Notion is a mature, widely adopted all-in-one workspace with a 4.6/5 rating across 13,836 G2 reviews, a free tier, and strong docs/wiki/project capabilities, making it a solid buy for most teams.
Teams wanting docs, wikis, and project management consolidated in one flexible workspace
Who it's not for
Teams shopping for a knowledge-base or wiki tool
Teams whose workflows depend on heavy automation . reviewers consistently describe Notion as 'brilliant for docs and wikis, frustrating for automation'
Privacy
No known public vulnerabilities found in the sources reviewed.²
Notion publishes SOC 2 certification, infrastructure security details, and AI data-handling practices, and issues security updates.
Public sentiment
No independent user reviews found; only Korean Q&A threads reference the archive for research lookups.⁵
Sentiment is broadly positive at scale: a 4.6/5 G2 rating across 13,836 reviews with consistent praise for flexibility, customization, and organization, and G2 reviewers report Notion excels in overall user satisfaction.⁷
Biggest gotcha
No security page found; nothing public about data handling or uptime²
Pricing is seat-based with four tiers, and guides warn of hidden limits on plans . audit per-seat costs across your whole team before committing15
Pick ETRI Knowledge Sharing Platform when
Researchers needing ETRI papers or patents
Prior-art searches on Korean ICT research
Students citing ETRI outputs
When ETRI Knowledge Sharing Platform is not a fit
Teams shopping for a knowledge-base or wiki tool
Small businesses wanting an internal docs home
Buyers needing support, SLAs, or admin controls
Anyone expecting broad multi-source research content
Pick Notion when
Teams wanting docs, wikis, and project management consolidated in one flexible workspace (thebusinessdive.com/notion-review)
Organizations that value deep customization and knowledge management . Notion is a G2 Leader in Knowledge Management, AI Software, and Project Management (g2.com/sellers/notion-2026-07-28)
Teams adopting AI-assisted work . Notion has moved far beyond a notes app and is increasingly used as an AI workspace (gend.co/blog/notion-g2-best-software-awards-2026)
Buyers on a budget who want to start free and scale into paid seats (lifestack.ai/blog/notion-pricing)
When Notion is not a fit
Teams whose workflows depend on heavy automation . reviewers consistently describe Notion as 'brilliant for docs and wikis, frustrating for automation' (eesel.ai/blog/notion-review)
Organizations that need native email-client and other deep integrations out of the box . missing native connections are the most frequently cited criticism (seatable.com/notion-experiences)
Users who need fast, frictionless note capture . Reddit users report slow quick-access to notes and a real learning curve ('most non user friendly and annoying app' per one reviewer) (reddit.com/r/productivity/comments/1odlc3g/does_anyone_actually_use_notion)
Enterprises needing transparent upfront pricing . the top tier requires contacting sales and you should 'expect it to be significant' (knowledgebase.net/software/notion-review)