# Singenuity Kiosk vs Stair Stringer

The clearest difference is price: Singenuity Kiosk at Free against Stair Stringer's $1.99. Stair Stringer's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.6). On update cadence, ads and in-app purchases there is nothing between them.

Singenuity Kiosk is free to download; Stair Stringer costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Singenuity Kiosk ships an update every 2 months, Stair Stringer every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Singenuity Kiosk | Stair Stringer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[4.7 (88 ratings)](https://appshunter.io/ios/app/stair-stringer/id1550828339/reviews)** |
| Number of ratings | — | **88** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Paid |
| Size | 92 MB | 2 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Singenuity, LLC](https://appshunter.io/developer/1069760342) | [H3Apps LLC](https://appshunter.io/developer/598620927) |

## What reviewers say

### Singenuity Kiosk

[App page](https://appshunter.io/ios/app/singenuity-kiosk/id1271868419)

**Features:** macOS Compatibility, 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 Singenuity Kiosk free?

Singenuity Kiosk is free to download, with no in-app purchases.

### Is Stair Stringer free?

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

### Do Singenuity Kiosk or Stair Stringer have ads?

Neither Singenuity Kiosk nor Stair Stringer shows ads.

### Which is updated more often, Singenuity Kiosk or Stair Stringer?

Singenuity Kiosk ships an update every 2 months, and Stair Stringer every 5 weeks. Most recently, Singenuity Kiosk was updated on October 24, 2026 and Stair Stringer on October 24, 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.*