"Best interval timer app for HIIT workouts"

"Absolutely the most simplest interval timer app that I have tried"

"Great little timer app"

"Best timer app out there and clock that goes with it is just as solid"

"LOOK NO FURTHER, Seconds Pro Interval Timer is the most advanced inter..."

"The workouts are great and I love the interval timer"

"This is a great app for interval training"

"Seconds is an advanced interval timer for High Intensity Interval Trai..."