Stair Calculator vs Polynomial Calculator
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
Polynomial Calculator
This application efficiently solves and simplifies polynomial expressions. It supports various operations like addition, subtraction, multiplication, division, factoring, and evaluation for algebraic functions. Ideal for students and professionals needing quick and accurate math solutions.
- Solve polynomial expressions
- Simplify algebraic functions
- Add, subtract, multiply, divide polynomials
- Factor polynomials
- Evaluate polynomials
- Clean interface
- Accurate results
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A Polynomial Calculator app helps you quickly solve and simplify polynomial expressions with ease. Whether you’re working with basic equations or advanced algebraic functions, this tool lets you add, subtract, multiply, divide, factor, and evaluate polynomials in seconds. Designed for students, teachers, engineers, and math enthusiasts, the app offers a clean interface and accurate results for faster problem-solving. From homework to professional calculations, this polynomial calculator makes handling complex expressions simple and efficient. Perfect for Algebra, Calculus, and Engineering tasks—calculate smarter and save valuable time.
Screenshots
Verdict
The clearest difference is price: Stair Calculator at Free against Polynomial Calculator's $3.99. Stair Calculator also leads on rating (4.1 vs 1.0) and ratings volume (740 vs 3). Polynomial Calculator's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 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; Polynomial Calculator costs $3.99 up front. Stair Calculator sells 2 in-app purchases, starting at $9.99 per year. Polynomial Calculator 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 740 ratings behind it against 3, 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 Polynomial Calculator's.
Stair Calculator ships an update every 3 months, Polynomial Calculator every 10 months. Both last shipped on November 3, 2026.
| Parameter | Stair Calculator | Polynomial Calculator |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 4.1 (740 ratings) — better | 1.0 (3 ratings) |
| Positive reviews | 21.4% of reviews — better | 0.0% of reviews |
| Number of ratings | 740 — better | 3 |
| Update frequency | Every 3 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Phan Nhat Đang | Kantaben Gorasiya |
Customer experience
Stair Calculator
Polynomial Calculator
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
Polynomial Calculator
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
Polynomial Calculator
No in-app purchases
Questions
Is Stair Calculator free?
Is Polynomial Calculator free?
Which has better reviews, Stair Calculator or Polynomial Calculator?
Do Stair Calculator or Polynomial Calculator have ads?
Which is updated more often, Stair Calculator or Polynomial Calculator?
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