Report updated Apr 24, 2026

Overview · Full Intel report in progress

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Decks 3D: Deck Builder is an established utilities app that is free with in-app purchases.

What is Decks 3D: Deck Builder?

Decks 3D is a mobile design tool for iOS that enables contractors and DIY users to create framing-first deck plans. It allows users to generate 3D models, calculate material quantities, and export professional build documents directly from an iPhone or iPad.

Current Momentum

v1.0

Big workspace polish update: redesigned 2D and 3D review, added orthographic 3D views with measurements and palettes, and introduced a new in-app Mail Support form.

AI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.

Competition

Rivals identification in progress

7-Day Rank Pulse 🇺🇸

Utilities

No ranking data

Rating Pulse 🇺🇸

Gathering signals...

What makes this app unique?

How Is The App's Momentum Right Now?

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What Are The Key Features?

Framing-First DesignStandard

Supports various deck shapes including L-shaped, U-shaped, multi-level, and octagonal designs with adjustable joist and beam spacing.

3D VisualizationStandard

Provides a live 3D workspace to inspect structural components like posts, footings, and stairs before construction.

Project DocumentationStandard

Generates blueprint PDFs, material lists, and cut lists for field use.

Pro BrandingStandard

Offers white-label branding options for exported documents through the Decks 3D Pro tier.

How much does it cost?

Freemium

Who Built It?

Sebastin Michael app icon 1
Sebastin Michael app icon 2
Sebastin Michael app icon 3
Sebastin Michael app icon 4

Sebastin Michael

(181)

Providing utility-focused tools and niche calculators designed for privacy and functional simplicity across productivity and specialized hobbies.

Portfolio

13

Apps

Free 12
Games75%
Productivity8%
Lifestyle8%

Who is Sebastin Michael?

Sebastin Michael operates as a high-output developer focusing on the intersection of design engineering and functional utility, prioritizing local-first privacy and offline functionality. The portfolio is distinguished by its broad horizontal footprint across highly specific niches—ranging from construction calculators to script rehearsal tools—rather than deep vertical dominance. A recent strategic shift shows a move toward sophisticated CAD-lite and AI-integrated tools, leveraging a 'privacy-first' positioning to differentiate from data-heavy incumbents in the productivity and utility categories.

Who is Sebastin Michael for?

  • Niche hobbyists
  • Productivity-conscious users seeking privacy-first
  • Offline-capable tools for specific tasks like habit tracking or technical calculations
Intense

Portfolio momentum

The publisher maintains an intense development cadence with 30 releases across the portfolio in the last 6 months, including several new launches in the construction and utility categories.

Last release · 0d agoActive apps · 27Abandoned · 23

Analysis in progress, available soon

What do users think recently?

Analysis in progress, available soon

Analysis in progress, available soon

What is the competitive landscape for Decks 3D: Deck Builder?

How's The Utilities Market?

Market outlook for this category

Available very soon

Strategic analysis coming soon

SWOT, key takeaways & outlook

The outtake for Decks 3D: Deck Builder

Key Takeaways

Decks 3D streamlines the transition from structural design to material procurement by providing an all-in-one mobile solution for deck framing and documentation.

Where Is It Heading?

Trend analysis

Available very soon

Disclosure

Independent intel to help builders create better apps.

AI-powered analysis with editorial review, built from publicly available sources. See methodology.

Marlvel.ai is not affiliated with, endorsed by, or sponsored by Decks 3D: Deck Builder, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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Cite this report

Marlvel.ai. “Decks 3D: Deck Builder Intelligence Report.” Updated Apr 24, 2026. https://marlvel.ai/intel-report/utilities/decks-3d-deck-builder

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