# StairBuilderPro vs wAVMon

The clearest difference is price: wAVMon at Free against StairBuilderPro's $4.99. wAVMon also leads on device support (3 vs 1). StairBuilderPro's advantage is iOS requirement (8.0 vs 11.4). On update cadence, ads and in-app purchases there is nothing between them.

wAVMon is free to download; StairBuilderPro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

StairBuilderPro ships an update every 8 months, wAVMon every 13 months. The most recent releases landed on September 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | StairBuilderPro | wAVMon |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.2 (6 ratings)](https://appshunter.io/ios/app/stairbuilderpro/id576147785/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 13 months |
| Monetization | Paid | — |
| Size | 12 MB | 23 MB |
| Requires iOS | **8.0** | 11.4 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Greg Gabrio](https://appshunter.io/developer/304928742) | [Wavlink Technology Ltd](https://appshunter.io/developer/1480190336) |

## What reviewers say

### StairBuilderPro

[App page](https://appshunter.io/ios/app/stairbuilderpro/id576147785)

This iPad app simplifies stair stringer layout by calculating and plotting all necessary points on your board. It eliminates the need for specialized tools and prior knowledge, guiding users through the process with visual aids. Works with both imperial and metric measurements.

**Highlights:** Graphical interface for dimension entry, Automatic plotting of stringer points, Step-by-step visual guidance, Imperial and metric measurement support, Eliminates need for framing square, Connect-the-dots cutting method

**Features:** macOS Compatibility

**In-app purchases:** none


### wAVMon

[App page](https://appshunter.io/ios/app/wavmon/id1529982325)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is StairBuilderPro free?

StairBuilderPro costs $4.99, with no in-app purchases.

### Is wAVMon free?

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

### Do StairBuilderPro or wAVMon have ads?

Neither StairBuilderPro nor wAVMon shows ads.

### Which is updated more often, StairBuilderPro or wAVMon?

StairBuilderPro ships an update every 8 months, and wAVMon every 13 months. Most recently, StairBuilderPro was updated on September 25, 2026 and wAVMon on October 6, 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.*