Chair yoga can definitely help with toning and gentle weight loss, especially if the app includes flows that raise your heart rate a bit and incorporate strength moves (like repeated sit-to-stands or resistance band work). Some good apps to try are “Yoga for Seniors & Beginners” and “Chair Yoga Fitness,” as they both offer routines that blend cardio intervals and muscle engagement. For bigger weight loss or faster toning, it’s usually most effective to add some brisk walking or light strength training alongside your chair yoga. On tricky work schedules (like night shifts), short, regular sessions—even 10-15 minutes—add up, so consistency matters more than doing long routines infrequently.