Stair Help vs Construction Calculator
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)
Construction Calculator
This app is a powerful calculator designed for construction and woodworking professionals, as well as students. It simplifies calculations involving feet, inches, and fractions, offering conversions between various measurement units and displaying equations and results simultaneously. Advanced features are available through optional in-app purchases.
- Decimal to fraction converter
- Fraction to decimal conversion
- Simultaneous equation and result display
- Advanced editing capabilities
- Today Screen integration
- Support for multiple dimensional formats
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Award Winning Feet Inch Fraction Construction Calculator for iPhone and iPad. Designed with simplicity, usability and beauty in mind! FEATURES: - Elegant & Intuitive interface - Decimal to fraction converter - Fraction to decimal conversion - Displays both the equation & the result at the same time - Advanced editing by easily going back and forth - Can be added to Today Screen Ideal for those who work in construction, woodworking and for students to check up their homework! If you are looking for more advanced features you can upgrade to one or more of the following: - Stairs Calculator - Common Rafter Calculator - Hip/Valley Rafter Calculator - Triangle Calculator - Circular Calculator - Arc Calculator - Work in and convert between all building dimensional formats: feet-inch-fractions, inch fraction, yards, decimal feet (10th, 100th), decimal inches and metric (km, m, cm, mm) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Construction Calculator at Free against Stair Help's $1.99. Construction Calculator also leads on update cadence (every 6 days vs every 8 months) and review sentiment (54% vs 25%). Stair Help's advantage is in-app purchases (none vs 9) and iOS requirement (10.0 vs 16.4). On rating, ratings volume, 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
Construction Calculator is free to download; Stair Help costs $1.99 up front. Construction Calculator sells 8 in-app purchases, starting at $4.99 per month. Stair Help asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for Stair Help against 4.7 for Construction Calculator. Both are backed by a comparable volume of ratings — 239 and 667 respectively. Written reviews are what separate them: 25% of Stair Help's written reviews are positive against 54% of Construction Calculator's.
Stair Help ships an update every 8 months, Construction Calculator every 6 days. The most recent releases landed on October 19, 2026 and October 21, 2026 respectively.
| Parameter | Stair Help | Construction Calculator |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.6 (239 ratings) | 4.7 (667 ratings) — better |
| Positive reviews | 25.0% of reviews | 53.7% of reviews — better |
| Number of ratings | 239 | 667 — better |
| Update frequency | Every 8 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 10.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 5 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Armchair Engineering | xNeat.com |
Customer experience
Stair Help
Construction Calculator
Bugs and requests
Stair Help
Not enough reviews yet to summarise bugs or requests.
Construction Calculator
Reported bugs
3 issues- Calculation errors and incorrect results
- Freezing and crashing on certain devices
- Compatibility issues with newer OS versions
Requested features
4 requests- Bring back fraction display in results
- Allow offline use without subscription
- Add more construction-specific tools
- Improve user interface and usability
In-app purchases
Stair Help
No in-app purchases
Construction Calculator
- Construction Calculator3 Days trial$4.991 Month
- Construction Calculator7 Days trial$39.991 Year
- Themes$1.99
- Calculator Plus$3.99
- Rafter$4.99
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- Stair Calculator$4.99
- Fraction Calculator$9.99
- Construction Calculator2 variants$14.99
Questions
Is Stair Help free?
Is Construction Calculator free?
Which has better reviews, Stair Help or Construction Calculator?
Do Stair Help or Construction Calculator have ads?
Which is updated more often, Stair Help or Construction Calculator?
Other comparisons
