Compare software

spr vs PRM: catalog facts
spr	PRM
Best for: Developers who review changes as individual or stacked commits on GitHub	Best for: Open source maintainers who review and edit many GitHub pull requests
Free Free and open source under the MIT license.	Free Free and open source under the Apache 2.0 license.
Command line	Windows, Command line
Creates pull requests from individual commits Supports stacked pull request workflows All 3 strengths for spr Creates pull requests from individual commits Supports stacked pull request workflows Updates reviews after commits are amended or rebased	Works directly on contributors' actual PR branches Built for the review workflow of busy maintainers All 3 strengths for PRM Works directly on contributors' actual PR branches Built for the review workflow of busy maintainers Actively maintained
Built around GitHub pull requests Requires GitHub API authorization	Tied to GitHub pull requests Command-line only
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for spr spacedentist.github.io/spr Catalog checked October 8, 2026	Official website Full listing and sources Sources for PRM ldez.github.io/prm github.com/ldez/prm Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.