Code.org App Lab vs Rust Playground
Code.org App Lab
code.orgRust Playground
play.rust-lang.orgSide by side
| Figure | Code.org App Lab | Rust Playground |
|---|---|---|
| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 1 | 1 |
| Spec score · Code Playground Software | 8.3 (#9) | 8.1 (#18) |
| Spec score · Coding Playgrounds | 8.2 (#49) | 8.3 (#47) |
| Audience | The App Lab page lists ages 13 through 18, beginner level, and curriculum for grades 8 through 12. | The Playground is for experimenting with Rust when a local installation or compiler is unavailable. |
| Deployment options | static | none |
| Free plan | Yes | Yes |
| Full-stack runtime | Yes | No |
| Integrations | Curriculum activities use App Lab with BBC micro:bit and Adafruit Circuit Playground devices. | The interface uses React, the backend uses Axum, and code sharing uses GitHub Gist. |
| Purpose | App Lab is a browser-based programming environment for making simple apps. | The Playground lets people experiment with Rust before installing it locally or when a compiler is unavailable. |
| Sharing controls | access_control | link_access |
Plans
In their own words
Code.org App Lab
Code.org App Lab has no write-up on Specifiction yet; its figures are above.
Rust Playground
Rust Playground is a free web tool for trying Rust when a local installation or compiler is unavailable. Its syntax-highlighted editor compiles code in debug or release mode against the stable, beta, or nightly channel. The available crates include the top 100 by all-time downloads, Rust Cookbook crates, and their dependencies, though some candidates are omitted if they fail to compile on Linux or stable Rust or have invalid feature selections. Users can run rustfmt and Clippy, or inspect LLVM IR, assembly, and Rust MIR. Code can be loaded from or saved to a GitHub Gist and shared; Rust documentation and mdbook examples can also link to code for editing or execution. Docker containers supply and isolate its compilers and tools. Compilation and execution have no outside network access and are limited by memory and time. The latest entered code is saved in browser local storage, shared among windows as a single resource. The project is open source under Apache License 2.0 or MIT. Self-hosting is documented, and requires a GitHub token for Gist loading and saving.