When comparing PerfectDisk vs JkDefrag, the Slant community recommends PerfectDisk for most people. In the question“What are the best disk defrag tools for Windows?” PerfectDisk is ranked 1st while JkDefrag is ranked 3rd. The most important reason people chose PerfectDisk is:
Been using since W2K days - love the options for scheduling and how you want your drives defragged.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Flexibility
Been using since W2K days - love the options for scheduling and how you want your drives defragged.
Pro Intelligent disk optimization
The program utilizes a proprietary strategy called SMARTPlacement optimization which orients drive optimization around the habits of the user.
Pro Spacial integrity
PerfectDisk offers a unique approach to space management in that it actively recovers disk space by checking for file duplicates and eliminating them.
Pro OptiWrite transparent & zero-peformance-impact fragmentation prevention
Prevents most (though not 100%) file fragmentation after a drive has been full defragmented
Cons
Con High price point
The price could very easily put one off. Unlike many other products, PerfectDisk has no free features beyond the thirty day trial. Furthermore, the only way to guarantee unlimited utility past three computers is to purchase a total home license which costs $49.99.