Sologic teaches your team to build a rigorous causal logic tree. DatumKeep runs the analysis with your plant’s own solved history already in the room — and keeps the result working for the next analysis instead of filing it.
You want a teachable causal-logic discipline your analysts carry between incidents, industries and employers — with formal training behind it — and your organisation already retains and reuses past investigations well.
Your recurring pain is knowledge loss: the same failure re-investigated line after line, plant after plant. You want guided analysis, real SPC evidence and automatic reuse of your own solved cases in one system.
Sologic is a well-known root cause analysis methodology built around cause-and-effect logic trees, offered with training and supporting software. Its strength is a clear, teachable causal discipline that applies across industries.
DatumKeep is a quality intelligence platform for manufacturing: AI-guided RCA with 5-Why, Ishikawa and 8D, SPC, CAPA and a knowledge engine built from your own resolved cases. This page compares it against Sologic as a causal-analysis methodology and its supporting software, not against its training curriculum — we do not offer one.
Side by side
Read the chips, not the sentences. We start with the rows where Sologic is the better answer.
| What | Sologic | DatumKeep |
|---|---|---|
| Where Sologic is stronger | ||
| Causal-logic depth | Yes Free-form cause-and-effect trees, to whatever depth the case needs. | Partly 5-Why chains and Ishikawa branches — not a free-form logic tree. |
| Training and certification | Yes Formal courses and a recognised practitioner credential. | No None. The product guides the method; it does not certify anyone. |
| Any industry, any incident | Yes A general causal discipline, well beyond manufacturing. | Partly Built specifically for manufacturing quality. |
| Where both do the job | ||
| Structured investigation | Yes A clear, teachable route from problem to verified cause. | Yes 5-Why, Ishikawa and 8D, with steps that unlock as evidence exists. |
| Evidence discipline | Yes Causes must be supported rather than asserted — the core of the method. | Yes Every finding cites its source; the report has an evidence floor. |
| Where DatumKeep is different | ||
| Your past cases resurface | Not the focus Analyses produce reports; reuse is your own practice. | Yes Similar resolved cases surface in context, before you start. |
| Knowledge across sites | Not the focus Per-incident output; cross-site reuse depends on your systems. | Yes One de-duplicated problem → cause → solution store, across lines and sites. |
| SPC evidence in the analysis | Not the focus Causal analysis first; process statistics sit elsewhere. | Yes Control charts, capability with intervals and Gage R&R, same system. |
| AI in the loop | Not the focus The analyst builds and validates the tree. | Yes Drafts hypotheses and cites evidence; a human signs off. |
| Did the fix hold? | Not the focus Quality improves through training and consistent application. | Off by default Solutions scored by whether the failure actually came back. |
| One system for RCA, CAPA and SPC | Partly Analysis-centred, with supporting software. | Yes One core; evidence flows between the modules. |
// Off by default means shipped and enabled per workspace by an admin, not roadmap. Not the focus is not a defect — it means the capability sits outside that product's centre of gravity, as its own positioning describes it. Competitor rows are based on publicly available information; capabilities evolve on both sides, so verify details with each vendor.
What the analysis produces
Not what the method promises — what comes out of the system, every time, in a form a reviewer or an auditor can open. This is the part of a causal argument that is checkable rather than taught.
- A cause structure: Ishikawa across the six branches, or a 5-Why chain, per session
- Hypotheses drafted with the evidence that supports or contradicts each one
- Discarded branches stay on the record instead of disappearing from the report
- Every finding carries a citation to the evidence it came from
- An evidence floor the report cannot be produced below
- Eight documented states where the product declines to answer, each naming its threshold
- Systemic framing enforced in the output — no individual is ever named as a cause
- A de-duplicated problem → cause → solution record written back to the knowledge engine
- An audit-ready PDF per analysis, carrying its traceability chain
- CAPA tracked to closure, with a named human approver on sign-off
// Live today. The one item in the table above marked off by default — scoring whether a fix held — is shipped and enabled per workspace by an admin.