LeetCard vs QuantDojo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LeetCard
Prepare for coding interviews with AI-powered flashcards and adaptive learning. Master data structures, algorithms, and coding patterns with personalized plans and intelligent hints. Track your progress with detailed analytics to identify weak areas and stay motivated.
- AI-powered hints
- Personalized study plans
- Smart flashcards
- Clean organization
- Personalized dashboard
- Detailed analytics
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LeetCard is an AI-powered coding interview prep app that helps you master problems through smart flashcards, adaptive learning, and focused practice. Whether you're brushing up on fundamentals or grinding LeetCode Hard, LeetCard keeps you on track with personalized plans, clean organization, and intelligent hints - so you never get stuck. Key Features: • AI-powered hints for every problem, powered by OpenAI • Personalized study plans that adapt to your level • Smart flashcards for fast, on-the-go review • Clean organization of problems, notes, and progress • A personalized dashboard to stay focused and motivated • Detailed analytics to monitor growth and spot weak areas Support: • Privacy Policy: https://www.kubicle.studio/leetcard/privacy.html • Terms and Conditions: https://www.kubicle.studio/leetcard/terms.html
QuantDojo
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QuantDojo is the only app built specifically for quant finance interview prep. 1,300+ brain teasers and growing, covering every question type you'll face at top firms. WHAT YOU GET • 1,300+ brain teasers across Probability, Statistics, Combinatorics, Logic, and Game Theory • Questions tagged by firm — Jane Street, Citadel, Two Sigma, DE Shaw, Optiver, SIG, HRT, IMC, and more • 3 progressive hints per question to guide your thinking • Full step-by-step solutions with mathematical explanations • Spaced repetition to lock in what you've learned • Track your accuracy by category and difficulty HOW IT WORKS Pick a category, difficulty, or target firm and start solving. Reveal hints when you're stuck. Check the full solution when you're ready. Mark questions as solved or send them to your review queue. QuantDojo tracks your weak spots and resurfaces questions at the right intervals. WHO IT'S FOR • Students prepping for quant interviews • Career switchers moving into quant finance • Working professionals staying sharp PRICING Subscribe monthly or annually, or get lifetime access with a single purchase. Free users can preview 3 full solutions before subscribing. Privacy: All your data stays on your device. We collect nothing. Terms of Use: https://elilindt.github.io/quantdojo-site/terms.html Privacy Policy: https://elilindt.github.io/quantdojo-site/privacy.html
Screenshots
Verdict
The clearest difference is ads: QuantDojo at none against LeetCard's shown. On price, in-app purchases, device support 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. LeetCard sells 3 in-app purchases, starting at $3.99 per month and QuantDojo sells 3 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | LeetCard | QuantDojo |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (75 ratings) — better | — |
| Positive reviews | 53.8% of reviews | — |
| Number of ratings | 75 — better | — |
| Update frequency | Every 2 days | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 124 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Kubicle LLC | Elias Lindbergs |
In-app purchases
LeetCard
- LeetCard Pro$3.991 Month
- LeetCard Pro3 Days trial$24.991 Year
- LeetCard Pro$39.99
QuantDojo
- Monthly$12.991 Month
- Annual$79.991 Year
- Lifetime Access$199.99









