# Visual Stair Calc vs Stair Stringer

The clearest difference is price: Visual Stair Calc at Free against Stair Stringer's $1.99. Visual Stair Calc also leads on iOS requirement (11.0 vs 14.0). Stair Stringer's advantage is rating (4.7 vs 1.0) and update cadence (every 5 weeks vs every 35 months). On ads, in-app purchases and device support there is nothing between them.

Visual Stair Calc is free to download; Stair Stringer costs $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 2, so its average is the more settled of the two. Written reviews point the same way: 50% of Visual Stair Calc's written reviews are positive against 67% of Stair Stringer's.

Visual Stair Calc ships an update every 35 months, Stair Stringer every 5 weeks. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Visual Stair Calc | Stair Stringer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/visual-stair-calc/id1174978871/reviews) | **[4.7 (86 ratings)](https://appshunter.io/ios/app/stair-stringer/id1550828339/reviews)** |
| Number of ratings | 2 | **86** |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 5 weeks** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#196** |
| Size | 39 MB | 2 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dariusz Kalita](https://appshunter.io/developer/1174978870) | [H3Apps LLC](https://appshunter.io/developer/598620927) |

## What reviewers say

### Visual Stair Calc

[App page](https://appshunter.io/ios/app/visual-stair-calc/id1174978871)

Easily calculate essential stair parameters like riser height and run with a single input. Visualize your design with a 3D model and adjust settings to meet building codes or personal preferences. Supports multiple units and offers professional rounding options.

**Highlights:** Automatic riser and run calculation, Adjustable run and stair angle, Filter results by code or preference, Switchable units (cm, mm, inches), 3D stair model preview, Landings on/off, Space requirement dimensions

**Features:** macOS Compatibility

**In-app purchases:** none


### Stair Stringer

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

**Currently charting:** #196 Top Paid · Utilities (US App Store)

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 Visual Stair Calc free?

Visual Stair Calc is free to download, with no in-app purchases.

### Is Stair Stringer free?

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

### Which has better reviews, Visual Stair Calc or Stair Stringer?

Stair Stringer is rated higher. Visual Stair Calc averages 1.0 out of 5 from 2 ratings, while Stair Stringer averages 4.7 from 86 ratings.

### Do Visual Stair Calc or Stair Stringer have ads?

Neither Visual Stair Calc nor Stair Stringer shows ads.

### Which is updated more often, Visual Stair Calc or Stair Stringer?

Visual Stair Calc ships an update every 35 months, and Stair Stringer every 5 weeks. Most recently, Visual Stair Calc was updated on September 29, 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.*