AlgoCards vs Codelingo
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.
Codelingo
Prepare for coding interviews with a structured, gamified roadmap. Practice daily with bite-sized lessons and track your progress to build confidence for technical rounds.
- Guided roadmap for DSA
- Interview-style problems
- Bite-sized mini sessions
- Progress tracking
- Gamified motivation system
- Reinforce topics
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Get interview-ready, one lesson at a time. Codelingo helps you prepare for coding interviews with a guided roadmap built for consistency, confidence, and real progress. Whether you are starting with fundamentals or polishing for technical rounds, you can practice daily in short, structured lessons that fit your schedule. Why candidates use Codelingo for interview prep: - Guided roadmap that breaks data structures and algorithms into manageable lessons - Interview-style problems that simulate real technical interview thinking - Bite-sized mini sessions so you can study even on busy days - Progress tracking to keep your momentum and spot what to review - Hearts/streak-style motivation to stay consistent until interview day Train smarter, not longer: - Build core DSA intuition with step-by-step concepts and practice - Strengthen pattern recognition for common interview question types - Revisit lessons and replay topics you want to reinforce - Keep your prep routine going with a clear next step every time you open the app If your goal is to walk into interviews feeling prepared and confident, Codelingo gives you a practical daily system to get there. Terms https://www.codelingo.pro/terms
Screenshots
Verdict
The clearest difference is in-app purchases: AlgoCards at none against Codelingo's 2. Codelingo's advantage is ads (none vs shown) and update cadence (every 2 days vs every 9 days). On price, 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. Codelingo sells 2 in-app purchases, starting at $12.99 per month. AlgoCards asks for nothing beyond the download.
AlgoCards ships an update every 9 days, Codelingo every 2 days. The most recent releases landed on September 24, 2026 and July 6, 2026 respectively.
| Parameter | AlgoCards | Codelingo |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 9 days | Every 2 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 61 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryan Hamby | Rian Corcino |
In-app purchases
AlgoCards
No in-app purchases
Codelingo
- Codelingo Pro Monthly14 Days trial$12.991 Month
- Codelingo Pro Yearly1 Month trial$119.991 Year





