# Stair Stringer vs Inclinometer Pro

The clearest difference is update cadence: Stair Stringer at every 5 weeks against Inclinometer Pro's every 6 months. Stair Stringer also leads on chart position (#126 vs unranked) and iOS requirement (14.0 vs 16.6). Inclinometer Pro's advantage is price ($0.99 vs $1.99). On ads, in-app purchases and device support there is nothing between them.

Stair Stringer costs $1.99 and Inclinometer Pro $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stair Stringer ships an update every 5 weeks, Inclinometer Pro every 6 months. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Stair Stringer | Inclinometer Pro |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[4.7 (86 ratings)](https://appshunter.io/ios/app/stair-stringer/id1550828339/reviews)** | — |
| Number of ratings | **86** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | Paid | — |
| Best chart rank | **#126** | — |
| Size | 2 MB | 2 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [H3 Apps, LLC](https://appshunter.io/developer/598620927) | [ERLEND JOHNSRUD VAAGE](https://appshunter.io/developer/1760100550) |

## What reviewers say

### Stair Stringer

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

**Currently charting:** #126 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


### Inclinometer Pro

[App page](https://appshunter.io/ios/app/inclinometer-pro/id6742665082)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Stair Stringer free?

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

### Is Inclinometer Pro free?

Inclinometer Pro costs $0.99, with no in-app purchases.

### Do Stair Stringer or Inclinometer Pro have ads?

Neither Stair Stringer nor Inclinometer Pro shows ads.

### Which is updated more often, Stair Stringer or Inclinometer Pro?

Stair Stringer ships an update every 5 weeks, and Inclinometer Pro every 6 months. Most recently, Stair Stringer was updated on September 23, 2026 and Inclinometer Pro on September 22, 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.*