Once you get Superdensity Muscle Routine, Quicker Ticker will tank your EXP.
Consider 1 jump of duration 1000 vs 1000 jumps of duration 1.
Without SMR:
1000 == 1000
With SMR:
1000000 > 1000
Unless I'm missing something, of course.
See also the 5 June comment from PixelHead777