Prepare — Start — Release — Switch Sides!
Physical therapy or personal training: this app will do the counting and tracking for your stretching and strengthening exercises. Clear visual and audible cues keep you going, while you can keep your mind on something else.
Try before you buy: PT Timer™ Lite is free and supports up to 3 different exercises.

★★★★★ From the reviews:
• "The app is very easy to use and has resulted in the quality of my exercises increasing markedly … it does meet my needs to a "T"!"
• "Best one ever. Have tried 2 others. At 65 stretching is important and this app helps."
• "…it lets you focus on other things if you have simple boring exercises."
• "I've looked at many timers for stretches, floor exercises, weight lifting... and this is the perfect one!"

★★★★★ Enjoy these benefits:
• Avoid counting seconds and repetitions
• Think about something better while stretching