Hashcards vs FSRS Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hashcards
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Hashcards is a free spaced repetition scheduler app that helps you remember what you study. No subscription. No account required. Works completely offline. Just open it and start learning. Most flashcard apps either charge you monthly, force you to create an account, or use outdated algorithms that waste your time. Hashcards is different. It uses FSRS - the most advanced spaced repetition algorithm available - to schedule your reviews at exactly the right moment. You study less and remember more. Why Students Choose Hashcards Hashcards was built for people who are serious about learning but tired of apps that get in the way. Whether you're preparing for medical exams, learning a new language, or studying math-heavy material, Hashcards adapts to how your memory works and helps you retain knowledge long-term. Features - FSRS Spaced Repetition - Predicts when you'll forget and reviews you right before it happens - AI Flashcard Maker - Generate flashcards from any topic using AI - 100% Offline - Study on the subway, on a plane, or anywhere without Wi-Fi - Built-In Math Keyboard - LaTeX support for equations, formulas, and scientific notation - No Account Required - Open the app and start studying immediately - Completely Free - No subscription, no ads, no hidden paywalls - Rich Card Editor - Add images, text formatting, and mathematical notation - Progress Tracking - Visualize your learning stats and review schedule - Dark Mode - Easy on the eyes during late-night study sessions AI Flashcard Generator (Pay as you go) Don't want to spend hours making flashcards? Tell Hashcards what you want to learn, and AI creates study cards for you in seconds. Just type a topic, and your deck is ready. The fastest way to go from "I need to learn this" to actually studying. How It Works 1. Create flashcards manually or let AI generate them for you 2. Study your cards - Hashcards uses FSRS to show the right card at the right time 3. Watch your knowledge stick as the algorithm adapts to your memory No setup, no tutorials, no configuration. Just open and learn. Built for Students - Medical students studying anatomy, pharmacology, and pathology - Chemistry students memorizing reactions, structures, and equations - Math students reviewing formulas, theorems, and proofs - Language learners building vocabulary in any language - STEM students who prefer handwritten cards digitized with photos - Law students reviewing case law and legal concepts - Nursing students preparing for NCLEX - Anyone preparing for MCAT, USMLE, bar exams, CPA, or certifications What Is FSRS? FSRS (Free Spaced Repetition Scheduler) is a research-backed algorithm that learns how your memory works. Unlike older scheduling systems, FSRS adapts to your individual forgetting patterns and schedules each review at the optimal moment. You spend less time reviewing and retain more. The Only Flashcard App with a Math Keyboard Most flashcard apps treat math as an afterthought. Hashcards has a built-in math keyboard so you can create flashcards with equations, integrals, matrices, and chemical formulas - no workarounds needed. If you study anything with formulas, this changes everything. Truly Offline Many popular flashcard apps require an internet connection. Hashcards works completely offline. Your flashcards live on your device. Study anywhere - no Wi-Fi needed, no cloud dependency, no sync issues Spaced Repetition Without the Complexity Other spaced repetition tools are powerful but overwhelming - steep learning curves, complicated setups, and plugins. Hashcards gives you the same advanced algorithm with a clean, modern interface anyone can use from day one. No plugins, no desktop app, no configuration. We're Just Getting Started Hashcards is actively developed and improving. Your feedback shapes what we build next. Found a bug? Shake your phone in the app to report it. Download Hashcards today. Learn it. Keep it. Remember it.
FSRS Mobile
A native flashcard app for iPhone and iPad that allows users to import existing decks and study using a spaced repetition system. It supports offline review with local media and offers tools for card creation, editing, and progress tracking.
- Import .apkg deck packages
- FSRS spaced repetition study
- Offline review with local media
- Rich text card creation and editing
- Browse and search cards
- Track study progress and streaks
- Home Screen widgets and reminders
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FSRS Mobile is a native flashcard app for iPhone and iPad, built for people who already have decks and want a focused way to review them anywhere. Import .apkg deck packages, keep your media available offline, and study with FSRS spaced repetition. No subscription. No required account. Just open your deck and start reviewing. KEY FEATURES - Import .apkg deck packages from Files or the iOS share sheet - Study with FSRS spaced repetition and four clear review ratings - Review offline with local media, images, audio, HTML, cloze cards, and LaTeX support - Create and edit cards with rich text, tags, images, audio, and cloze helpers - Browse and search cards across your collection - Track retention, streaks, review history, and upcoming workload - Use Home Screen widgets and daily reminders to keep your habit visible - Export decks back to .apkg when you want to move or back up your cards FSRS Mobile is designed for language learners, medical students, certification prep, and anyone who studies from large flashcard decks on iOS. PRIVACY Anonymous product analytics and optional in-app feedback help improve FSRS Mobile. No account, advertising, session replay, or personal identifiers are used. Your decks and review history stay on your devices.
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Verdict
The clearest difference is in-app purchases: FSRS Mobile at none against Hashcards's 4. Hashcards's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement 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. Hashcards sells 4 one-off in-app purchases. FSRS Mobile asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 16, 2026 and September 19, 2026 respectively.
| Parameter | Hashcards | FSRS Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 75 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Ahmad Atallah | Timothy Krechel |
In-app purchases
Hashcards
- 50 Flashcard Generation Credits$0.99
- 200 Flashcard Generation Credits$2.99
- 500 Flashcard Generation Credits$4.99
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- 2000 Flashcard Generation Credits$9.99
FSRS Mobile
No in-app purchases









