Resistor Trainer Publisher: Alexander Watt Genre: Productivity Released: 9 Nov, 2011 Size: 7.0 MB Price: $1.99 Click here to request a review of this app App Store Info Description The resistor trainer is a single screen app that shows the colour codes for resistors. Tapping on the pads at the foot of the screen also shows the colours in order with their values for easy reading. Screenshots Screenshot 1 of 4