RunTalk is a simple app, to help you mark out running measurements at set increments.

Enter start point and increment and RunTalk speaks running measurements as you mark them out. Set timed speech interval in seconds to allow you to move to next mark out point, or lock screen scroll and tap the full screen 'Next' button to hear consecutive measurements.

You can hit Next, Repeat and Back buttons to navigate the spoken list, and the measurements are displayed as they are spoken, so you can scroll back through the list.
Set minimum precision, from 1/32" to 1/2". Measurements are rounded to nearest precision.

THERE ARE NO PAID ADS IN THIS APP. There is 1 text link to developer site and 1 text link to registered charity (Fred Hollows Foundation) at bottom of screen.