Is there another way to easily send him 70¢ while supporting his work and making him feel it has value other then buying that app that I'm unaware of? I'm not s

Is there another way to easily send him 70¢ while supporting his work and making him feel it has value other then buying that app that I'm unaware of? I'm not sure how much action constitutes "real" to you however pressing the buy button seemed to be a real action in my book. And the 30% to Apple/Google is their share of building an ecosystem where a homeless guy with a laptop and some knowledge can produce a sellable product to help improve his life. They worked for that 30%.