flipTech Drive Doppler Cost: $10 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions flipTech Drive Doppler: Drive Doppler will change the way you go about cleaning your hard drive. You've probably tried all those $50 drive cleaners and erased a hundred megabytes of files, but you still see your hard drive space disappearing. Where did your 1GB of space from last month go? What directories have increased in size since last weekend? What directories have actually freed up space? What directories are taking up the most space now? Drive Doppler will answer all these important questions, making your clean-up fast, thorough, and efficient.