This app asn't been free since November 2013. Has plenty of great reviews. Enjoy :)
Turn your iPhone/iPad into a PERSONAL TRAINER who accompanies you, step by step, towards your goal. With Runtastic, you’ll be able to do 150 consecutive squats in no time. By the way, squats not only strengthen your legs, they also train your core. Let Runtastic help you get that that toned behind you’ve always wanted!
APP FEATURES & BENEFITS:
- Accurate count of completed squats using the accelerometer
- Three levels based on a scientific training plan to reach 150 squats
- Automatic countdown timer for your rest between exercise sets
- Voice Coach for constant feedback
- Personal records & exercise statistics (i.e. monthly or yearly stats)
- Leaderboard: compare & see how you rank with your Runtastic friends
- Upload workout activities to Runtastic.com
- Integration with Apple Health
- Share your success on Google+, Facebook, Twitter or via email
- Integrate Runtastic activities to your MyFitnessPal account
- Collect motivating badges for your performance
Compatibility: Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimised for iPhone 5, iPhone 6, and iPhone 6 Plus.
Squats are great to do whilst on Ozbargain !