# Roofing Sitework Guide vs Knowledge Hub

The clearest difference is review sentiment: Knowledge Hub at 100% against Roofing Sitework Guide's 60%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Roofing Sitework Guide ships an update every 3 months, Knowledge Hub every 2 months. The most recent releases landed on September 20, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Roofing Sitework Guide | Knowledge Hub |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 40 MB | 35 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marley Ltd](https://appshunter.io/developer/1689392240) | [Volution Group](https://appshunter.io/developer/1782103378) |

## What reviewers say

### Roofing Sitework Guide

[App page](https://appshunter.io/ios/app/roofing-sitework-guide/id1076981595)

This app provides instant advice, illustrations, and step-by-step fixing procedures for roofing sitework. It is based on extensive industry experience and relevant British Standards for clay and concrete tiles, dry fix, and ventilation systems.

**Highlights:** Instant on-site advice, Illustrations and procedures, Based on British Standards, Covers tiles, dry fix, and ventilation, Manufacturer expertise

**Features:** macOS Compatibility

**In-app purchases:** none


### Knowledge Hub

[App page](https://appshunter.io/ios/app/knowledge-hub/id1377611313)

Access comprehensive Vent-Axia ventilation product information, including datasheets, instructions, and brochures, in a single, searchable digital location. This app simplifies information retrieval for professionals and homeowners, offering quick access to essential technical details and company resources.

**Highlights:** Searchable digital assets, Technical datasheets, Fitting and wiring instructions, Range brochures, Company information and contact details, Request a call back feature

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Roofing Sitework Guide free?

Roofing Sitework Guide is free to download, with no in-app purchases.

### Is Knowledge Hub free?

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

### Do Roofing Sitework Guide or Knowledge Hub have ads?

Neither Roofing Sitework Guide nor Knowledge Hub shows ads.

### Which is updated more often, Roofing Sitework Guide or Knowledge Hub?

Roofing Sitework Guide ships an update every 3 months, and Knowledge Hub every 2 months. Most recently, Roofing Sitework Guide was updated on September 20, 2026 and Knowledge Hub on September 28, 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.*