6 AI search tools with ISO 27001. 3 have a free plan. Half of the paid plans start at $17.99 a month or less. Newest check: 6 Nov 2026.
268 of 721 tools were checked against the vendor's own page in the last 30 days.
| Tool | Price from | Free plan | Runs on | Rating | Checked |
|---|---|---|---|---|---|
| Perplexity AIPerplexity AI answers from the live web with numbered citations and lets paid users pick among models from 6 AI labs; a limited free plan exists. | $17/mo | Yes | Web · iOS · Android · Mac · Windows | 4.4 | 22 Oct |
| GleanEnterprise AI search platform at $300M ARR in 2026, connecting 100+ apps with permissions-aware results, AI agents, and MCP support from ~$50/user/month. | $50/mo | No | Web · iOS · Android | 4.2 | 3 Sep |
| SanaEnterprise AI platform from Sana Labs, now part of Workday, that finds answers across your company's apps and carries out tasks inside them. | Quote | No | Web · iOS | 3.5 | 28 Oct |
| PalmataPalmata is Contentful's AEO platform: a research agent that investigates why AI answer engines describe a brand as they do and recommends content changes, sold as a free one-time sample plus quote-only Enterprise. | -- | Yes | Web | 3.1 | 6 Nov |
| LinerLiner is a Korean AI search and research assistant with line-by-line citations, 14 million registered users and a free plan. | $17.99/mo | Yes | Web | -- | 8 Oct |
| Sprinklr LLM InsightsSprinklr LLM Insights tracks brand visibility, sentiment and recommendations across ChatGPT, Gemini and Perplexity, built from real customer conversations, launched June 2026. | Quote | No | Web · iOS · Android | -- | 19 Aug |
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