Architecture Studio Suite

Design, validate, and deliver floor plans with precision.

ZerothFloor brings CAD-grade structure to the browser. Build accurate 2D plans, keep every wall intelligent, and sync to real-time 3D.

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Features

Explore the structured design system built for precision.

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How-to guides

Step-by-step guidance for drafting, exporting, and sharing.

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Compare platforms

See how ZerothFloor aligns with other planning tools.

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iOS apps

Meet the field-ready suite for roof, stair, and deck workflows.

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Public plan directory

Browse view-only plans and clone into your workspace.

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Smart topology

Walls understand connections, openings, and constraints so your plan behaves like architecture, not lines.

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Operational control

Role-based governance separates superadmin control from project teams without slowing delivery.

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Cloud-native assets

S3-backed libraries and SES notifications keep every asset and update accessible to the right teams.

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Mobile suite

Bring ZerothFloor workflows to iPhone and iPad

Roof framing, stair planning, and deck workflows now have dedicated app experiences built for local-first field use.

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Roof Rafter

Roof Rafter: Framing Calc

Roof framing math, diagrams, and PDF packets from iPhone or iPad.

Calculate common rafters with run, rise, overhang, birdsmouth, and cut detail.

Lay out hip roofs with hip lengths, jack schedules, ridge layout, and framing outputs.

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Stairs 3D

Stairs 3D: Framing Calculator

Offline stair plans, 3D inspection, and shop-ready exports.

Instantly solve rise per step, tread depth, stair angle, stringer length, and cut patterns.

Model straight stairs and stringer layouts in the free tier.

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Decks 3D

Decks 3D: Deck Builder

Framing-first deck plans, 3D review, and local build documents.

Design straight, L-shaped, U-shaped, freestanding, wraparound, custom, gazebo, multi-level, and octagonal decks.

Tune joist spacing, beam spacing, posts, footings, decking direction, stairs, railing, roof-over-deck concepts, and terrain notes.

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Resource hubs

Navigate by workflow

Explore features, guides, and comparisons tied to real planning needs.

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Featured capabilities

Top features to explore next.

Precision floor plan editor Trace image workflows Smart topology and constraints

Practical guides

Step-by-step workflows for teams.

Create a floor plan from scratch Trace an as-built or sketch Add doors and windows

Comparison snapshots

Directional context for evaluations.

ZerothFloor vs Floorplanner ZerothFloor vs Planner 5D ZerothFloor vs RoomSketcher