About this app
Blu makes the SAT's vocabulary finally stick. Instead of grinding a random 3,000-word list, Blu starts you on the 500 highest-yield words that actually move your score — the ones that show up again and again on the digital SAT — then expands as you master them. HOW IT WORKS - Find your level. A quick placement estimates your current SAT range. - A daily plan. Short, focused sessions: learn a few new words, review what's due. No cramming, no guilt. - Words in Context. Practice the exact skill the digital SAT tests — choosing the precise word for a sentence — with original, SAT-style questions. - Smart review. A spaced-repetition system brings each word back right before you'd forget it, so it sticks for test day. - Honest progress. Watch your estimated score climb from your baseline toward your target — real mastery, not a vanity streak. WHY BLU - The 500 core first: highest yield, least wasted effort. - Real example sentences plus clear definitions, etymology, and memory hooks for every word. - Audio pronunciation. - Calm, distraction-free design built for daily study. - Study free — no account needed to start. BLU PRO Unlock the full 2,300+ word advanced library, a higher daily AI-explanation limit, and everything Blu offers. Monthly or yearly, with a free trial on the annual plan. A few minutes a day is all it takes to make the SAT's words your own. Blu Pro is an auto-renewable subscription (monthly or yearly). Payment is charged to your Apple ID; it renews unless canceled at least 24 hours before the period ends. Manage or cancel in your App Store account settings. Terms of Use (EULA): https://sat.runwith.top/en/sat/terms Privacy Policy: https://sat.runwith.top/en/sat/privacy
Latest release
What’s New
New: your Streak page! Tap the flame at the top of Home for a practice calendar, streak stats, and your progress toward the next milestone. Streak Freeze — miss a day and a freeze auto-protects your streak. Free members get 1; Blu Pro gets 2. Earn them as you practice. Plus a refreshed Home top bar and a cleaner, faster Pro screen. Thanks for using Blu!
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 19, 2026 · 12:05 AM Free
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