Devmaxx vs Axon

System design is becoming one of the most important skills for software engineers. Many companies now require a dedicated system design interview, and your career growth often depends on your ability to design large-scale systems. Devmaxx gives you one focused system design question every day across databases, infrastructure, APIs, theory, and product to help you learn these skills and stay sharp. Each question takes about two minutes, and includes a resource to learn more about the subject. What you’ll get:
 • A new system design question daily
 • Clear explanations for every answer
 • Breakdown of the correct answer
 • Access to previous questions
 • Linked resources to go deeper
 • Access to a private community of developers learning and building the same things as you • Progress tracking to monitor growth If you’re preparing for interviews, this builds daily momentum. If you’re already working as an engineer, this keeps your fundamentals sharp. Open the app. Answer one question. Land the offer. * All features described above require a subscription Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Most people use AI every day. Almost no one understands how it actually works. Axon teaches you AI from the ground up — the math, the intuition, and the systems behind modern models. Learn linear algebra, probability, calculus, gradients, backpropagation, transformers, and more through short, interactive lessons designed for real understanding, not memorization. INTERACT WITH THE MATH, DON’T JUST READ IT Every concept is hands-on. Drag a gradient and watch the loss change. Adjust a weight and see predictions shift in real time. Step through a neural network layer by layer. You learn by doing — in just five minutes a day. BUILT FOR MACHINE LEARNING. NOTHING ELSE. No generic computer science filler. No hand-waving past the difficult parts. Axon focuses on the ideas that actually matter in machine learning — and explains them clearly, without oversimplifying. WHAT YOU’LL LEARN Math Foundations Vectors, matrices, derivatives, probability, softmax, and the core math behind ML Core Machine Learning Regression, gradient descent, loss functions, overfitting, evaluation, and optimization Neural Networks Perceptrons, backpropagation, CNNs, activations, and optimizers Transformers & LLMs Attention, embeddings, tokenization, prompting, and transformer architecture Frontier AI RAG, AI agents, fine-tuning, reinforcement learning, and modern workflows Practical Skills Classical algorithms, MLOps, and hands-on capstone projects MEET TENSOR Your guide is an undertrained model that somehow became sentient. Tensor is fluent in math, slightly confused by humans, and always focused on helping you learn. STAY CONSISTENT Daily streaks, XP, and global leaderboards turn consistency into momentum. Short lessons make it easy to come back tomorrow. AXON PRO Unlock unlimited lessons, advanced exercises, new outfits, unlimited review, and early access to new content. Available monthly or annually with a free trial. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/