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The Logitech Solar App will make sure your keyboard is always ready when you are.


  • Easy-to-read, at-a-glance status and power-reserve indicators--so you'll know when your keyboard isn't getting enough light
  • Lux meter so whether you're getting the full power of a high-watt desk lamp or just the faint light of the moon--you'll know how much power your light source is providing at any time.


Mac OS X 10.6.6 or later

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Solar App User Discussion

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Wizardhunt69 Member IconReview+0

it works awesome with the logitech wireless solar keyboard. Measures the light around the room and works flawlessly.

Reply0 replies
Version 1.00
Zeebie Member IconReview+71

Available only via app store? Must be kidding.

Reply0 replies
Version 1.00
JML54 Member IconReview+9

I thought my comments went up yesterday, but they're not there. I posted similar comments on the App Store.

This application is not needed to use the excellent Logitech Solar keyboard. And it's a resource hog, poorly written and implemented. Whether or not the application is being run, whether or not the keyboard is actually connected, and even after the application itself is removed, it runs a "Solar Service" subsidiary application from the Library/Application Support/Logitech folder, constantly writing error messages to the system.log file. It creates thousands of error messages, and overwrites the system.log so much and so fast that you cannot see other more important messages. The system.log file becomes huge, and the drain on resources can extend to double-digit percentages.

To remove it, you have to shut down the service, remove the files, and force-empty the Trash. You can use the Console and Activity Monitor to see the drain and problems from the application.

The keyboard is excellent, but this utility is not.

Reply1 reply
Version 1.00
Dave Lister

I got a Mac Mini G4 1.5GHz that I'm using the Solar Keyboard with, but no option at all to use this app on Non-Intel Macs which is even worse.
But with what sounds like a horrible resourcehog from what you're typing so doubt a version for G4 cpu's would be any better ;)
0 Stars out of 5/10/15/Infinity from me.

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Current Version (1.x)


Downloads 6,028
Version Downloads 6,028
Type Utilities / System
License Free
Date 01 Sep 2011
Platform OS X / Intel 32
Price Free