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Our Innovative iPhone Apps:

4Word GammaBoost BoulderUp Screen
4Word™
The Fun New Daily Word Puzzle.
In the App Store Now!
GammaBoost®
The App defying Alzheimer's.
In the App Store Now!
BoulderUp!™
Indoor Bouldering App.
In the App Store Now!


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©2025 GDI LLC
4Word and GammaBoost are registered trademarks of GDI LLC
US Pat. Nos.
9,176,264
9,568,149
D801,416
D815,183

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