# doctl apps tier – DigitalOcean Documentation

> The subcommands of `doctl app tier` retrieve information about app tiers.




## doctl apps tier instance-size

The subcommands of `doctl app tier instance-size` retrieve information about app instance sizes.


- [doctl apps tier instance-size get](https://docs.digitalocean.com/reference/doctl/reference/apps/tier/instance-size/get/index.html.md): Use this command to retrieve information about a specific app instance size.
- [doctl apps tier instance-size list](https://docs.digitalocean.com/reference/doctl/reference/apps/tier/instance-size/list/index.html.md): Use this command to list all the available app instance sizes.