Blu - SAT Vocab
Words Unlock Your SAT Odyssey
About
Master SAT vocabulary with daily, focused lessons. This app prioritizes high-yield words and uses spaced repetition for effective learning. Practice words in context with SAT-style questions and track your progress honestly.
What's New in Blu
2.5.1
October 11, 2026
2.5.1 · Fixed the update sheet's layout and localized "What's New" text. · Stability improvements.
MoreSubscriptions & In-App Purchases
Blu Pro Monthly
Full library, audio, more AI daily
Developer apps
FAQ
What is the core learning method of Blu?
Blu uses a spaced repetition system to bring words back right before you'd forget them, ensuring long-term retention. It focuses on the 500 highest-yield words first, then expands the library as you master them.
How does Blu help with SAT-style questions?
Blu includes practice exercises that mimic the digital SAT's format, specifically focusing on choosing the precise word for a given sentence. This helps users develop the exact skill tested on the exam.
What is included in the free version of Blu?
The free version of Blu provides access to the core 500 words, full audio pronunciation, and one 20-word lesson per day. This allows users to get started with effective vocabulary building without immediate cost.
What are the benefits of Blu Pro?
Blu Pro unlocks an advanced library of over 2,300 words, offers unlimited daily lessons, provides 4x more AI explanations, and includes double streak freezes. It's designed for users who want to accelerate their vocabulary mastery.
How much does Blu Pro cost?
Blu Pro is available as a subscription with two options: $9.99 per month or $59.99 per year. The annual plan includes a 7-day free trial.
How can I manage or cancel my Blu Pro subscription?
Your Blu Pro subscription is auto-renewable and managed through your App Store account settings. You can cancel at least 24 hours before the current period ends to avoid further charges.
What devices does Blu support?
Blu is currently supported on iPhones. Progress syncs across devices when you sign in with Apple.
How often is Blu updated?
The latest version of Blu is 2.1.2, and it was last updated on September 5, 2026. This indicates a relatively active development cycle for the app.
