RedX Stairs - 3D Calculator

RedX Technology Inc · Utilities

4.5 408 ratings Free

Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Aug 27, 2026
Rating ★ 4.47 → 4.48
Aug 26, 2026
Rating ★ 4.48 → 4.47
Aug 26, 2026
New version 3.1.7 → 3.1.9

New features to the stair builder and improved AI

Price & rating history · US

Reconstructed from the listing changes AppTracker has observed in this storefront, so each line starts at the first change on record.

Average rating history over the observed period. 4.47 4.48 Aug 26 15:40 Aug 27 06:18 Aug 27 20:56 Aug 28 11:34 Aug 29 02:12

Average rating

Screenshots

About

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. ---------- Terms Of Use https://www.redxapps.com/terms-of-service 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.

What's new · 3.1.9

New features to the stair builder and improved AI

Details

ReleasedOct 2021
UpdatedJun 2026
Version3.1.9
Size178.7 MB
RequiresiOS 15.6 or later
Age rating4+
LanguagesEnglish
PriceFree
Categories UtilitiesBusiness
Bundle IDcom.RedXApps.Stairs