Comparison

AI ML Prep vs Ai_Engineering

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

AI ML Prep

Features
Read full description

Ace your AI and Machine Learning system design interviews with 226 questions used at top tech companies, including Google, Meta, Amazon, and more. Each question includes a structured expert answer, skill tags, and a 5-dimension rubric so you know exactly what interviewers look for: - Problem Framing - Technical Depth - System Thinking - Communication - Tradeoff Awareness Domains covered: - Recommendation Systems - NLP, LLMs, and Generative AI - Search and Ranking - Computer Vision - MLOps and Infrastructure - Fraud and Anomaly Detection - Ads and Click Prediction - Reinforcement Learning and Decision Systems - AI Agents and Content Safety How it works: 1. Get a daily question and build your streak 2. Think through your answer, then tap to reveal the expert answer 3. Record your answer with voice and score yourself on each rubric dimension 4. Mark questions as mastered as you improve Mock Interviews (Pro): Simulate a real ML system design interview with: - Quick Fire (15 minutes) - Standard Round (45 minutes) - Full Loop (90 minutes) You can focus on a specific domain or choose a random mix. Free tier: The first 4 easy questions in each domain are free. No time limit and no account required. Pro subscription: Unlock all 226 questions across all difficulty levels, plus: - Mock interviews - Company-specific filters - Voice practice recording Monthly and yearly plans are available. Built for ML engineers, data scientists, AI/LLM engineers, and computer science students preparing for FAANG and AI-first companies. Privacy Policy: https://lemon-tea-ai.github.io/aiml-interview-prep-legal/privacy/ Terms and Conditions: https://lemon-tea-ai.github.io/aiml-interview-prep-legal/terms/

About

Ai_Engineering

Features
Read full description

Become an AI engineerβ€”starting exactly where you are. Ai_Engineering is a complete, interactive learning environment for iPhone, iPad, and Mac. It begins with computing, Python, and mathematical intuition, then builds toward language models, retrieval, agents, evaluation, multimodal systems, inference, safety, infrastructure, and principal-level architecture. LEARN BY DOING β€’ 40 structured courses from beginner to advanced β€’ 400 substantive interactive lessons β€’ 140 editable, syntax-highlighted code labs β€’ 100 quizzes with validation and explanations β€’ 80 architecture decisions based on real trade-offs β€’ 80 guided concept exercises β€’ Progressive hints that help without giving the answer away BUILD A PORTFOLIO Complete 40 practical projects across beginner, intermediate, and advanced levels. Every build includes an editable workspace, milestones, local checks, and a clear outcome you can explain in an interview. YOUR PRIVATE AI TUTOR Ask questions from any lesson or project. Tutor Core explains ideas patiently from basic arithmetic upward, uses the current learning context, and can run offline. On compatible devices, Apple on-device intelligence adds private generative tutoring. Connecting an external provider is always optional. SEE YOUR AI TAKE SHAPE Every completed lesson, course component, and project milestone contributes to a living AI-construction visualization. Watch the neural system assemble as your skill grows. DESIGNED FOR SERIOUS PROGRESS Earn XP, build streaks, bookmark material, track skill readiness, choose daily goals, and move naturally between iPhone, iPad, and Mac. START FREE Download and begin without an account. The first module of every course is free, so you can experience the lessons, exercises, saved progress, and offline-first learning flow before deciding whether to upgrade. AI_ENGINEERING PRO Pro unlocks the complete 40-course curriculum, all 400 lessons and 140 code labs, all 40 portfolio projects, contextual Tutor Core, and the full progress experience across iPhone, iPad, and Mac. Choose Pro Monthly or Pro Annual. Eligible new subscribers can start with a 7-day free trial. The localized price and renewal period are shown before purchase. Payment is charged to your Apple Account when you confirm. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. You can restore purchases in the app and manage or cancel from Apple Account subscription settings. If a subscription expires or is cancelled, completed progress remains saved and the free tier remains available. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.lukekevinmclaughlin.com/privacy

Screenshots

AI ML Prep4 screens
Ai_Engineering4 screens

Verdict

The call

The clearest difference is in-app purchases: Ai_Engineering at none against AI ML Prep's 2. On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. AI ML Prep sells 2 in-app purchases, starting at $9.99 per month. Ai_Engineering asks for nothing beyond the download.

Scorecard1 real difference Β· 5 level
AI ML Prep versus Ai_Engineering: the parameters behind the verdict, then further details
ParameterAI ML PrepAi_Engineering
PriceFreeFree
Update frequencyβ€”Every 3 weeks
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPadiPhone, iPad, Mac β€” better
Requires iOS17.017.0
Further details β€” not scored
Size5 MB7 MB
Age rating4+4+
DeveloperKe ZhuLuke Mclaughlin

In-app purchases

2 purchases

AI ML Prep

Subscriptions2
  • AI ML Prep Pro - Monthly$9.991 Month
  • AI ML Prep Pro - Yearly$99.991 Year
None

Ai_Engineering

No in-app purchases

Questions

Is AI ML Prep free?
AI ML Prep is free to download, with in-app purchases available.
Is Ai_Engineering free?
Ai_Engineering is free to download, with no in-app purchases.
Do AI ML Prep or Ai_Engineering have ads?
Neither AI ML Prep nor Ai_Engineering shows ads.

Other comparisons