Journeyman Voice Calculator
Construction & Trade Fractions
Free · In‑App Purchases · Designed for iPad
Founding Member spots open — lifetime Pro access at the lowest price ever. Visit treecitydbr.com/apps/journeyman-voice-calcs/founding
YOUR HANDS ARE BUSY. YOUR VOICE ISN'T.
Every tradesperson knows the drill. You're mid-cut, mid-pour, mid-install. You need a quick calculation. And your phone is either in your pocket under two layers, or your hands are too grimy to tap a screen.
Journeyman is a construction calculator you talk to.
155 TRADE FORMULAS. ONE INPUT: YOUR VOICE.
"How many studs for a 20-foot wall?"
Sixteen studs.
"Board feet in a 2x6x12?"
Twelve board feet.
"Concrete for a 10 by 12 slab, 4 inches thick?"
1.48 cubic yards.
Ask like you'd ask the person next to you.
FRACTIONS FIRST
Every answer comes in tape-measure fractions. 3-1/2", not 3.5. 1-3/4", not 1.75. Because the tape on your belt doesn't have a decimal point.
SHOW THE MATH
Tap any answer to see the step-by-step breakdown. The formula, the inputs, the work. Learn the math. Check the math. Trust the math.
WORKS EVERYWHERE YOU WORK
Offline. No account. No cloud. No signal needed. Everything processes on your device.
FOUNDING CONTRACTOR PRICING
Be one of our first users. Founding Contractors get a locked lifetime price that never goes up — and a direct line to shape the formulas.
Wave 1 (25 slots): $19.99 lifetime
Wave 2 (25 slots): $29.99 lifetime
Wave 3 (50 slots): $39.99 lifetime, or $17.99/year, or $2.09/month
Wave 4 (100 slots): $49.99 lifetime, or $21.99/year, or $2.69/month
When founding waves are filled, standard pricing applies:
- Journeyman Pro Monthly: $2.99/month (auto-renews)
- Journeyman Pro Annual: $24.99/year (auto-renews)
- Journeyman Pro Lifetime: $55 one-time purchase
Payment is charged to your Apple ID account. Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. You can manage or cancel subscriptions in your Apple ID account settings.
Framing. Roofing. Concrete. Electrical. Plumbing. Masonry. Tile. Cabinetry. Carpet. Painting. Drywall. Conversions.
Privacy Policy: https://treecitydbr.com/apps/journeyman-voice-calcs/privacy
Terms of Use (EULA): https://treecitydbr.com/apps/journeyman-voice-calcs/terms
Journeyman Voice Calcs is a calculation reference tool only, not engineering software. All calculations are estimates for planning purposes. Verify on site.
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
• Fixed concrete calculator accuracy for repeated measurements
• Voice readback now works with mute switch on — this is a job site tool
• Founding Member card added — limited lifetime Pro spots available
• Improved follow-up query handling for multi-step calculations
The developer, John Carter, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- John Carter
- Size
- 42.2 MB
- Category
- Utilities
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Founding Pro Lifetime-Wave 4 $48.99
- Founding Pro Lifetime-Wave 2 $28.99
- Found Pro Lifetime-wave 1 $19.99
- founding Pro Lifetime-wave 3 $38.99
- Journeyman Pro Lifetime $54.99
- Founding Pro Annual $21.99
- Founding Pro Annual $17.99
- Founding Pro Monthly $1.99
- Founding Pro Monthly $2.49
- Journeyman Pro $24.99
- Copyright
- © 2026 Tree City Design LLC