
Roofish
Roof, Stairs & Concrete Calc
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Free
In-App Purchases
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About
Roofish is a job calculator for builders, carpenters, and homeowners who would rather measure twice than guess once.
Pick a job, punch in your numbers on a labeled drawing big steppers, no engineering degree required and Roofish answers in plain words: what to CUT, what to BUY, and what to ORDER.
FIVE JOBS
• ROOF rafter length, plumb and seat cuts, birdsmouth, and how many boards and squares to buy
• STAIRS riser and tread layout, number of steps, stringer length and board size
• CONCRETE cubic yards rounded the way the truck sells it (or 80-lb bags), with 10% extra built in
• FLOORING boxes of planks or tile for up to six rooms, waste included
• DECK BUILDER decking boards, joists, posts, footings, concrete, railing, and screws
EVERY JOB
• A labeled drawing shows exactly which measurement goes where
• Name each project and save it reopen it later and every number is right where you left it
• One-page printable materials list to take to the lumber yard
• Works in feet/inches and metric display
HONEST PRICING
Download free and use everything for 3 days the trial starts the first time you open a job, not when you install. After that, one payment of $17.99 unlocks the app forever. No subscription, no ads, no account, and no data collected every calculation happens on your phone.
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What's New in Roofish
1.2
October 23, 2026
Stairs rebuilt for real jobs: start from a single step, pick Deck steps, Interior or Low step, and stringers now match your stair width. Concrete now prices footing tubes (Sonotube) with rebar cages, not just slabs. Roof and concrete math corrections from our audit. Meet FrameFish, our new framing calculator, linked inside the app.
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Subscriptions & In-App Purchases
$12.99
Roofish Pro
Unlock all 5 calculators forever. One-time payment.









