)
Battle the hardest words from all levels for the highest scores and elite vocabulary growth.
Bonus Booster & Word of the Day
Handwrite words to earn 2× point vouchers; discover a new word daily with definitions and example sentences.
Why the Name ThirtyB?
The name ThirtyB was born from a simple yet powerful insight: true mastery doesn’t require endless hours—it thrives in focused, high-impact bursts. Frustrated by apps that rewarded marathon sessions and punished balanced lives, we designed ThirtyB around a daily 30-minute window, where every second counts and every answer sharpens the mind. Your leaderboard score reflects only your best 30 minutes each day, ensuring students who prioritize sleep, sports, and real-world connections can still dominate against even the most obsessive gamers. No one falls behind for living well. Simultaneously, “ThirtyB” encourages setting an ambitious academic goal: to elevate standardized test performance—whether SSAT, ISEE, or beyond—by at least 30 points in word comprehension. An aspirational goal rooted in adaptive questioning, spaced repetition, and precision feedback, all compressed into a daily ritual that respects both ambition and equilibrium. Thirty minutes. Thirty points. One transformative habit.
30 Minutes per Day
- Focused Intensity Over Endless Grinding: ThirtyB enocurages daily play at 30 minutes to turn learning into a sharp, high-stakes sprint—proving mastery comes from depth, not duration.
- Balanced Lives Win Leaderboards: Only your best 30-minute score counts each day, so students who sleep, play sports, or study other subjects stay competitive without burning out.
- Guardrails Against Addiction: By design, the app focus is on 30 minutes, protecting young learners from the trap of all-day gaming while rewarding consistency and quality.
30 Percent Score Boost Goal
- Precision-Targeted Test Prep: Every question mirrors SSAT/ISEE synonym challenges, engineered to lift word comprehension scores.
- Data-Driven Confidence: Adaptive algorithms track progress and aims to anchieve improvement through spaced repetition and immediate, example-rich feedback on every miss.
- “ThirtyB” encourages setting an aspirational goal—30 more points on real exams—turning abstract ambition into a daily, achievable micro-victory.
State-of-the-Art Word Database
The word database powering ThirtyB stands as a meticulously engineered cornerstone of the platform, forged through a rigorous, multi-layered curation process that blends cutting-edge AI refinement with human expertise. Every term has been sourced from high-reliability repositories—most notably the Kuperman-BRM frequency corpus, which ranks words by real-world usage across millions of texts—ensuring learners encounter vocabulary that is both practical and progressively challenging. This foundation is enriched by thousands of authentic synonym questions pulled from official SSAT and ISEE practice materials, supplemented by vetted exercises from leading test-prep publishers and classic synonym workbooks used in elite classrooms. But the true depth comes from the frontline: countless of seasoned teachers and professional tutors—specialists in middle school admissions, gifted programs, and ESL instruction—have reviewed, ranked, and stress-tested each entry for clarity, relevance, and teachability. AI then stress-maps difficulty gradients, assigns precise levels, and generates context-rich example sentences that reinforce meaning without ambiguity. The result? A living lexicon of 3,000 words, sequenced not by guesswork but by data, experience, and intent—delivering the exact terms students need, in the exact order they need them, to conquer exams and command language with confidence.
Data-Driven Confidence
- Kuperman-BRM frequency data ensures words appear in real exams, not obscure dictionaries.
- Adaptive engine recalibrates after each miss, guaranteeing mastery before level-up.
- Delivers visible progress graphs that turn “I think I’m improving” into “I climbed 3 levels this week.”
Focused on the Modern Student
For generations, vocabulary mastery was forged in the quiet pages of books, magazines, and newspapers—slow, deliberate immersion that rewarded patience and built fluency almost by osmosis. But today’s students—Gen Z and the rising Gen Alpha—live in a world engineered for speed and distraction: YouTube Shorts, TikTok loops, memes, and endless gaming streams have replaced the printed word as the default gateway to knowledge and entertainment. Parents wage daily wars over screen time, while the once-reliable path to word acquisition feels like cruel and unusual punishment. Meanwhile, the testing landscape has quietly transformed into a high-stakes gauntlet. The end of “flagging” in the early 2000s—cemented by DOJ guidance in 2015—opened the floodgates for accommodations, with over 65% of test-takers now receiving extra time, most without clinical need. Test makers responded by ratcheting up difficulty, packing more sophisticated vocabulary into tighter windows for the unaccommodated majority. The result? A perfect storm: students are pulled further from deep reading and pushed toward harder exams, leaving them linguistically underprepared and time-starved. ThirtyB steps into this breach with surgical precision—delivering 10-question micro-assessments that mirror the length of a YouTube Short (1–3 minutes), each laser-focused on high-yield synonyms nestled in vivid, relatable sentences drawn from sports, science, history, and the arts. No week-long novels required; no 20-word gamble per book. Instead, learners absorb targeted, exam-relevant terms with up to 21 times the efficiency of traditional reading comprehension. ThirtyB doesn’t aim to replace the joy of literature—it simply bridges the gap between where students are and where tests demand they be, all within the fleeting windows of a modern attention span.
Collapse of Traditional Reading
- Baby Boomers and Gen X built fluency through books, magazines, and newspapers.
- Gen Z and Gen Alpha default to YouTube Shorts, TikTok, and gaming—prioritizing speed over depth.
- Parents face endless screen-time battles; forcing a novel feels like punishment.
ThirtyB’s Micro-Dose Solution
- 10-question rounds last 1–3 minutes—same as a viral clip, no week-long commitment.
- Context-rich sentences from sports, science, history, and arts make every word stick instantly.
- Pilot users reported a perceived 20-25 times higher efficiency versus traditional randomized reading.
Precision-Guided Mentorship
ThirtyB transforms solitary study into a connected, accountable ecosystem by granting Supporters—parents, tutors, or friends—free, full-view access to a student’s real-time dashboard, turning passive encouragement into precision-guided mentorship. Once a Supporter requests a secure connection (approved with a single tap by the student), they unlock a granular lens into every session: overview of missed words, streak consistency, level velocity, and point trajectories down tot he smallest detail. Tutors can instantly weave ThirtyB’s data into broader SSAT/ISEE strategies—pairing synonym gaps with analogy drills or reading passages during live sessions—without ever guessing where the cracks are. Parents, meanwhile, trade screen-time battles for verifiable micro-goals: “Hit your 30 minutes with 1,200 points today and earn an extra 30 minutes of screentime.” Friends become friendly rivals, sparking mini-competitions via shared leaderboards that celebrate daily bests, not all-nighters. Because Supporters see exactly which words trip a student up—complete with the app’s example sentences and definitions—they can trigger targeted conversations (“Let’s act out ‘belligerent’ with your soccer team drama”) or slip the term into dinner-table banter, embedding it kinesthetically and socially. This isn’t surveillance; it’s synchronized reinforcement—a lightweight, consent-driven bridge that folds ThirtyB’s 30-minute bursts into any test-prep playbook, family routine, or peer circle, ensuring every stakeholder pulls in the same direction with zero extra effort.
Effective Mentoring Through Real-Time Data
- Supporters see detailed overviews of missed words, streak trends, and point trajectories instantly.
- Tutors review “challenging-word reports” to align ThirtyB gaps with analogy or passage drills in live sessions.
- Friends spark healthy rivalries via shared leaderboards that reward daily peaks, not marathon play.
Seamless Integration into Daily Life and Test Prep
- Parents can tie extra gaming minutes to clear targets: “30 minutes of ThirtyB and 1,200 points = 30 more minutes of screentime.”
- Consent-driven connections let students approve Supporters with one tap—no creepy oversight.
- Missed words become teachable moments: a parent slips “obstreperous” into dinner chat or a tutor role-plays “capitulate” with soccer scenarios
“The 30-minute cap is genius. Kids stay sharp, parents stay sane, and I can track exactly who’s mastering Level 50 vs. camping on Level 20.”
Harry K
Test Prep Coach, New York
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