# Home Builder Pro Calcs vs Stair Stringer

The clearest difference is price: Stair Stringer at $1.99 against Home Builder Pro Calcs's $9.99. Stair Stringer also leads on update cadence (every 5 weeks vs every 3 months). Home Builder Pro Calcs's advantage is ratings volume (1.1K vs 86) and review sentiment (78% vs 67%). On rating, ads, in-app purchases and device support there is nothing between them.

Home Builder Pro Calcs costs $9.99 and Stair Stringer $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.7 for Home Builder Pro Calcs against 4.7 for Stair Stringer. That said, the two scores are not equally well evidenced: Home Builder Pro Calcs has 1.1K ratings behind it against 86, so its average is the more settled of the two. Written reviews are what separate them: 78% of Home Builder Pro Calcs's written reviews are positive against 67% of Stair Stringer's.

Home Builder Pro Calcs ships an update every 3 months, Stair Stringer every 5 weeks. The most recent releases landed on October 3, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Home Builder Pro Calcs | Stair Stringer |
| --- | --- | --- |
| Price | $9.99 | **$1.99** |
| Rating | [4.7 (1.1K ratings)](https://appshunter.io/ios/app/home-builder-pro-calcs/id437282128/reviews) | [4.7 (86 ratings)](https://appshunter.io/ios/app/stair-stringer/id1550828339/reviews) |
| Number of ratings | **1.1K** | 86 |
| Positive reviews | **78.1% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 21 MB | 2 MB |
| Requires iOS | **9.3** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Calculated Industries](https://appshunter.io/developer/370406449) | [H3 Apps, LLC](https://appshunter.io/developer/598620927) |

## What reviewers say

### Home Builder Pro Calcs

[App page](https://appshunter.io/ios/app/home-builder-pro-calcs/id437282128)

This app provides over 440 construction and home improvement calculations, including cost and time estimates, and quantity take-offs. It supports U.S. imperial and metric measurements, and allows calculations to be saved and emailed.

**Highlights:** 440+ construction calculators, Cost and time estimates, Quantity take-offs, Unit conversions, Save and email calculations, Decimal and fraction results, U.S. imperial and metric support

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful features
- 🚀 Versatile
- 👍 Useful for professionals and DIYers
- 🚀 Time-saving

**What reviewers complain about**

- 🐛 Calculation errors
- 🔍 Difficult to navigate
- 🔍 Lack of metric/international support
- 🐛 Crashes and freezes
- 🔍 Missing key features (e.g., deck calculator)

**Reported bugs**

- Incorrect rafter calculations
- Cannot delete tapes or history
- Calculator freezes on certain inputs
- Feet and inches input not working properly

**Requested features**

- Improved metric support
- More customization options
- Deck and fence calculators
- Better organization and navigation
- Tutorials and FAQs


### 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 Home Builder Pro Calcs free?

Home Builder Pro Calcs costs $9.99, with no in-app purchases.

### Is Stair Stringer free?

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

### Which has better reviews, Home Builder Pro Calcs or Stair Stringer?

Home Builder Pro Calcs and Stair Stringer are both rated 4.7 out of 5 on the App Store, from 1.1K and 86 ratings respectively.

### Do Home Builder Pro Calcs or Stair Stringer have ads?

Neither Home Builder Pro Calcs nor Stair Stringer shows ads.

### Which is updated more often, Home Builder Pro Calcs or Stair Stringer?

Home Builder Pro Calcs ships an update every 3 months, and Stair Stringer every 5 weeks. Most recently, Home Builder Pro Calcs was updated on October 3, 2026 and Stair Stringer on September 23, 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.*