Rollwise Support
Email admin@vinavedastudios.com. We answer within 2 business days.
I bought Pro but it's locked.
Open Settings › Restore Purchases while you have a connection. Use the same Apple ID (or Google account) you bought with. After that, Pro works offline.
Does Pro work on Android and iPhone?
Purchases go through Apple and Google separately, so an App Store purchase does not unlock the Android app (or the other way round). This is a store rule, not ours.
Which take-out does Rollwise use?
For long-radius 45° elbows: the B16.9 45° center-to-end. For other angles: a 90° elbow cut to angle, take-out = radius × tan(angle ÷ 2). For grooved, threaded or socket-weld fittings, add your manufacturer's take-out under Take-outs › My fittings.
Exact vs handbook constants?
Exact uses full trig. Handbook uses the printed constants (1.414 for 45°, etc.), so results match a hand calculation. They can differ by 1/16" on long runs. The result card always shows which mode you're in.
A number looks wrong.
Email us the inputs and what you expected. We fix math bugs first, every time.
Rollwise is a layout aid. Always verify against your drawings, specs and company procedures.