Honest comparison
Scratch & Swift Playgrounds vs. real Python
Short version: blocks are a wonderful place to start, and if your kid is new to coding, Scratch is one of the best free things on the internet. This page is about the next step — and what actually transfers.
Scratch — the brilliant on-ramp
Scratch (free, made by MIT) teaches the real ideas of programming — sequence, loops, events, conditionals — by snapping colorful blocks together. There's nothing to misspell, so kids build confidence and make something fun in minutes. For a first taste of coding, it's hard to beat, and we happily recommend it.
Its ceiling is also its floor: because you assemble blocks instead of typing, kids don't learn to write code, and many hit a plateau where they've mastered the mechanics but the blocks start to feel limiting.
Swift Playgrounds — real code, Apple's language
Swift Playgrounds (free, from Apple) is a big step up: kids type real Swift to solve guided puzzles on iPad, and it's beautifully made. Two things to know: it teaches Swift — Apple's language, primarily for building Apple apps — and it's structured as puzzle progressions. It's excellent for what it is; it's just a different destination than the language most schools, science classes, and AI tools use.
Real Python — the language that keeps going
Python is the language kids are most likely to meet again: it's the most common first language in schools and universities, and it's the language of data and AI. In Cosmic Cadets, kids type every line of real Python in a real editor — starting gently, with a tap-any-word glossary and friendly error help so a child can work independently, even without a programmer parent nearby.
| What transfers | Scratch | Swift Playgrounds | Cosmic Cadets |
|---|---|---|---|
| Kids type real code | Blocks | Yes (Swift) | Yes (Python) |
| Language used in schools & AI | — | Swift (Apple) | Python |
| Works 100% offline | Browser-based | Yes | Yes |
| AI-literacy lessons | — | — | Yes |
| Price | Free | Free | Free World 1; $14.99 once |
When is a kid ready to move from blocks to Python?
A few signs: they finish Scratch projects easily and want “real” code; they're comfortable reading; they ask how apps or games are actually made; or they're getting a little bored of dragging blocks. That's the moment real Python feels like a promotion, not a wall.
You don't have to choose forever. Plenty of kids do Scratch and Python. Cosmic Cadets is built to be the confident next step when the blocks start feeling small.
Ready for the real thing?
World 1 is free forever — see if your kid is ready for real Python.