Stair Help vs Stair Calculator Plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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)
Stair Calculator Plus
This utility app assists with stair design by instantly calculating crucial measurements like rise, run, and rail angle. It supports high precision with up to 16 decimal places and offers flexibility with various input units. Results can be easily copied to other applications for seamless workflow integration.
- Instant stair rise and run calculation
- Calculate stair rail angle
- Determine stringer length
- Support for 16 decimal places
- Multiple input units
- Copy results to other apps
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Stair Calculator can be used to find stair rise and run, stair rail angle, stringer length, and other important factors of stair design. Features: - Instant calculation - Result are copy able to other app - Formula are include as reference - Support up to 16 decimal place - Support various unit for each input General guidelines in Stair Design : - Run unit should not be less than 10 inches / 25 cm - Rise unit should not exceed 7 3/4 inches / 20 cm A stairway, staircase, stairwell, flight of stairs, or simply stairs is a construction designed to bridge a large vertical distance by dividing it into smaller vertical distances, called steps. Stairs may be straight, round, or may consist of two or more straight pieces connected at angles. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.
Screenshots
Verdict
The clearest difference is rating: Stair Help at 4.6 against Stair Calculator Plus's 3.0. Stair Help also leads on review sentiment (25% vs 0%) and update cadence (every 8 months vs every 43 months). On ads, in-app purchases 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
Stair Help costs $1.99 and Stair Calculator Plus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Stair Help holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Stair Help has 241 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 25% of Stair Help's written reviews are positive against 0% of Stair Calculator Plus's.
Stair Help ships an update every 8 months, Stair Calculator Plus every 43 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.
| Parameter | Stair Help | Stair Calculator Plus |
|---|---|---|
| Price | $1.99 — better | $2.99 |
| Rating | 4.6 (241 ratings) — better | 3.0 (18 ratings) |
| Positive reviews | 25.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 241 — better | 18 |
| Update frequency | Every 8 months — better | Every 43 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 12 |
| Further details — not scored | ||
| Size | 5 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Armchair Engineering | Nitrio |
Customer experience
Stair Help
Stair Calculator Plus
In-app purchases
Stair Help
No in-app purchases
Stair Calculator Plus
No in-app purchases
Questions
Is Stair Help free?
Is Stair Calculator Plus free?
Which has better reviews, Stair Help or Stair Calculator Plus?
Do Stair Help or Stair Calculator Plus have ads?
Which is updated more often, Stair Help or Stair Calculator Plus?
Other comparisons
