CHERP Solo: Trade Toolkit

Everything you measure, calculate and clock — in one offline app. CHERP Solo is a field toolkit for one tradesperson. No account, no crew network, no signal needed. Open it in a basement mechanical room with no bars and every part of it still works. FEET AND INCHES CALCULATOR Add, subtract, multiply and divide in feet, inches and fractions down to 1/16" — the way a tape measure actually reads. Quick-tap fractions, a decimal-to-fraction converter for laser readings, and a running tape that survives closing the app. Tap any past result to drop it into your next calculation. Plain numbers stay plain — 3 × 4 is 12. Press ft' or in" and it becomes a measurement, so 3 × 3' 2" comes out 9' 6". CALCULATORS AND REFERENCE FOR YOUR TRADE Pick your trade and the app tailors itself — pipe trades, electrical, HVAC, fire sprinkler, carpentry, concrete, insulation, civil and general. Trade calculators, conversion tables and quick-reference charts, all on the phone and ready offline. Switch trades whenever the work changes. TIME CLOCK AND WORK HOURS Clock in and out on the job. Punches land on the nearest quarter hour, or the interval you set. CHERP Solo splits overtime past your daily and weekly thresholds, handles double time and weekend rules per job, and totals the week. Export a timecard CSV whenever hours have to go to the office. PAY ESTIMATE See what the week is worth before payday. Enter your hourly rate once and it is remembered. Set your normal week, filing status and dependents, and the estimate accounts for federal brackets, the standard deduction, W-4 dependent credits, FICA and your state rate. An estimate, not a pay stub — but a close one. RUNNING A CREW? TURN ON FOREMAN MODE This is your own record of the people you run — not a crew app. Nobody else installs anything and nothing syncs. Call and Text hand straight off to your phone's own dialler and SMS. Off by default. Switch it on in Settings and the app grows what a foreman needs; nothing else changes: • Crew list — name, trade, rate and phone, with Call and Text on every card. • Crew time — your weekly sheet without the clock. Set who was in and out at the end of the shift, fill the whole crew at once, then fix the odd day. Per-person and crew totals, plus a CSV. • Teams — split the crew into the gangs you are actually running, and move somebody across with one tap. Each team shows its lead, its people and its hours. • Crew calendar — days off, vacation, sick, late, left early, no show, training, each with a note, and the week ahead. • Tasks — assign work to anyone on the crew and see what each has open. All of it stays on your phone: your notes on your crew, kept by you. Still no account, no server, and nobody to sign up. JOB LOG AND CALENDAR A month view of your work. Tap a day for everything logged on it: hours, tasks, photos, safety records and your own notes. Export any day as a PDF or JSON. TASKS, PARTS, PHOTOS AND SAFETY Keep a punch list, track the parts you still need, and complete a JSA before the work starts. Snap photos into the job log, then open one full screen from the Gallery, swipe the roll and zoom in on the detail you went back for. ONE-TIME PURCHASE Buy it once and it is yours. No subscription, no ads, no upsells, no trial that expires mid-shift. Every calculator, every table and every feature is included the day you install it. YOUR DATA IS YOURS • No account, no login, no email address. • No ads, no tracking, no analytics. • No servers — nothing leaves the phone unless you send it. • Full backup and restore to a single file, so a new phone is not a fresh start. Built for the trades: pipefitters, sprinkler fitters, electricians, HVAC techs, carpenters, concrete and insulation crews — anyone with a tape measure and a time card. Calculators and reference tables are field rules of thumb, not stamped engineering. Always verify before you rely on them. CHERP Solo is the single-user tier of the CHERP family, from Debe Corporation.