Quo vs Proton Mail

Quo (World's best business phone app) and Proton Mail both appear on the Smoower Developer Ecosystem Index.

Proton Mail (rank #401) holds a narrow lead over Quo (rank #625) on the overall Smoower ecosystem score (41 vs 33). The gap of 8 points reflects composite signals across code, docs, community and reach.

On code quality (the state of repositories, tests, releases and polish), Proton Mail is clearly ahead of Quo. On education (docs, guides and learning material for developers), Quo is slightly ahead of Proton Mail. On community (issue response, PR reviews and discussion health), Proton Mail is clearly ahead of Quo. On momentum (release cadence and how fast the ecosystem moves), Proton Mail is ahead of Quo.

Quo carries 12 GitHub stars across 20 public repos, with 2 repositories active in the last 90 days and 0 external contributors on record. Proton Mail shows 16,265 stars across 186 public repos, 19 active in the last 90 days and 20 external contributors. The star gap on its own does not decide the comparison, but Proton Mail's footprint is roughly 1355.4x larger, which usually shows up in downstream signals like inbound issues and third party integrations.

Quo is the stronger read for anyone weighting education. Proton Mail looks better where community 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.