Reply vs Ultimate.

Reply (AI sales engagement for email, LinkedIn, SMS & calls. Open APIs, SDKs, and MCP server for developers building on Reply. Builders of Jason, the AI SDR.) and Ultimate. both appear on the Smoower Developer Ecosystem Index.

Reply (rank #662) holds a modest lead over Ultimate. (rank #996) on the overall Smoower ecosystem score (32 vs 19). The gap of 13 points reflects composite signals across code, docs, community and reach.

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

Reply carries 0 GitHub stars across 3 public repos, with 2 repositories active in the last 90 days and 0 external contributors on record. Ultimate. shows 4 stars across 25 public repos, 0 active in the last 90 days and 0 external contributors.

Reply is the stronger read for anyone weighting momentum. Ultimate. looks better where code quality 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.