PitchFall: Roof Pitch & Slope

PitchFall is a level tool for the trades. Use it as an inclinometer, clinometer or angle finder, or lay it flat as a bubble level. It reads pipe slope, roof pitch and ramp slope in your unit, so you don't need a pipe slope calculator.

Hold the phone on a drain pipe and read 1/4″ per foot, not 1.19°. Set a target, and PitchFall says ON TARGET, TOO FLAT or TOO STEEP. Off target, it names the end to move and by how much: "Raise right end 3/32″".

Roof pitch reads in x/12 and ramp slope as 1:n. For a ramp, it shows the maximum you are over.

YOUR TRADE'S UNITS
• Pipe: inches per foot as tape-measure fractions, %, mm/m, 1/n, 1:n or degrees
• Roof: x/12, x/10, degrees or percent
• Ramp: 1:n, percent or degrees, with a 1:12 maximum preset
• Slope %, angle and mm/m show under the main number at the same time
• Preset targets with a tolerance, or a target of your own

WORK WITHOUT LOOKING
• A beep (with the ringer on) and a vibration when the reading comes on target
• Ticks that come faster as you get close
• Hold the phone still on an edge and the reading saves itself

LOG AND CSV
• Each saved reading keeps its time and a note you can edit
• Share the whole log as a CSV file
• No payment and no account for the log or the CSV

CALIBRATE IN TWO STEPS
Measure, turn the phone end for end on the same spot, and measure again. The spot does not need to be level. PitchFall keeps the offset for each edge: short, long and back. If you change the case, calibrate again. Settings shows the stored offsets and can reset them.

MORE
• Zero sets the current tilt as the reference, to match an existing slope
• Lay the phone flat for a round level with left-right and front-back tilt
• The screen turns when the phone stands on its long edge, and you can lock the direction
• Big numbers, keys sized for gloves and a light theme for bright sun
• In English, Korean, Japanese, German, French, Brazilian Portuguese and Spanish

NO ACCOUNT, NO SIGNAL NEEDED
There is no sign-up, and it measures with no signal. Readings and calibration are not sent to us.

PitchFall is free with ads: one banner at the top of the measure screen, away from the keys, and one ad in the log, after the third reading (at the end of a shorter list). The calibration screen and the target sheet show no ad, and no full-screen ad opens while you measure. No feature is locked behind a payment.

The minimum pipe fall and the maximum ramp slope depend on your local code. Check yours. PitchFall does not certify a reading.