Honest comparison
The Site Book wins for builders who need UK CDM document creation; SafetyCulture (iAuditor) is the right call for enterprise operations teams running global inspections and audits across many industries.
The Site Book is a UK-only CDM 2015 compliance tool generating RAMS, CPPs, inductions and toolbox talks from a plain-English brief, flat £30/month. SafetyCulture (iAuditor) is a global audit and inspection platform starting at per-seat pricing with an enterprise-sales motion. Pick The Site Book if you're a UK sole trader or small builder needing CDM documents; pick SafetyCulture if you need multi-country inspection workflows and already have an H&S team.
Reviewed
Based on publicly available vendor documentation and published pricing as of 2026-04-15.
Pricing, fit, and feature coverage side by side.
| Feature | The Site Book | SafetyCulture (iAuditor) |
|---|---|---|
| Pricing | from £30/mo | From £19/seat/mo (minimum seats apply) |
| Team size | 1–50 | 50+ |
| Best for | Small-to-mid UK builders (1–50 users) who need a full CDM pack -RAMS, CPP, COSHH, site inductions, toolbox talks -without paying enterprise per-seat prices. | Large enterprises and operations/EHS teams that need a global checklist and audit platform across multiple industries, not CDM-specific document creation. |
| Not ideal for | New product (launched 2025) -smaller customer base and shorter track record than established tools like HandsHQ. | Global product -UK CDM 2015 regulations require manual setup and customisation; no UK-specific RAMS/CPP/COSHH content out of the box. |
| RAMS | AI-generated, site-specific, edit in-browser. | |
| CPP | Full Construction Phase Plans -not just RAMS. | |
| COSHH | ||
| Method statements | ||
| Site inductions | Workers sign from their phone. | Custom form builder required. |
| Worker cert tracking | ||
| Incident log | Core use case -audit and incident logging. | |
| Permits to work | ||
| Site diary | ||
| Subcontractor tracking | ||
| Toolbox talks | Can run as checklists. | |
| PCPP import | Upload an existing PCPP and reuse the structure. | |
| Document checking | ||
| Data export | ||
| AI chat |
SafetyCulture (iAuditor) is a powerful inspection and audit tool - if you have a dedicated EHS team, a safety manager, and weeks to configure custom templates for UK construction. But SafetyCulture is a checklist and audit platform, not a document builder: creating a CDM-compliant RAMS requires significant custom setup and real expertise. It is industry-agnostic and global, so its templates are not aligned with CDM 2015 out of the box, and the per-seat model from nineteen pounds a user stacks up fast. The Site Book gives you UK-specific RAMS, CPPs, COSHH assessments, and site inductions in minutes instead of weeks, at a flat rate that does not penalise team growth.
At-a-glance fit per product - pulled from the same data that drives the snapshot table.
Pick the option that matches how your team actually works.
The Site Book wins for builders who need UK CDM document creation; SafetyCulture (iAuditor) is the right call for enterprise operations teams running global inspections and audits across many industries.
Strengths, weaknesses, fit, and the sources every claim came from.
The Site Book Ltd
from £30/mo
SafetyCulture Pty Ltd
From £19/seat/mo (minimum seats apply)
Pricing
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Short, straight answers - the same questions real builders ask.
No. SafetyCulture, formerly iAuditor, is a global inspection and audit platform - it excels at checklist-driven fieldwork and incident logging, but it is not a UK CDM document creator. It does not generate RAMS, CPPs, COSHH assessments, or method statements. The Site Book generates all of these from a plain-English job description against CDM 2015 requirements, with no template editing or per-seat upsell required.
SafetyCulture starts from around nineteen pounds per seat per month with minimum seats, so cost scales with the team. The Site Book is flat-rate from thirty pounds a month for one to fifty users, which is cheaper for any firm above a handful of seats and predictable as the team grows. The flat rate avoids the per-seat trap that hits small builders adding casual labour.
Some enterprise teams do - SafetyCulture for inspection checklists, The Site Book for CDM compliance documents. They solve different problems. SafetyCulture is about ongoing audit and inspection workflows. The Site Book is about producing the RAMS, CPP, and COSHH documents you hand to workers before they start, plus the digital site induction and worker sign-off needed to keep the audit trail intact.
The Site Book is built specifically for sole traders and small to mid UK builders working under CDM 2015. Its features map directly to UK duties - the CPP, the RAMS, the F10, the site induction. SafetyCulture is industry-agnostic and global, so its templates are not aligned with UK construction law out of the box. For a UK builder, the localisation alone saves time on every project.
Yes. The Site Book has a free tier that lets you create your first project and generate real documents - your CPP, RAMS, and site induction - without entering a credit card. SafetyCulture also has a free trial but it is built around inspection workflows, not document creation. The Site Book lets you see the actual CDM document output on day one, which is what UK builders are evaluating.
Based on publicly available vendor documentation and published pricing as of 2026-04-15.
Every pricing, feature, and fit claim in this comparison is pulled from public vendor documentation and cross-checked against independent sources. The “source basis” footer on each product card lists the exact URLs and the date we fetched them. We revisit this page at least every 90 days - last reviewed on .