# CircleCI vs Fly.io — Fit & Features

Canonical: https://trutool.co/compare/circleci-vs-fly-io
Author: Sandeep (https://trutool.co/authors/sandeep)

Compare CircleCI and Fly.io by use case, features, limitations, and evaluation questions.

## Compare fit, features, and limitations

### CircleCI
Continuous integration and delivery.
Best fit: Platform engineering and release teams considering CircleCI for this job: Continuous integration and delivery.
- Continuous integration and delivery
Before you choose: Test deployment repeatability, secrets handling, rollback, observability, and maintenance effort in the exact plan you intend to use.
Pricing: https://circleci.com
- [Read CircleCI profile](https://trutool.co/tools/circleci): Read CircleCI profile

### Fly.io
Application deployment and distributed compute.
Best fit: Platform engineering and release teams considering Fly.io for this job: Application deployment and distributed compute.
- Application deployment and distributed compute
Before you choose: Test deployment repeatability, secrets handling, rollback, observability, and maintenance effort in the exact plan you intend to use.
Pricing: https://fly.io
- [Read Fly.io profile](https://trutool.co/tools/fly-io): Read Fly.io profile