Comparison

Stair Help vs Stair Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Stair Help

This application simplifies staircase construction by accurately calculating essential measurements like riser, going, and stringer lengths. It offers customizable units, riser height, and precision settings for fractions and decimal places.

Highlights
  • Calculate riser, going, stringer, and base lengths
  • Set preferred units (mm, cm, inches)
  • Adjustable max riser height
  • Set preferred decimal places
  • Set fraction of an inch precision
Features
Read full description

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)

About

Stair Calculator

This app calculates essential parameters for stair construction, offering flexibility in input and providing multiple step set options. It supports various units and allows results to be easily copied.

Highlights
  • Calculate stair construction parameters
  • Flexible input for Run or Total Run
  • Determine largest and smallest step sets
  • Support for various units
  • Copy results to clipboard
Features
Read full description

Stair Calculator helps you calculate and compare staircase dimensions. FEATURES • Calculate using Run, Total Run, or Stair Angle • Enter a specific number of Runs or explore all calculated options • Support Metric and Imperial units • View detailed measurements and stair diagrams • Export results as a PDF or image • Copy results to the 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. SUBSCRIPTION This subscription package offers unlimited access to all app features throughout the subscription period. • Payment will be charged to your Apple Account at confirmation of purchase. • The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • Your Apple Account will be charged for renewal within 24 hours before the end of the current period, and the renewal cost will be identified. • Subscriptions may be managed and auto-renewal may be turned off in your Apple Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable. PRIVACY POLICY https://13520178.github.io/StairCalc/policy.html TERMS OF USE https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ CONTACT If you have any questions or suggestions, please contact us. Email: phannhatd@gmail.com

Screenshots

Stair Help4 screens
Stair Calculator3 screens

Verdict

The call

The clearest difference is price: Stair Calculator at Free against Stair Help's $1.99. Stair Calculator also leads on update cadence (every 3 months vs every 8 months) and ratings volume (740 vs 241). Stair Help's advantage is in-app purchases (none vs 2) and rating (4.6 vs 4.1). On review sentiment, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Stair Calculator is free to download; Stair Help costs $1.99 up front. Stair Calculator sells 2 in-app purchases, starting at $9.99 per year. Stair Help asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Stair Help holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 241 and 740 respectively. Written reviews point the same way: 25% of Stair Help's written reviews are positive against 21% of Stair Calculator's.

UpkeepUpdate frequency

Stair Help ships an update every 8 months, Stair Calculator every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
Stair Help versus Stair Calculator: the parameters behind the verdict, then further details
ParameterStair HelpStair Calculator
Price$1.99Free — better
Rating4.6 (241 ratings) — better4.1 (740 ratings)
Positive reviews25.0% of reviews — better21.4% of reviews
Number of ratings241740 — better
Update frequencyEvery 8 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size5 MB1 MB
Age rating4+4+
DeveloperArmchair EngineeringPhan Nhat Đang

Customer experience

Stair Help

All ratings239 ratings
Positive89.5%
Neutral2.5%
Negative7.9%
Written reviews12 reviews
Positive25.0%
Neutral8.3%
Negative66.7%

Stair Calculator

All ratings738 ratings
Positive77.2%
Neutral5.0%
Negative17.8%
Written reviews28 reviews
Positive21.4%
Neutral7.1%
Negative71.4%

Bugs and requests

Stair Help

Not enough reviews yet to summarise bugs or requests.

Stair Calculator

Reported bugs

2 issues
  • Subscription numbers don't add up
  • Doesn't provide promised features after purchase

Requested features

3 requests
  • Option to uninstall app
  • Ability to calculate run based on rise and landing space
  • Provide more detailed diagrams and visuals

In-app purchases

None

Stair Help

No in-app purchases

2 purchases

Stair Calculator

Subscriptions1
  • Annual Premium Package7 Days trial$9.991 Year
One-time1
  • Unlock all features$5.99

Questions

Is Stair Help free?
Stair Help costs $1.99, with no in-app purchases.
Is Stair Calculator free?
Stair Calculator is free to download, with in-app purchases available.
Which has better reviews, Stair Help or Stair Calculator?
Stair Help is rated higher. Stair Help averages 4.6 out of 5 from 241 ratings, while Stair Calculator averages 4.1 from 740 ratings.
Do Stair Help or Stair Calculator have ads?
Neither Stair Help nor Stair Calculator shows ads.
Which is updated more often, Stair Help or Stair Calculator?
Stair Help ships an update every 8 months, and Stair Calculator every 3 months. Most recently, Stair Help was updated on November 1, 2026 and Stair Calculator on November 3, 2026.

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