When comparing aurman vs Pakku, the Slant community recommends aurman for most people. In the question“What are the best AUR helpers for Arch-based Linux distributions?” aurman is ranked 9th while Pakku is ranked 10th.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Native pacman compliant
Pro Secure
According to Archwiki: "does not source the PKGBUILD at all by default; or, alerts the user and offers the opportunity to inspect the PKGBUILD manually before it is sourced. Some helpers are known to source PKGBUILDs before the user can inspect them, allowing malicious code to be executed. Optional means that there is a command line flag or configuration option to prevent the automatic sourcing before viewing."
Pro Auto removes build dependencies
Has option to auto remove all unused build dependencies.
Pro Wraps pacman
Installation or updates of official or aur packages can all be done with pakku.
Pro Uses pacman interface
Easy to use for anyone familiar with pacman.
Cons
Con Tends to break easily
Due to a lot of Python dependencies, aurman tends to break after Python/libraries updates. Most of the time, the fix is as simple as reinstalling aurman.