# Sheet Bending Calc vs Stair Stringer

The clearest difference is update cadence: Stair Stringer at every 5 weeks against Sheet Bending Calc's every 56 months. Stair Stringer also leads on ratings volume (86 vs 1) and review sentiment (67% vs 50%). Sheet Bending Calc's advantage is rating (5.0 vs 4.7). On price, ads, in-app purchases and monetization model there is nothing between them.

Sheet Bending Calc costs $1.99 and Stair Stringer $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sheet Bending Calc holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Stair Stringer has 86 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 50% of Sheet Bending Calc's written reviews are positive against 67% of Stair Stringer's, so the app with the better star average is not the one people write more warmly about.

Sheet Bending Calc ships an update every 56 months, Stair Stringer every 5 weeks. The most recent releases landed on September 15, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Sheet Bending Calc | Stair Stringer |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sheet-bending-calc/id1490695013/reviews)** | [4.7 (86 ratings)](https://appshunter.io/ios/app/stair-stringer/id1550828339/reviews) |
| Number of ratings | 1 | **86** |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 56 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#126** |
| Size | 2 MB | 2 MB |
| Requires iOS | 16.1 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Imran Pinjara](https://appshunter.io/developer/1484488781) | [H3 Apps, LLC](https://appshunter.io/developer/598620927) |

## What reviewers say

### Sheet Bending Calc

[App page](https://appshunter.io/ios/app/sheet-bending-calc/id1490695013)

Calculate bending allowance, deduction, and required sheet size for metal fabrication. This handy tool simplifies daily bending calculations for fabricators, offering a faster and easier way to determine plate finish sizes.

**Highlights:** Calculate bending allowance, Calculate bending deduction, Determine required plate/sheet size, Calculate plate finish size, Useful for daily fabrication

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Sheet Bending Calc free?

Sheet Bending Calc costs $1.99, with no in-app purchases.

### Is Stair Stringer free?

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

### Which has better reviews, Sheet Bending Calc or Stair Stringer?

Sheet Bending Calc is rated higher. Sheet Bending Calc averages 5.0 out of 5 from 1 ratings, while Stair Stringer averages 4.7 from 86 ratings.

### Do Sheet Bending Calc or Stair Stringer have ads?

Neither Sheet Bending Calc nor Stair Stringer shows ads.

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

Sheet Bending Calc ships an update every 56 months, and Stair Stringer every 5 weeks. Most recently, Sheet Bending Calc was updated on September 15, 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.*