Obsidian vs ProProfs Knowledge Base
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Obsidian is the stronger AI pick in Knowledge Management: it has a visibility score of 5.2 versus 0.7 for ProProfs Knowledge Base.
Choose Obsidian if…
- You want the brand AI engines rank higher (5.2 vs 0.7)
- AI answers describe it more positively (50% vs 0% positive)
- Strong for personal knowledge management
- Maximum ownership of your files
Choose ProProfs Knowledge Base if…
- You prefer a larger, established vendor (201–500 employees)
- free-forever tier with unlimited public views
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Obsidian | ProProfs Knowledge Base |
|---|---|---|
| Visibility score | 5.2% | 0.7% |
| Change vs last week | New | New |
| Rank in Knowledge Management | #17 | #43 |
| Share of voice | 1.1% | 0.2% |
| Mentions this run | 6 | 1 |
| Positive in AI answers | 50% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Obsidian 0pp · ProProfs Knowledge Base 0pp over 0 weekly runs.
Engine by engine
Obsidian leads on 3 of 3 engines
Head to head in AI answers
0 engine answers name both brands
Features, pricing & fit
| Dimension | Obsidian | ProProfs Knowledge Base |
|---|---|---|
| Pricing model | Per seat | — |
| Entry price | Free; paid from $4 per seat / mo | — |
| Free plan | Yes | — |
| Deployment | Local desktop and mobile apps, with optional cloud Sync and Publish add-ons | Cloud hosted, with no installation |
| Support | Discord community, Discussion forum, Help site, Priority support with paid Sync and Publish plans | — |
| Founded | 2020 | — |
| Headquarters | Toronto, Ontario, Canada | Santa Monica, California |
| Employees | 1–10 | 201–500 |
| Funding | Bootstrapped | — |
| Best for | Individuals and small teams who want private notes stored locally as plain text files they can keep long term | — |
Plans side by side
Obsidian
ProProfs Knowledge Base
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Obsidian
- Strong for personal knowledge management
- Maximum ownership of your files
ProProfs Knowledge Base
- free-forever tier with unlimited public views
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Obsidian vs ProProfs Knowledge Base”, https://slateindex.ai/compare/obsidian-vs-proprofs-knowledge-base, data of Nov 3, 2026. Licence: CC BY 4.0.