Geomulator vs Stair Stringer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Geomulator
Quickly calculate unknown values for common 2D shapes like squares, circles, and triangles. Supports various angle input formats and customizable decimal places for accurate results.
- Calculate common 2D shapes
- Solve geometry equations accurately
- Input angles in radians, decimal degrees, or DMS
- Select number of decimal places
Read full descriptionHide full description
Solve planar shapes fast! Geomulator is a geometry calculator that will help you quickly find unknown values for a variety of common 2D shapes: square, rectangle, circle, ellipse (oval), triangle, right triangle, trapezoid. Features Include: - Accurately solve geometry equations - Enter angles in radians, decimal degrees or degrees, minutes, seconds (DMS) - Select your preferred number of decimal places
Stair Stringer
This app calculates all necessary measurements for building a stair stringer, including risers, run, angle, and length. Easily adjust parameters and switch between Imperial and Metric units. Share your calculated results via email or text.
- Calculates stair risers and run
- Determines stair angle and stringer length
- Calculates step height and tread depth
- Determines the number of steps
- Adjustable parameters
- Imperial or Metric units
- Share results via email/text
Read full descriptionHide full description
This App is used for finding the measurements needed to construct a Stair Stringer. It calculates stair risers and run, stair angle, stringer length, step height, tread depth, and the number of steps required for a given run of stairs. Easy to adjust parameters to customize and fit your requirements. Inputs and Results can be Imperial or Metric. The calculated results can be emailed or texted as needed.
Screenshots
Verdict
The clearest difference is review sentiment: Stair Stringer at 67% against Geomulator's 0%. Stair Stringer also leads on rating (4.7 vs 1.0) and update cadence (every 5 weeks vs every 14 months). On price, ads, in-app purchases and monetization model 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
Geomulator costs $1.99 and Stair Stringer $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Stair Stringer holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Stair Stringer has 86 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Geomulator's written reviews are positive against 67% of Stair Stringer's.
Geomulator ships an update every 14 months, Stair Stringer every 5 weeks. The most recent releases landed on September 9, 2026 and October 8, 2026 respectively.
| Parameter | Geomulator | Stair Stringer |
|---|---|---|
| Price | $1.99 | $1.99 |
| Rating | 1.0 (1 ratings) | 4.7 (86 ratings) — better |
| Positive reviews | 0.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 1 | 86 — better |
| Update frequency | Every 14 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Armchair Engineering | H3Apps LLC |
Customer experience
Geomulator
Stair Stringer
In-app purchases
Geomulator
No in-app purchases
Stair Stringer
No in-app purchases
Questions
Is Geomulator free?
Is Stair Stringer free?
Which has better reviews, Geomulator or Stair Stringer?
Do Geomulator or Stair Stringer have ads?
Which is updated more often, Geomulator or Stair Stringer?
Other comparisons
