Plan CD
Precise, private, single-purpose iOS apps for UK trades and DIY. No accounts, no ads, no tracking — pay once, own it.
Aerial Aligner: Freeview UK
Point your TV aerial at the best Freeview transmitter — live compass alignment and signal bands.
Dish Aligner: Satellite UK
Exact azimuth, elevation and LNB skew for Astra 2 and the main European satellites.
Gas Flow Rate Calculator
Appliance heat input from a meter test dial — for UK plumbers and Gas Safe engineers.
BTU Calculator
Room-by-room radiator sizing with the UK standard heat-loss formula — BTU/hr, Watts and kW.
Solar Aligner: UK Solar Panels
Optimal direction and tilt for solar panels, with live phone-on-panel alignment.
Cable Size UK
BS 7671 cable sizing and volt drop for UK electricians.