Review - Spaced Repetition

Boondoggle Labs

In-app purchases

About this app

Stop cramming. Start remembering.

Review is a smarter way to study. Unlike flashcard apps, Review works with the material you already have—textbook chapters, lecture notes, video courses, or any topic you want to master.

Just add what you're studying, and the app handles the rest.

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📚 HOW IT WORKS

1️⃣ Add Your Topics
Add anything you want to remember: "Chapter 4: The Nervous System," "Lecture 12: Graph Theory," or "Unit 3: Ancient India." Organize by project for complete control.

2️⃣ Study Your Way
Open your textbook, watch your lecture, or review your notes—however you prefer. Review reminds you what to study and when.

3️⃣ Mark Your Progress
After each session, rate your confidence: Relearn, Hard, Good, or Easy. The algorithm adapts and calculates your perfect next review date.

4️⃣ Build Long-Term Memory
Topics progress from Unseen → Learning → Developing → Mastered. Watch your knowledge grow over time.

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🧠 THE SCIENCE BEHIND IT

Studies show we forget up to 90% of what we learn within a week. This is called the "Forgetting Curve."

Spaced repetition fights this natural decay by scheduling reviews at the exact moment before you forget—so you spend less time on what you already know and more time mastering what you don't.

Review uses a state-of-the-art algorithm that adapts to you, analyzing your review history and topic difficulty to calculate the optimal next review.

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🎯 PERFECT FOR

Students — Remember textbook chapters and lectures for exams
Medical & Law Students — Retain complex topics from Anatomy to Company Law
Self-Learners — Master online courses and programming concepts
Lifelong Learners — Keep any knowledge fresh
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✨ FEATURES

✓ Topics, not flashcards — Review entire chapters and concepts
✓ Smart scheduling — Algorithm calculates optimal review times
✓ Calendar view — See what's due today, this week, and beyond
✓ Projects — Organize topics by subject, course, or book
✓ Progress tracking — Watch topics move from unseen to mastered
✓ Daily reminders — Never miss a study session*
✓ Cloud sync — Pick up where you left off on any device*
✓ Dark mode — Easy on the eyes
✓ Beautiful Material design — Clean, modern interface

*Premium feature

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💎 PREMIUM (ONE-TIME PURCHASE)

Unlock the full power of Review with a single lifetime purchase:

Cloud Backup & Sync across all devices
Daily Reminders for your study tasks
Support indie development
No subscriptions. Pay once, use forever.

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Review is built by a student who wanted to study smarter without converting everything into flashcards. Spaced repetition should work with your existing materials, not replace them.

Questions?
[e-mail]

Ratings and reviews

Not bad. However, I wish the notes supported markdown for advanced formatting, and that pasting long notes into the web app didn't break the interface. As a workaround, I put Notion links in the task notes, but this experience could also be improved, since the links aren't recognized as clickable, so I'm forced to copy and paste them manually for revision. Overall, it has immense potential with vast room for improvement.

really good app!! does what it says. however, id really like it if we could edit the date we're starting to a task AFTER making the task. i create many tasks quickly on one day, and now they're all due on the same day so it's a bit irritating

This does what it say, an spaced repetition calender. Ads free, generous free tier. Feature Request: Calendar Integration, Markdown support.