2026年版 Roam Researchの代替ツール
Roam Researchから乗り換える理由
無料プランなし、ウェブのみ（ネイティブデスクトップなし）、ObsidianとLogseqの成長でコミュニティが縮小
Roam Research free: No free plan | hard learning curve
Notion
Free personal plan何が違うのか: Teams that want docs, wikis, and project tracking in one tool
料金比較: Roam Research: Pro $15/mo | Notion: Plus $8/user/mo
Obsidian
Free for personal use何が違うのか: Power users and developers who want to own their data and build a personal knowledge graph
料金比較: Roam Research: Pro $15/mo | Obsidian: Commercial $50/user/year
Evernote
Free with 60MB/mo uploads and 1 device何が違うのか: People who clip a lot of web content and want powerful search across all their notes
料金比較: Roam Research: Pro $15/mo | Evernote: Personal $14.99/mo
Bear
Free with basic features何が違うのか: Apple users who want a beautiful, distraction-free writing experience
料金比較: Roam Research: Pro $15/mo | Bear: Bear Pro $2.99/mo or $29.99/year
Logseq
Free and open source何が違うのか: Privacy-conscious thinkers who want Roam-style bidirectional linking without the subscription
料金比較: Roam Research: Pro $15/mo | Logseq: Logseq Sync $5/mo (optional cloud sync)
Craft
Free with limited blocks何が違うのか: Apple users who want the most visually polished note-taking experience on Mac, iPad, and iPhone
料金比較: Roam Research: Pro $15/mo | Craft: Pro $5/mo
Mem
Free tier with limited AI何が違うのか: People who hate organizing notes manually and want AI to surface the right information automatically
料金比較: Roam Research: Pro $15/mo | Mem: Mem Plus $14.99/mo
Tana
Free for personal use何が違うのか: Power users who want to build their own personal operating system with structured, queryable notes
料金比較: Roam Research: Pro $15/mo | Tana: Tana Pro $10/mo
Capacities
Free for personal use何が違うのか: Visual thinkers who want Notion’s flexibility with a more personal, object-oriented knowledge system
料金比較: Roam Research: Pro $15/mo | Capacities: Pro $9.99/mo
Reflect
Personal $10/mo何が違うのか: Privacy-conscious thinkers who want Roam-style networked notes without sacrificing encryption or speed
料金比較: Roam Research: Pro $15/mo | Reflect: Personal $10/mo
Amplenote
Free with core note-taking features何が違うのか: People who are tired of juggling a note app plus a task app plus a calendar — this merges all three
料金比較: Roam Research: Pro $15/mo | Amplenote: Pro $5.84/mo (billed annually)