Stair Help
Not in any tracked top chart right now.
Updated 28 Sep 2026 · rankings refresh through the day
DeveloperArmchair Engineering
CategoryUtilities
Price2.99 AUD
Released
Rating★ 4.4 (99)
Version1.5.1
Age rating4+
First seen by us
26 Sep 2026
26 Sep 2026Installs (est.)10k+ worldwide
Rating
4.4 ★
99 ratings
Measured
Stair Help on the App Store
App details
App ID
1029967951
Publisher
Armchair Engineering
Minimum OS
iOS 10.0+
iPhone 5 and later
Content rating
4+
Languages
1
EN
Size
5 MB
Stair Help downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.4 ★
99 ratings
Measured
Ratings
99
Measured
About Stair Help
Stair Help is the easiest way to calculate staircase riser, going, stringer & base lengths when building!
Features Include:
- Accurately solve staircase equations
- Set preferred units from: mm, cm, inches
- Adjustable max riser height
- Set preferred number of decimal places
- Set preferred fraction of an inch precision (between 1/2 & 1/256)
Features Include:
- Accurately solve staircase equations
- Set preferred units from: mm, cm, inches
- Adjustable max riser height
- Set preferred number of decimal places
- Set preferred fraction of an inch precision (between 1/2 & 1/256)
Latest updates
1.5.1
- Fixed floating keyboard bug, present on some devices running iOS 13
