Google Play
Version 2.1.0 · 2026-10-26
No release notes were provided for this version.
Too little checked to say Store information only. We haven’t analysed this app or read its reviews yet.
Not yet tested.
The store currently lists version 2.1.0, updated 2026-10-26.








Store screenshots supplied by the developer.
The carpenter's calculator that shows you the cut.
JoistLogic does the math framers, remodelers and serious DIYers do every day, in feet, inches and fractions, and shows you exactly where to cut. Every calculation is free. No account. No ads.
NEW: Room sketcher
• Draw a room with your finger: rectangle, L, T or U, then add closets and bump-outs
• Tap a wall to drop in a door, window or cased opening and slide it into place
• Get the whole list from one sketch: flooring, drywall, paint, baseboard, casing, insulation, framing, prehung doors and windows
• Labor by trade (drywall, paint, flooring, finish carpentry, doors and windows) at your own rates
• Room size, daylight, ceiling height and bedroom escape-window checks
• Print the plan and a framing elevation for every wall (Pro)…
From the developer’s store description.
For developers and the curious
The evidence, sources, measurements and versions behind every label above.
No review analysis published for this app.
“Not assessed” means we could not measure it. It is never a zero and never a pass.
No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence, not a finding.
Supporting measurements: not a complete list of possible harms or positives. Measurement vocabulary 1.4 · how these are measured
Not yet tested. No analysis has been run for this app, so there is no version or date to report.
Each store’s release notes, as the developer wrote them. They are the developer’s words, not ours.
No release notes were provided for this version.
joistlogicWhat the stores publish. Store ratings are the stores’ numbers, not Appworthy’s, and are never averaged across stores.
Not yet tested. No analysis has been published for this app, so there is no method to describe for it yet. A missing label is not a clean bill of health: it means nothing has been read, not that nothing is wrong.
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