# Geomulator vs Stair Stringer

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.

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.

## The numbers

| Metric | Geomulator | Stair Stringer |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/geomulator/id894916514/reviews) | **[4.7 (86 ratings)](https://appshunter.io/ios/app/stair-stringer/id1550828339/reviews)** |
| Number of ratings | 1 | **86** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Size | 3 MB | 2 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [H3Apps LLC](https://appshunter.io/developer/598620927) |

## What reviewers say

### Geomulator

[App page](https://appshunter.io/ios/app/geomulator/id894916514)

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.

**Highlights:** Calculate common 2D shapes, Solve geometry equations accurately, Input angles in radians, decimal degrees, or DMS, Select number of decimal places

**Features:** Vision Pro support

**In-app purchases:** none


### Stair Stringer

[App page](https://appshunter.io/ios/app/stair-stringer/id1550828339)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Geomulator free?

Geomulator costs $1.99, with no in-app purchases.

### Is Stair Stringer free?

Stair Stringer costs $1.99, with no in-app purchases.

### Which has better reviews, Geomulator or Stair Stringer?

Stair Stringer is rated higher. Geomulator averages 1.0 out of 5 from 1 ratings, while Stair Stringer averages 4.7 from 86 ratings.

### Do Geomulator or Stair Stringer have ads?

Neither Geomulator nor Stair Stringer shows ads.

### Which is updated more often, Geomulator or Stair Stringer?

Geomulator ships an update every 14 months, and Stair Stringer every 5 weeks. Most recently, Geomulator was updated on September 9, 2026 and Stair Stringer on October 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*