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Desktop app

Build PlanReader for Windows and Mac

Plans, takeoff, 3D models and your agent, on your desk.

Download for Windows
Publisher, file and SHA-256 for your IT

Publisher: Unsigned — no verified publisher. Windows may show Unknown publisher.

Installs for your Windows account, no admin rights

File: The release feed is unavailable; the file name could not be read.

SHA-256: Not published in the release feed. A checksum for this installer is missing.

If Windows shows 'Windows protected your PC': More info, then Run anyway

Download for Mac

Windows installer: unsigned. Windows may show Unknown publisher. Security

Version 0.1.109 · Oct 21, 2026 · About 180 MB · Windows 10/11, 64-bit

Mac: version 0.1.103 · Oct 19, 2026 · macOS 14 or later, Apple silicon

On your phone? Get the iPhone beta

Try it here · illustrative demo

Try PlanReader on a real plan sheet

Hand: drag to move the sheet, the wheel or pinch zooms, a click picks a mark.

Illustrative demo on page 1 of a public bid set (Washington County, MD). Keys on the sheet: arrows · Enter · + − 0 · H V M K C T A · Ctrl+Z.

Your plans, your takeoff, on your desk.

Download for Windows Download for Mac

Install in three steps

  1. 01 Download

    Click Download for Windows or Download for Mac.

  2. 02 Run it

    On Windows, open the installer from your Downloads folder. It installs for your Windows account, so you don’t need admin rights. On a Mac, open the .dmg and drag Build PlanReader into Applications.

    If Windows shows 'Windows protected your PC', choose More info, then Run anyway.

  3. 03 Sign in with your Build account

    Use the same account as the Build app. New to Build? Create account.

Requirements

  • Windows 10/11, 64-bit
  • macOS 14 or later, Apple silicon
  • About 180 MB to download
  • No account needed to install. A free Build account saves your work to your company.

It updates itself

Download it once. When a new version is out, Update shows at the top of the app; click it to install without losing unsaved work. You can also choose Check for updates in the Account menu.

Your companies

It's the same Build account and the same records as the phone. On more than one company team? Switch companies from your profile; each company's work stays separate.

What’s new for Windows in 0.1.109

Released Oct 21, 2026

Kyle's card is plainer: the Seats tab lists each seat in plain words and greys a seat it hasn't read lately, Kyle is named by the computer it runs on (Kyle · NS-PC31) everywhere, and each of Kyle's parts has its own row on the Agents station.

  • Seats: Claude · New Steel, Codex · New Steel and Local models · NS-PC31 on one list. A missing window is unknown, never 0%. A seat not read in two of the clock's reads shows "Not read since …", never Ready. Each row opens to its windows and reset times.
  • Names: "Kyle · <computer>" replaces "your agent", "Assistant" and "Claude on this computer" in the new task box, the conversation errors and the Connect band.
  • Kyle's parts: Kyle · Service, Clock, Mail, Plans, Queue and each worker reach PlanReader as themselves, each its own row and session under Kyle · NS-PC31. Kyle's background parts get no copy of the app, so your own sessions keep theirs.
  • Routing names the two new job types: Get plans and Mail to folders.
Full release notes
Download Build PlanReader for Windows and Mac · Build