Amazon AppSync vs async-graphql
| Amazon AppSync | async-graphql | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | self-hosted |
| Free plan | No | — |
| Deployment model | cloud | self-hosted |
| API explorer | Yes | Yes |
| Client code generation | Yes | No |
| Operation testing | Yes | — |
| Server languages | JavaScript, VTL | Rust |
Both are listed in Best GraphQL Tools. On Specifiction, async-graphql scores higher on our published basis.