Afterpay vs Duolingo

Afterpay and Duolingo both appear on the Smoower Developer Ecosystem Index.

Duolingo (rank #338) holds a modest lead over Afterpay (rank #728) on the overall Smoower ecosystem score (43 vs 30). The gap of 13 points reflects composite signals across code, docs, community and reach.

On education (docs, guides and learning material for developers), Duolingo is ahead of Afterpay. On community (issue response, PR reviews and discussion health), Duolingo is ahead of Afterpay. On reach (how visible the ecosystem is beyond its own repos), Duolingo is slightly ahead of Afterpay. On momentum (release cadence and how fast the ecosystem moves), Duolingo is clearly ahead of Afterpay.

Afterpay carries 99 GitHub stars across 12 public repos, with 3 repositories active in the last 90 days and 4 external contributors on record. Duolingo shows 1,721 stars across 12 public repos, 8 active in the last 90 days and 11 external contributors. The star gap on its own does not decide the comparison, but Duolingo's footprint is roughly 17.4x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Afterpay is worth a look for teams already invested in its stack. Duolingo looks better where momentum 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.