This is the most critical question. As of 2024-2025,
| App | Key Features | |------|---------------| | (unofficial revival attempt – use caution) | Based on original Phun (predecessor to Algodoo) | | Soda Constructor | Classic soft-body physics | | Physics Sandbox | Simple drawing & physics | | Mechanix (varies by region) | Mechanical simulations | Algodoo Apk Android