# Stair Help vs Stair Calculator Plus

The clearest difference is rating: Stair Help at 4.6 against Stair Calculator Plus's 3.0. Stair Help also leads on review sentiment (25% vs 0%) and update cadence (every 8 months vs every 43 months). On ads, in-app purchases and device support there is nothing between them.

Stair Help costs $1.99 and Stair Calculator Plus $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stair Help holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Stair Help has 241 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 25% of Stair Help's written reviews are positive against 0% of Stair Calculator Plus's.

Stair Help ships an update every 8 months, Stair Calculator Plus every 43 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Stair Help | Stair Calculator Plus |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | **[4.6 (241 ratings)](https://appshunter.io/ios/app/stair-help/id1029967951/reviews)** | [3.0 (18 ratings)](https://appshunter.io/ios/app/stair-calculator-plus/id1442478865/reviews) |
| Number of ratings | **241** | 18 |
| Positive reviews | **25.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 43 months |
| Monetization | **Free** | Paid |
| Size | 5 MB | 8 MB |
| Requires iOS | **10.0** | 12 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [Nitrio](https://appshunter.io/developer/321121189) |

## What reviewers say

### Stair Help

[App page](https://appshunter.io/ios/app/stair-help/id1029967951)

This application simplifies staircase construction by accurately calculating essential measurements like riser, going, and stringer lengths. It offers customizable units, riser height, and precision settings for fractions and decimal places.

**Highlights:** Calculate riser, going, stringer, and base lengths, Set preferred units (mm, cm, inches), Adjustable max riser height, Set preferred decimal places, Set fraction of an inch precision

**Features:** Vision Pro support

**In-app purchases:** none


### Stair Calculator Plus

[App page](https://appshunter.io/ios/app/stair-calculator-plus/id1442478865)

This utility app assists with stair design by instantly calculating crucial measurements like rise, run, and rail angle. It supports high precision with up to 16 decimal places and offers flexibility with various input units. Results can be easily copied to other applications for seamless workflow integration.

**Highlights:** Instant stair rise and run calculation, Calculate stair rail angle, Determine stringer length, Support for 16 decimal places, Multiple input units, Copy results to other apps

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

**In-app purchases:** none


## Frequently asked questions

### Is Stair Help free?

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

### Is Stair Calculator Plus free?

Stair Calculator Plus costs $2.99, with no in-app purchases.

### Which has better reviews, Stair Help or Stair Calculator Plus?

Stair Help is rated higher. Stair Help averages 4.6 out of 5 from 241 ratings, while Stair Calculator Plus averages 3.0 from 18 ratings.

### Do Stair Help or Stair Calculator Plus have ads?

Neither Stair Help nor Stair Calculator Plus shows ads.

### Which is updated more often, Stair Help or Stair Calculator Plus?

Stair Help ships an update every 8 months, and Stair Calculator Plus every 43 months. Most recently, Stair Help was updated on November 1, 2026 and Stair Calculator Plus on November 2, 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.*