Stair Calculator vs Arch Radius
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Arch Radius
Calculate the radius of an arch by inputting its width and height. This utility app saves your data for future reference, making it a handy tool for construction professionals.
- Calculate arch radius
- Input width (chord) and height
- Save data for later use
- Designed for quick calculations
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ArcRadius will calculate the radius of an arch. For this we only need the width (chord) and the height of the arc. Just enter this values and press calculate to get the radius. It is designed for use on the iPhone too quickly calculates the radius of an arch. It will save the data for later use. Carpenters and other construction builders will appreciate it.
Screenshots
Verdict
The clearest difference is price: Stair Calculator at Free against Arch Radius's $0.99. Stair Calculator also leads on rating (4.1 vs 1.0) and ratings volume (738 vs 1). Arch Radius's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 15.0). On 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
Stair Calculator is free to download; Arch Radius costs $0.99 up front. Stair Calculator sells 2 in-app purchases, starting at $9.99 per year. Arch Radius asks for nothing beyond the download.
Stair Calculator holds the better App Store score, 4.1 against 1.0. That said, the two scores are not equally well evidenced: Stair Calculator has 738 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 21% of Stair Calculator's written reviews are positive against 0% of Arch Radius's.
| Parameter | Stair Calculator | Arch Radius |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.1 (738 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 21.4% of reviews — better | 0.0% of reviews |
| Number of ratings | 738 — better | 1 |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Phan Nhat Đang | Guido Lemmens |
Customer experience
Stair Calculator
Arch Radius
Bugs and 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
Arch Radius
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Stair Calculator
- Annual Premium Package7 Days trial$9.991 Year
- Unlock all features$5.99
Arch Radius
No in-app purchases
Questions
Is Stair Calculator free?
Is Arch Radius free?
Which has better reviews, Stair Calculator or Arch Radius?
Do Stair Calculator or Arch Radius have ads?
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