Click to see what's new in the latest DietPowerUpgrade

DietPower's latest version, 4.4, was released February 27, 2007, and last updated May 16, 2011. To see what version and "build" you have, click Help > About DietPower at the top of your program's Home Screen.

If you already own DietPower 4.4 but your "build date" is earlier than May 16, 2011, download the most recent free trial and install it over your current build. This won't harm your records, but it will give you the latest improvements. It should not make your DietPower revert to trial status—but if does, contact us and we'll give you a free replacement key.

To see what's new in Version 4.4... here.

Click below to upgrade to DietPower 4.4 or one of our special editions.

To upgrade to Version 4.4:

If you're already using the free trial:

If you're not using the free trial:

To Upgrade to a Special Edition

Special Editions are for commercial and institutional use.

To Order by Mail or Fax

Use our printable order form.


Below are answers to the most common questions. If you need more help, contact us.

DietPower 4.4 offers 24 major advancements over the previous version.

Yes. Unlike older versions, Version 4.4 is compatible with Windows 8, 7, and Vista. It also works on Windows XP, ME, and 2000. (System requirements.)

No, but it will run on a Mac equipped with Windows emulator software such as Virtual PC, Parallels, or VMware Fusion. (To express interest in a Mac version, .)

Maybe. DietPower works on some of these smaller laptop computers. To find out, contact us.

Yes. The upgrade is the complete program—just a lower price.

Yes. The new version can import your old DietPower food, exercise, and weight logs, as well as your Favorites; calendar notes; and any foods, recipes, or exercises that you've added to DietPower's dictionaries.

Yes, you can resume where you left off in the old version. (DietPower doesn't provide tech support for old versions, however.)

Yes! Just email , telling us the competing software's brand and version number and why you're switching to DietPower. We'll reply with a discount code that lets you buy DietPower at the $19.95 upgrader's price. (This doesn't obligate you to buy. You can start with our free 15-day trial.)

This site complies with the HONcode standard for trustworthy health information. Click to verify.2008 Top Gear of the Year awardPC World "Top Downloads"ZDNet "Editor's Pick"Diet Software ReviewsSoftpedia "100% Clean" download