Downloads
3D Stair Design: Straight, Spiral, Winder Stairs, Stringer PDFs, Share Plans
AppBrain's verdict
Established- Rating on Google Play
- 3.57
- 1,039 ratings
- Installs
- 190 thousand
- Last updated
- July 31, 2026
- Ads
- No ads
- Size
- 113.3 MB
RedX Stairs - 3D Calculator has 190 thousand installs. Users are divided: 3.6 stars from 1,039 ratings.
Summary
RedX Stairs - 3D Calculator combines immersive 3D visualization with a focused suite of stair calculators, from Straight to Spiral and Winder designs, plus to-scale plans and multi-unit measurements. With 100,000+ total downloads and 2.8K in the last 30 days, it serves professionals and DIY enthusiasts seeking precise stair design.
Pros & Cons
- Offers immersive 3D visualization for diverse stair configurations
- Extensive calculators for straight, L-, U-, spiral, and winder stairs
- Multi-unit measurement support (CM, MM, feet, inches) for global use
- In-app design storage, sharing, printing, and plan management
- Not ranked in any top lists, limiting visibility versus competitors
- In-app purchases (Stairs App Pro) may require ongoing subscriptions for premium features
- Broad permission set (including location, microphone, Bluetooth, and ads IDs) warrants user privacy review
User feedback
Ratings and reviews on Google PlayComments on RedX Stairs - 3D Calculator for Android
Google Play Rating history and histogram
Store listing
By RedXApps, from Google PlayDescription by RedXApps Written by the developer, not by AppBrain. Click to read.
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.
Recent changes:
Minor improvements and bug fixes
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- ?
- App size
- 113.3 MB
- Content rating
- Everyone
Technologies used by RedX Stairs - 3D Calculator
Releases
Updates seen on Google Play- Version
- 3.1.9
- Launched
- November 2021
- Jul 31, 2026UpdateVersion 3.1.9
- Jun 22, 2026UpdateVersion 3.1.7
- Jun 16, 2026UpdateVersion 3.1.6
- Oct 25, 2025UpdateVersion 3.1.4
- Jun 3, 2025UpdateVersion 3.1.3
Alternatives
Similar apps and more from RedXAppsAlternatives to RedX Stairs - 3D Calculator
More from RedXApps
Installs
Tracked by AppBrain- Last 30 days
- 2.8 thousand
- Per day
- 93
- 30-day average
- Play install range
- 100+ thousand
- Launched
- November 2021
Installs over time
RedX Stairs - 3D Calculator has been installed 190 thousand times. Over the past 30 days, it averaged 93 installs per day.
Rankings
Google Play top chartsGoogle Play Rankings for RedX Stairs - 3D Calculator
About the app and developer
About RedX Stairs - 3D Calculator
RedX Stairs - 3D Calculator is a tools app developed by RedXApps.
Install Statistics
RedX Stairs - 3D Calculator has been downloaded 190 thousand times. In the last 30 days, the app was downloaded 2.8 thousand times.
User Ratings
RedX Stairs - 3D Calculator is rated 3.57 out of 5 stars. The rating is based on 1 thousand ratings.
App Information
RedX Stairs - 3D Calculator is freely available from Google Play. The APK size is 113.28 MB. The latest APK version available is 3.1.9. The last update was on July 31, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play since November 2021.
RedX Stairs - 3D Calculator is made and published by RedXApps. AppBrain is an independent app data site and isn't affiliated with RedXApps. The app name, icon, screenshots and description belong to RedXApps and are shown as published on Google Play.
App Performance Report
Get a detailed PDF report for RedX Stairs - 3D Calculator with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for RedXApps
Frequently asked questions about RedX Stairs - 3D Calculator
Is RedX Stairs - 3D Calculator free?
Yes. RedX Stairs - 3D Calculator is free on Google Play.
Is RedX Stairs - 3D Calculator still available?
Yes. RedX Stairs - 3D Calculator is on Google Play, and the last update we saw was on July 31, 2026.
Does RedX Stairs - 3D Calculator contain ads?
No. Google Play does not list RedX Stairs - 3D Calculator as containing ads.
How large is RedX Stairs - 3D Calculator?
RedX Stairs - 3D Calculator is 113.28 MB.
Is RedX Stairs - 3D Calculator suitable for children?
Google Play rates the content of RedX Stairs - 3D Calculator as suitable for everyone.
How many times has RedX Stairs - 3D Calculator been installed?
Google Play lists 100,000+ installs for RedX Stairs - 3D Calculator.
How do people rate RedX Stairs - 3D Calculator?
RedX Stairs - 3D Calculator scores 3.57 out of 5 stars, from 1,039 ratings on Google Play.
Who made RedX Stairs - 3D Calculator?
RedX Stairs - 3D Calculator was developed by RedXApps. It is listed in the tools category on Google Play.
What are the best alternatives to RedX Stairs - 3D Calculator?
People looking at RedX Stairs - 3D Calculator also look at these tools apps: Classic stair calculator, Stairs-X Lite - Calculator, Stairs-X Pro Stairs Calculator, Stair Calculator Riser Tread, Construction Calculator (feet).
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