
ISOFITTER
Pipe Calculator & ISO Sketch
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Free
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About
ISOFITTER puts pipe calculations, fitting references and ISO sketches in one place.
CALCULATE IN THE FIELD
Work in feet, inches and fractions. Calculate circumference and use trigonometry without leaving the calculator.
FIND FITTING DIMENSIONS
Browse welded, threaded and stainless fittings, flange takeoffs and pipe dimensions. Look up outside diameter, inside diameter and wall thickness for the available sizes and schedules. Use the drawings to identify measurement points.
LAY OUT YOUR WORK
Use offsets, rolling offsets, elbow cut-down, miter, coping, slope, thermal expansion and pipe-volume tools.
SKETCH AND SAVE
Build an isometric route with pipe, fittings, flanges and valves. Add dimensions and notes, zoom and pan, and keep multiple drawings in your on-device library. Choose day or night mode.
ACCESS OPTIONS
Download free, then choose lifetime access with a one-time purchase or a monthly auto-renewing subscription. Both unlock the app's calculators, references, tools and ISO Sketch. Eligible new monthly subscribers receive a 3-day free trial. Prices are shown in your local currency before purchase.
Monthly subscriptions automatically renew unless canceled at least 24 hours before the current period ends. Payment is charged to your Apple Account. Manage or cancel subscriptions in your Apple account settings. The free trial converts to the displayed monthly price unless canceled before it ends. Lifetime access does not require a subscription. Restore purchases using the same Apple Account.
Verify reference dimensions against the actual component and applicable specifications before cutting or fabrication. ISO Sketch is a route sketch, not an automatically engineered fabrication cut list. Drawings are stored locally on your device.
Privacy: https://isofitter-support.abloomsugar2049.chatgpt.site/#privacy
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in ISOFITTER
1.0
November 7, 2026
2
Subscriptions & In-App Purchases
ISOFITTER Monthly
Full access to calculators, fittings and ISO Sketch.
$6.991 Month
3 Days trial

