Neural Network · on the App Store
Free download · optional Pro subscription
iOS 15.6 or later
Neural Network alternatives: how do people learn this?
There are three common ways to build intuition for neural networks: play in a browser, write code from scratch, or read. Neural Network is a fourth — a visualized lab and editor that travels with you. Here is the honest comparison.
Side by side
| Browser playgrounds (e.g. TensorFlow Playground) | Visual explainers (e.g. CNN Explainer) | Code from scratch (PyTorch tutorials) | Neural Network | |
|---|---|---|---|---|
| Form | Browser, small fixed architectures | Browser, one model explained | Editor + notebook on a computer | App on iPhone, iPad, Android and Mac |
| Learn by doing | Yes — tweak and watch | Mostly watching | Yes — you write everything | Yes — missions, lab, editor |
| See inside the black box | Partial — weights and outputs | Yes — layer by layer | Only what you print yourself | Yes — every neuron and edge, layer by layer |
| Works offline / on the go | Browser needed | Browser needed | Computer needed | Yes — the lab in your pocket |
| Build your own model | No | No | Yes — in code | Yes — by dragging, exports PyTorch-style code |
| Prerequisite | None | None | Python and framework setup | None |
The honest trade-off
Code from scratch remains the deepest path — if you can implement backpropagation yourself, nothing about the mechanics is a mystery to you. Neural Network does not replace that; it makes the path to it shorter by building the intuition first, and it covers the moments when you are not at a computer. The editor's real-time per-step output and its error display (parameter/input type and value compatibility) exist precisely to teach what the code would have taught you — faster.
When the alternatives are enough
- You already write PyTorch daily: your own training loops and print statements are the fastest instrument you have.
- You need one specific model explained: a focused visual explainer page is often the quickest reference.
- You are teaching a class: a projector and a browser playground are hard to beat for live demos.