AlgoCards vs LeetReviewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AlgoCards
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Master coding interviews with 390 problems, company-specific prep lists, and spaced repetition — completely free. The only app with dedicated trading firm and quant interview prep. Practice the exact problems asked at Google, Meta, Amazon, Citadel, Jane Street, Two Sigma, Goldman Sachs, and 20+ more companies. WHAT'S INSIDE: - 390 curated problems with detailed Python solutions - Company-specific problem lists for 30+ companies - SM-2 spaced repetition for optimal review scheduling - Flashcard mode for on-the-go review - Algorithm pattern cheat sheets with code templates - Weakness detection that adapts to your performance COMPANY-SPECIFIC PREP: Filter problems by company and see what they actually ask. Coverage includes: Trading Firms: Citadel, Citadel Securities, Jane Street, Two Sigma, Jump Trading, Hudson River Trading, IMC, DE Shaw, SIG, Virtu, Point72, Millennium FAANG & Big Tech: Google, Meta, Amazon, Apple, Microsoft, Netflix, Uber, Airbnb, LinkedIn, Stripe, TikTok, Databricks, Nvidia, OpenAI, Palantir, and more ALGORITHM PATTERNS: - Arrays & Hashing - Two Pointers & Sliding Window - Binary Search - Stack & Queue - Linked Lists - Trees & Tries - Graphs & BFS/DFS - Dynamic Programming - Greedy - Heaps & Priority Queues - Backtracking SMART REVIEW SYSTEM: 1. Study problems in flashcard or detail mode 2. Rate your confidence after each problem 3. AlgoCards schedules your next review at the scientifically optimal interval 4. Weakness detection identifies your weak patterns and prioritizes them 5. Build lasting pattern recognition, not temporary memorization WHO IT'S FOR: - Software engineers prepping for FAANG and Big Tech - Quant developers targeting trading firms - CS students preparing for internship interviews - Career switchers learning algorithms and data structures 100% FREE. No paywall. No ads. No subscriptions. Every problem, every solution, every feature. Download AlgoCards and prep smarter.
LeetReviewer
This app helps you retain LeetCode solutions long-term using spaced repetition. It schedules reviews based on your confidence and tracks your progress with a heatmap. Add notes to remember patterns and mistakes, syncing your data across devices.
- Spaced repetition review scheduling
- Confidence-based review timing
- Curated problem lists
- Progress tracking heatmap
- Note-taking for patterns
- Cross-device sync
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LeetReviewer helps you turn solved LeetCode problems into long-term memory. Organize problems, review past solutions, and stay consistent with personalized spaced-repetition scheduling. Solve it. Review it. Remember it.
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Verdict
The clearest difference is ads: LeetReviewer at none against AlgoCards's shown. On price, update cadence, 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. Neither carries in-app purchases, so what you see is what you pay.
AlgoCards ships an update every 9 days, LeetReviewer weekly. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.
| Parameter | AlgoCards | LeetReviewer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 9 days | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 61 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryan Hamby | Bo Li |
In-app purchases
AlgoCards
No in-app purchases
LeetReviewer
No in-app purchases
