Grumpy Old Geeks Products Endel Product Endel 4 mentions in 2 episodes Endel is an adaptive music app that Jason says he subscribed to but used briefly. Mentions 540: Viscerally Revolting Feb 11, 2022 21:22 There was another app that I had for a while called Endle. 21:45 I bought a year's subscription to it, and I listened to it for all of 12 minutes. 454: Pennies From Jack Jul 11, 2020 52:23 Endel that does all of it's supposed to do all this smart stuff 52:40 It is really nice music to go to sleep to.