About this app
Catch costly grade mistakes before crews dig, trench, or set pipe. Grade Slope Pocket gives drainage, plumbing, and utility crews fast field answers for slope, fall, run, and invert checks on iPhone. Use it to: - check pipe slope and fall before excavation, bedding, or install starts - solve fall from run and slope percent when you need a quick field answer - solve slope from run and fall for drainage and utility layouts - verify invert start-to-end difference before a bad grade becomes rework - read percent, ratio, run, and fall with clear units while staying fully offline Built for field crews who need on-site answers that prevent expensive mistakes, not generic classroom math.
Latest release
What’s New
Updated App Store screenshots and product page visuals. App functionality is unchanged.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 27, 2026 · 1:25 AM $4.99