# StairBuilderPro vs TBB Energy Hub

The clearest difference is price: TBB Energy Hub at Free against StairBuilderPro's $4.99. TBB Energy Hub also leads on rating (5.0 vs 3.2) and update cadence (every 2 months vs every 8 months). StairBuilderPro's advantage is ratings volume (6 vs 1) and iOS requirement (8.0 vs 13.0). On ads and in-app purchases there is nothing between them.

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

TBB Energy Hub holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: StairBuilderPro has 6 ratings behind it against 1, so its average is the more settled of the two.

StairBuilderPro ships an update every 8 months, TBB Energy Hub every 2 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | StairBuilderPro | TBB Energy Hub |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.2 (6 ratings)](https://appshunter.io/ios/app/stairbuilderpro/id576147785/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tbb-energy-hub/id6443886412/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 12 MB | 64 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Greg Gabrio](https://appshunter.io/developer/304928742) | [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531) |

## 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


### TBB Energy Hub

[App page](https://appshunter.io/ios/app/tbb-energy-hub/id6443886412)

Monitor your Energy Hub system devices in real time. Track battery status, voltage, and current for the past 12 hours. Optimize charging based on inverter and generator settings.

**Highlights:** Real-time device status, 12-hour battery SOC history, Battery voltage and current data, Optimized charging settings, Inverter and generator configuration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is StairBuilderPro free?

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

### Is TBB Energy Hub free?

TBB Energy Hub is free to download, with no in-app purchases.

### Which has better reviews, StairBuilderPro or TBB Energy Hub?

TBB Energy Hub is rated higher. StairBuilderPro averages 3.2 out of 5 from 6 ratings, while TBB Energy Hub averages 5.0 from 1 ratings.

### Do StairBuilderPro or TBB Energy Hub have ads?

Neither StairBuilderPro nor TBB Energy Hub shows ads.

### Which is updated more often, StairBuilderPro or TBB Energy Hub?

StairBuilderPro ships an update every 8 months, and TBB Energy Hub every 2 months. Most recently, StairBuilderPro was updated on November 1, 2026 and TBB Energy Hub on November 4, 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.*