Apps by Phan Nhat Đang
Stair Calculator: Construction app icon

Utilities

Stair Calculator: Construction

Phan Nhat Đang

Free download 4.10 · 7 storefronts · 893 ratings In-app purchases
Open on Apple

About this app

The Stair Calculator is a tool for calculating various parameters involved in the construction of stairs. Features: - Calculate the parameters to build stairs. - Flexible input parameters: Run or Total Run - Based on input parameters to give the largest and smallest number of steps sets. - Support various unit for each input - Copy result to clipboard Important: Results are generated based on user-provided values and general calculation models. The app is intended for reference and educational purposes only. Please verify all measurements, local building requirements, and safety standards before actual construction. This subscription package offers users unlimited access to all app features throughout the subscription period. • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • Account will be charged for renewal within 24 hours prior to the end of the current period, and identify the cost of the renewal. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://13520178.github.io/StairCalc/policy.html Terms of Use: https://13520178.github.io/StairCalc/terms.html We are happy to serve! If you have any requests or suggestions, do not hesitate to contact us. Email: phannhatd@gmail.com

Latest release

What’s New

Version 2.2.0 May 26, 2026

Bug fixes and performance improvements.

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
736 ratings
736 Aug 10, 2026 · 736 ratings Aug 10, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 10, 2026 · Free Aug 10, 2026 · Free Aug 10, 2026 Aug 10, 2026
  1. First observed Aug 10, 2026 · 6:29 AM Free

Screenshots

Stair Calculator: Construction iPhone screenshotStair Calculator: Construction iPhone screenshotStair Calculator: Construction iPhone screenshot Stair Calculator: Construction iPad screenshotStair Calculator: Construction iPad screenshotStair Calculator: Construction iPad screenshot