RedX Stairs - 3D Calculator

RedX Stairs - 3D Calculator

RedXApps

Available on Google Play
3.7(1,028)
100,000+ installsFreeTools

Updated Jul 31, 2026 · v3.1.9

CompareView on Google Play
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3D Stair Design: Straight, Spiral, Winder Stairs, Stringer PDFs, Share Plans

Discover the next level of stair construction with the RedX Stair App, now fully enhanced with stunning 3D capabilities. This app is your essential companion for efficient and precise stair measurement and visualization. Featuring a wide selection of calculators for every type of stair configuration including Straight Stairs , L-Shaped Stairs, U-Shaped Stairs, Spiral Stairs, Winder Stairs, Corner Deck Stairs and more, it effortlessly simplifies the most complex stair calculations. Whether you're working in CM, MM, Feet, or Inches, this app ensures versatile and accurate measurements for professionals and DIY enthusiasts alike. Key Upgrades and Features: Advanced 3D visualization for all stair types, offering a dynamic and immersive design experience Comprehensive suite of calculators for Straight, L, U, Spiral Stairs, Winders, and more, accommodating any project requirement Interactive, to-scale stair plans with precise measurements, enhancing design accuracy and efficiency Multifaceted measurement support in CM, MM, Feet, and Inches for global applicability Efficient project management options: Print, Share, Save to Photos, or Store designs in-app for future reference Detailed plans and measurements for common stair builds, including stringer details for unparalleled clarity Specialized tools for designing Spiral, Curved, and Winder stairs with customizable specifications Exclusive Features for Enhanced Design: Enter key details like Total Rise, Stringer, and Tread information to instantly generate detailed, to-scale stair plans Customize your stair designs with adjustable Stair Angles, Step Numbers, and more for perfect fit and function For Spiral and Curved Stairs, specify Total Rise, Rotation, and Radius to receive plans with Inner and Outer Stringer measurements Unique Winder Stairs feature for detailed planning of each tread, ensuring precise execution of complex designs Specialized calculators for Hip Stringers and Stairs with Landings, offering comprehensive design solutions The RedX Stair App is the ultimate tool for transforming your stair design process with the power of 3D visualization. Download now to experience unparalleled precision and creativity in stair design. Stay ahead with continuous updates and new features, elevating your design capabilities to new heights. Explore our Terms of Use at RedX Roof Terms for more information. In-app purchases available for premium features. Subscription options include a monthly or yearly Stairs App Pro Subscription, with payment charged to your iTunes account and easy management of auto-renewal settings in the App Store. Pricing details and subscription terms available within the app.

Released
October 25, 2021

4 years on Google Play

Version
3.1.9
Updated
Jul 31, 2026
Content Rating
Everyone
Installs
100,000+
Developer
RedXApps
Website
https://www.redxapps.com
Email
josh@redxroof.com
In-app purchases
No

This app isn't currently appearing in any tracked top charts.

Rating breakdown

5
583
4
69
3
69
2
55
1
250