ClientJam vs Notum: Which Is More Trustworthy?
At a glance: verified facts
| Fact | ClientJam | Notum |
|---|---|---|
| Domain registered | 2026-05-08 | — |
| Policy changes we track | None detected | None detected |
| Last data check | 2026-08-01 | 2026-08-01 |
From public records (company registry, RDAP, App Store metadata) and our policy snapshots — a "—" means we have no verified data for that field yet.
What the evidence shows
Both are productivity & assistants tools we track. Comparing the 3 trust dimensions measured for both:
- Notum leads on company & identity (4/4 vs 4.5/8).
- ClientJam leads on data & privacy (7.5/10 vs 2.5/5).
- ClientJam leads on billing & subscription (14.4/20 vs 12.8/20).
Not yet measured for either tool: Product Reality, Community Reputation — this comparison covers only what we verified.
Quick verdicts
ClientJam: ClientJam earns a grade B (69.5/100) on our evidence-based trust rubric, measured on 3 of 5 trust dimensions. It scores well on data & privacy but only moderately on company & identity (4.5/8). We have not yet assessed product reality, so the grade is provisional.
Notum: Notum earns a grade B (66.6/100) on our evidence-based trust rubric, measured on 3 of 5 trust dimensions. It scores strongly on company & identity but only moderately on data & privacy (2.5/5). We have not yet assessed product reality, so the grade is provisional.
Trust score breakdown
| Dimension | ClientJam | Notum |
|---|---|---|
| Company & Identity | 4.5/8 | 4/4 |
| Data & Privacy | 7.5/10 | 2.5/5 |
| Billing & Subscription | 14.4/20 | 12.8/20 |
| Product Reality | — | — |
| Community Reputation | — | — |
| Total | 69.5/100 | 66.6/100 |
What their privacy policies say about AI training
ClientJam (policy captured 2026-06-16):
We may use aggregated or de-identified data to improve the Service.
Notum (policy captured 2026-06-17):
To evaluate and improve our Services, products, marketing, and your
experience.
Quoted verbatim from each vendor's own privacy policy — full context and more excerpts on each tool's report page.
Frequently asked questions
Is ClientJam more trustworthy than Notum?
ClientJam currently scores higher — 69/100 vs 67/100 — across the 3 trust dimensions measured for both. That covers documented evidence only, not features or pricing.
Is ClientJam legit?
ClientJam currently holds trust grade B (69/100) based on 3 of 5 trust dimensions. The grade reflects only what we have measured; anything not yet assessed is marked as pending on the full report.
Is Notum legit?
Notum currently holds trust grade B (67/100) based on 3 of 5 trust dimensions. The grade reflects only what we have measured; anything not yet assessed is marked as pending on the full report.
More Productivity & Assistants comparisons
How this comparison works
Both tools are scored with the same five-dimension, 100-point rubric — company identity, data privacy, billing, product reality and reputation — using documented evidence only; a dimension with no evidence stays unscored instead of guessed. Read the full reports: ClientJam trust report · Notum trust report, or run any other tool through the trust check.