ReBrain vs FlashBrain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReBrain
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ReBrain is a flashcard learning app powered by a spaced repetition algorithm based on the forgetting curve. Instead of simple repetition, cards are shown at the optimal timing based on how well you remember them—helping you learn efficiently and retain information long-term. Features ・Multiple study modes: Learn with flashcards, typing, multiple-choice quizzes, and red-sheet mode. ・Quick Search: Instantly look up words with a single tap. ・Smart Study: Review based on the forgetting curve. Cards you struggle with appear more frequently, while well-learned cards appear less often. ・Custom themes (Pro): Personalize the app with different colors, fonts, and icons. There are no ads in the app, and all learning-related features are completely free. Additional customization options require a purchase. For more details, please visit our website. Site: https://rebrainapp.studio.site Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https:// rebrainapp.studio.site/privacypolicy
FlashBrain
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FlashBrain - Study Smarter, Remember Forever Whether you're preparing for the SAT, learning a new language, or building professional expertise, FlashBrain gives you the power to master any subject with AI-powered flashcards and scientifically proven spaced repetition. WHY FLASHBRAIN? - AI Deck Generation: Write your topic, let AI instantly create flashcards, questions, and explanations - FSRS Algorithm: Uses the scientifically-backed Free Spaced Repetition Scheduler approach - Forgetting Curve Tracking: Visualize your memory with graphs and automatically identify critical cards - Memory Status: See how strong each card is in your memory; track daily, weekly, and monthly retention percentages - 4 Study Modes: Flip cards, multiple choice, typing, and audio for varied learning - 20+ Categories: Exam prep, language learning, medicine, law, math, and more - 30+ Language Support WHO IS IT FOR? Students preparing for SAT, ACT, AP exams, college students studying for finals and midterms, graduate students preparing for GRE, GMAT, LSAT, MCAT, language learners and those preparing for TOEFL/IELTS, medical, law, and engineering students, professionals seeking long-term knowledge retention SCIENCE-BACKED LEARNING FlashBrain uses the FSRS (Free Spaced Repetition Scheduler) algorithm. Research shows that spaced repetition significantly strengthens memory compared to traditional study methods. KEY FEATURES AI-Powered Deck Creation: Write your topic, class notes, or any text—AI automatically generates cards, questions, and answers. No more manual card creation hassle! Smart Scheduling System: Study at the perfect time with "Today's Cards," "Difficult Cards," and "Critical Cards" feeds. The app automatically calculates optimal review timing for each card. Four Different Study Modes: - Flip Cards: Classic flashcard flipping experience - Multiple Choice: Learn in quiz format - Typing Mode: Reinforce with active recall - Audio Mode: Learn by listening, rest your eyes Flexible Deck Management: Combine multiple decks in one session for cross-topic learning. Mix any categories you want. Explore & Community: Thousands of ready-made decks! Add community-created decks to your library, share your own. Categories: Language Learning, Exam Prep, Medicine, Law, Math, History, Geography, Science, and more. Detailed Statistics & Tracking: - Weekly and monthly progress graphs - Total card count and study time - Correct/incorrect ratios and success trends - Study streaks and motivation tracking - Performance analytics Memory Status Indicator: See what percentage of each card is retained healthily in your memory. Track daily, weekly, and monthly status of cards; quickly reinforce weak ones! HOW IT WORKS 1. Create decks manually or with AI, or use community-ready decks 2. Study in your preferred mode (flip, quiz, typing, or audio) 3. The app calculates optimal review timing based on your performance 4. Cards appear exactly when your memory needs refreshing 5. Continuously monitor progress with forgetting curve graphs and memory status percentages PREMIUM FEATURES With FlashBrain Premium subscription: - 50 AI credits automatically added to your account each month - Unlimited AI-powered card and deck creation - Advanced statistics and detailed analytics - Memory status and retention percentages - Full access to all study modes STUDY TIPS - Daily consistent study: Even 10-15 minutes makes a difference - Prioritize cards with low memory status - Try different modes, use what works for you - Check statistics, see progress, stay motivated - Get inspired by community decks SUBSCRIPTION TERMS - Payment will be charged to your Apple ID account upon confirmation of purchase - Subscriptions automatically renew - Renewal charges occur 24 hours before the current period ends - Manage or cancel your subscription anytime via Settings > Apple ID > Subscriptions Terms of Use: https://flashbrain.app/terms Privacy Policy: https://flashbrain.app/privacy
Screenshots
Verdict
The clearest difference is iOS requirement: FlashBrain at 16.6 against ReBrain's 18.2. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. ReBrain sells 3 in-app purchases, starting at $1.99 per month and FlashBrain sells 5 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | ReBrain | FlashBrain |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.2 | 16.6 — better |
| Further details — not scored | ||
| Size | 86 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | ryota hatazawa | KAYAHAN SARISOY |
In-app purchases
ReBrain
- ReBrain Pro 月額$1.991 Month
- ReBrain Pro 年額$5.991 Year
- ReBrain Pro 買い切り$9.99
FlashBrain
- FlashBrain Monthly$7.991 Month
- FlashBrain Yearly$39.991 Year
- 100 FlashBrain AI Credits$4.99
- 500 FlashBrain AI Credits$14.99
- 1000 FlashBrain AI Credits$24.99









