Adyen vs Expensify, Inc

Adyen and Expensify, Inc both appear on the Smoower Developer Ecosystem Index.

Adyen and Expensify, Inc sit at essentially the same overall ecosystem score (51), which is unusual and worth reading through the pillars below.

On code quality (the state of repositories, tests, releases and polish), Adyen is clearly ahead of Expensify, Inc. On education (docs, guides and learning material for developers), Expensify, Inc is ahead of Adyen. On community (issue response, PR reviews and discussion health), Adyen is slightly ahead of Expensify, Inc. On reach (how visible the ecosystem is beyond its own repos), Expensify, Inc is ahead of Adyen. On momentum (release cadence and how fast the ecosystem moves), Expensify, Inc is ahead of Adyen.

Adyen carries 2,684 GitHub stars across 65 public repos, with 49 repositories active in the last 90 days and 39 external contributors on record. Expensify, Inc shows 9,942 stars across 66 public repos, 18 active in the last 90 days and 141 external contributors. The star gap on its own does not decide the comparison, but Expensify, Inc's footprint is roughly 3.7x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Adyen is the stronger read for anyone weighting code quality. Expensify, Inc looks better where education is the deciding factor. The table below breaks the scores down pillar by pillar; the linked profiles cover the underlying repos, docs and community signals in full.