ProProfs Knowledge Base vs Zendesk
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Zendesk is the stronger AI pick in Knowledge Management: it has a visibility score of 9.4 versus 0.7 for ProProfs Knowledge Base.
Choose ProProfs Knowledge Base if…
- free-forever tier with unlimited public views
Choose Zendesk if…
- You want the brand AI engines rank higher (9.4 vs 0.7)
- AI answers describe it more positively (34% vs 0% positive)
- You need SOC 2 Type II or ISO 27001:2022 or ISO 27018:2019 or ISO 27701:2019 or ISO 27017:2015 or ISO 42001:2023 or FedRAMP LI-SaaS or Cyber Essentials Plus coverage
- You prefer a larger, established vendor (5,000+ employees)
AI visibility side by side
Latest weekly run · Nov 3
| Metric | ProProfs Knowledge Base | Zendesk |
|---|---|---|
| Visibility score | 0.7% | 9.4% |
| Change vs last week | New | New |
| Rank in Knowledge Management | #43 | #11 |
| Share of voice | 0.2% | 3.7% |
| Mentions this run | 1 | 20 |
| Positive in AI answers | 0% | 34% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
ProProfs Knowledge Base 0pp · Zendesk 0pp over 0 weekly runs.
Engine by engine
Zendesk leads on 3 of 3 engines
Head to head in AI answers
0 engine answers name both brands
Features, pricing & fit
| Dimension | ProProfs Knowledge Base | Zendesk |
|---|---|---|
| Pricing model | — | Per seat |
| Entry price | — | $19 per seat / mo |
| Free plan | — | No |
| Deployment | Cloud hosted, with no installation | Cloud (SaaS) |
| Integrations | — | 1800+ |
| Compliance | — | SOC 2 Type II, ISO 27001:2022, ISO 27018:2019, ISO 27701:2019, ISO 27017:2015, ISO 42001:2023, FedRAMP LI-SaaS, Cyber Essentials Plus |
| Support | — | Help Center, Community, Partners |
| Founded | — | 2007 |
| Headquarters | Santa Monica, California | San Francisco, California, United States |
| Employees | 201–500 | 5,000+ |
| Funding | — | Take-private (Hellman & Friedman, Permira) |
| Best for | — | Support teams from startups to enterprises that need omnichannel ticketing with AI automation |
Plans side by side
ProProfs Knowledge Base
Pricing not available.
Zendesk
Pros and cons
Themes from the AI answers that mention each brand
ProProfs Knowledge Base
- free-forever tier with unlimited public views
Zendesk
- Industry leader in omnichannel customer support
- Scalable platform for large enterprise teams
- Mature ticketing operations and SLA management
- Extensive marketplace and broad integrations
- Free trial available for 14 days
- Heavy, slow deployment compared with lighter tools
- High per-agent costs
- AI add-ons billed separately on top of base fee
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “ProProfs Knowledge Base vs Zendesk”, https://slateindex.ai/compare/proprofs-knowledge-base-vs-zendesk, data of Nov 3, 2026. Licence: CC BY 4.0.