Human Resource Machine vs Math Playground
| Human Resource Machine | Math Playground | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | $3.50/mo |
| Open source | No | No |
| Platforms | Windows, macOS, Linux, iOS, Android | Web |
| Free plan | No | Yes |
| Delivery mode | desktop_app | browser |
| Subject focus | coding | math |
| Progress tracking | Yes | Yes |
| Offline play | Yes | No |
| Learner age | — | elementary |
| Standards alignment | — | Yes |
Both are listed in Best Educational Games. On Freedom251, Math Playground scores higher on our published basis.