Notion Pricing vs TriliumNext Notes Cost Analysis

更新日: 2026年8月3日調査チームによる検証済み🛡️ Docker サンドボックス検証済み: Ubuntu 24.04 LTS | 2 vCPU | 4GB RAM | Docker v27.0
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アーキテクチャ・意思決定比較表

Notion と TriliumNext Notes のデータ構造、運用コスト、ライセンスリスクの違いを詳細に分析します。

Notion (Commercial SaaS)
$15 - $50+ / user / mo
⏱️ Zero DevOps Overhead / Managed
☁️ Vendor Cloud Lock-in
VS
TriliumNext Notes (Self-Hosted)
$0 license ($5/mo VPS)
🛠️ 1-2 hrs / mo Docker DevOps
🛡️ 100% Data Sovereignty
ベンダーロックインのリスクスコアが高いほど、ベンダーロックインによる移行障壁が高くなります
Notion9
TriliumNext Notes2
移行の複雑さ本番環境のワークフローをオープンソースに移行する難易度
Notion8
TriliumNext Notes7
運用保守コスト (DevOps Overhead)自己ホスト環境の構築、データベース管理に必要なスキルと時間
Notion1
TriliumNext Notes7
データ主権と所有権データベースのガバナンスとプライバシーコンプライアンスの管理レベル
Notion2
TriliumNext Notes10

At 5 users, Notion Plus costs $480 a year and self-hosted TriliumNext Notes runs $3,780 once engineering time is counted — Notion wins decisively. But run the same math at 100 users on Notion’s Business tier, and TriliumNext’s fixed-cost engineering overhead ($15,600) actually edges out Notion’s escalating per-seat bill ($18,000). The crossover is real, it’s just further out than most people assume.

Notion’s Official Plans

Notion offers a flexible pricing structure catering from individuals to large enterprises, primarily based on a per-user, per-month model.

Plan Monthly Price (per user) Annual Price (per user, monthly equivalent) Key Highlights
Free $0 $0 Unlimited blocks for individuals, 10 guests, 5 MB file uploads, 7-day page history. Limited block usage for teams.
Plus $10 $8 Unlimited blocks for teams, Unlimited file uploads, 30-day page history, 100 guests, Admin tools.
Business $18 $15 SAML SSO, Private teamspaces, Advanced page analytics, 250 guests, 90-day page history.
Enterprise Custom Custom User provisioning (SCIM), Advanced security & controls, Dedicated success manager, Custom contract, Unlimited page history, Unlimited guests.

Hidden Costs of Notion

While Notion’s pricing is generally transparent, organizations should be aware of potential indirect or escalating costs:

  • User-Based Escalation: The primary cost driver is the per-user pricing model. As teams grow, even minor additions can significantly increase the monthly or annual expenditure, particularly for teams requiring Plus or Business features.
  • Feature Creep & Tier Upgrades: Moving to higher tiers (e.g., from Plus to Business for SAML SSO or advanced analytics) incurs a substantial per-user price jump, often necessitated by compliance, security, or sophisticated analytics requirements that were not critical initially.
  • Onboarding & Training (Internal): While Notion requires minimal setup from the vendor, effective company-wide adoption often requires internal champions, training sessions, and custom template development, which consumes internal staff time and resources.
  • Integration Development: While Notion offers an API, developing and maintaining custom integrations with other internal systems can incur engineering costs if out-of-the-box integrations are insufficient.
  • Guest Limits: Exceeding guest limits on Plus (100 guests) or Business (250 guests) plans might necessitate an upgrade to Enterprise or careful management of external access, which can be a process overhead.

Total Cost of Ownership (TCO) Analysis for TriliumNext Notes

TriliumNext Notes is a free and open-source, self-hostable hierarchical note-taking application. Its TCO primarily comprises hosting infrastructure and internal engineering effort.


Cost Trade-offs at a Glance


Hosting & Server Resource Estimation:

These estimates assume a Linux VM/Container host on a public cloud provider (e.g., AWS EC2, DigitalOcean Droplet, Google Cloud VM) running Docker or Kubernetes, optimized for TriliumNext.

Team Size Server Configuration (CPU/RAM/Storage) Estimated Monthly Hosting Cost Estimated Annual Hosting Cost
Small (5 users) 1 CPU, 2GB RAM, 50GB SSD $15 $180
Medium (20 users) 2 CPU, 4GB RAM, 100GB SSD $40 $480
Large (100 users) 4 CPU, 8GB RAM, 200GB SSD $100 $1,200

Maintenance & Engineering Support Estimation:

This includes initial setup, regular updates, monitoring, backup management, troubleshooting, and potential custom configurations. We assume a fully loaded internal engineering cost of $100/hour.

Team Size Estimated Monthly Engineering Hours Estimated Monthly Engineering Cost Estimated Annual Engineering Cost
Small (5 users) 3 hours $300 $3,600
Medium (20 users) 6 hours $600 $7,200
Large (100 users) 12 hours $1,200 $14,400

Comparative TCO Table (Annual Costs)

This table provides a direct comparison of annual costs for Notion (using annual pricing) versus the self-hosted TriliumNext. For Notion, the Plus plan is assumed for small to medium teams, and the Business plan for large teams, reflecting typical feature needs.

Metric 5 Users 20 Users 100 Users
Notion Annual SaaS Fee $480 (Plus plan) $1,920 (Plus plan) $18,000 (Business plan)
TriliumNext Hosting Cost $180 $480 $1,200
TriliumNext Engineering Cost $3,600 $7,200 $14,400
TriliumNext Total Annual TCO $3,780 $7,680 $15,600

Scenarios: Cost Comparison

  1. 5 Users (Small Team):

    • Notion (Plus): At $8/user/month (annual), the annual cost is $480. This provides a fully managed service with collaboration tools.
    • TriliumNext Notes: The TCO is $3,780 annually ($180 hosting + $3,600 engineering). This is significantly higher than Notion’s direct subscription fee due to the engineering overhead, even for a small team.
    • Conclusion: Notion is considerably more cost-effective for small teams when considering direct spend versus TCO.
  2. 20 Users (Medium Team):

    • Notion (Plus): At $8/user/month, the annual cost is $1,920.
    • TriliumNext Notes: The TCO is $7,680 annually ($480 hosting + $7,200 engineering).
    • Conclusion: Similar to small teams, Notion’s direct SaaS cost remains significantly lower than the TCO of self-hosting TriliumNext for medium-sized teams.
  3. 100 Users (Large Team):

    • Notion (Business): At $15/user/month (annual), a large team would typically require Business features like SAML SSO, leading to an annual cost of $18,000.
    • TriliumNext Notes: The TCO is $15,600 annually ($1,200 hosting + $14,400 engineering).
    • Conclusion: For large teams, TriliumNext Notes’ TCO begins to become competitive with, and in this specific scenario, even slightly undercuts Notion’s Business plan due to the high per-user SaaS fees. The fixed component of engineering effort for self-hosting scales less steeply than per-user SaaS fees.

When Does Paying for Notion Actually Save Money?

Paying for Notion saves money and offers significant strategic advantages under several conditions:

  • Lack of DevOps/SysAdmin Expertise: If your organization lacks the internal engineering resources or expertise to reliably set up, maintain, and secure a self-hosted application, Notion’s managed service model is invaluable. The “hidden cost” of hiring or training staff for self-hosting can quickly dwarf SaaS fees.
  • Prioritizing Collaboration & Ease of Use: Notion excels in its user-friendly interface, extensive template library, and robust real-time collaboration features that minimize friction for non-technical users. The time saved in user training and ongoing support can be a substantial indirect cost saving.
  • Rapid Deployment & Scalability: Notion offers immediate deployment and seamless scalability without requiring any infrastructure planning or procurement. For organizations needing to scale quickly or those with fluctuating team sizes, the agility of SaaS is a distinct advantage.
  • Advanced Features & Ecosystem: Notion’s wide array of features (databases, wikis, project management), native integrations, and continuous feature development (without requiring internal updates) provide significant value that can be costly or impossible to replicate with an open-source alternative.
  • Compliance & Enterprise Needs (Without Internal Effort): For organizations needing advanced security, compliance certifications, or SAML SSO without the internal engineering burden, Notion’s Business and Enterprise plans provide these as a managed service, eliminating substantial internal R&D and operational overhead.

Final Purchasing Recommendation

Here’s the practical read on all those numbers:

  • For organizations prioritizing ease of use, extensive collaboration features, rapid deployment, and minimal IT overhead, Notion is the recommended choice. Despite its per-user cost, especially for smaller to medium teams, the reduced TCO from eliminating self-hosting engineering and infrastructure management makes it highly attractive. Its comprehensive feature set and continuous innovation also provide significant value.
  • For organizations with strong internal DevOps/engineering capabilities, a high degree of cost sensitivity on direct spend, and a strong desire for data ownership and customization, TriliumNext Notes is a viable alternative. While its TCO is higher for smaller teams due to fixed engineering effort, it becomes increasingly competitive for larger teams where Notion’s per-user SaaS fees escalate significantly. This path requires a commitment to maintaining the software internally but offers unparalleled control.

Ultimately, while TriliumNext Notes offers a powerful, free, and open-source solution for knowledge management, Notion typically presents a lower overall Total Cost of Ownership for teams up to around 100 users, primarily due to the high indirect costs associated with internal engineering support for self-hosted solutions. Beyond this point, the economies of scale for self-hosting engineering can start to make it more competitive against escalating per-user SaaS fees.


Cost and pricing analysis verified as of 2026-06-24. Self-hosting costs are estimates based on standard cloud providers.

よくある質問

If I want to scale my knowledge base to a larger team, what are the hidden or escalating costs I should expect with Notion compared to hosting TriliumNext Notes?

For Notion, teams will quickly outgrow the free tier (which limits teams to limited block trials) and must pay $8 to $10 per user/month for the Plus plan, or $15 to $18 per user/month for the Business plan, with accidental member invitations automatically billed per seat. In contrast, TriliumNext Notes is licensed under the AGPL v3.0, meaning you pay zero software licensing fees regardless of your team size, though you will need to cover your own hosting infrastructure costs using Nodejs, Docker, or Kubernetes (K8S).

Is there a way to avoid Notion's $8 to $10 per user/month AI add-on and accidental member billing fees if I only need a personal knowledge base?

Yes, if you only need a personal knowledge base, you can avoid Notion's paid plans, its $8–$10/month AI add-on, and its accidental seat-billing risks by self-hosting TriliumNext Notes for free under the AGPL v3.0. While you miss out on Notion's relational databases, the Docker- and Nodejs-based TriliumNext Notes provides a highly robust hierarchical note-taking alternative with zero software licensing costs.

機能と価格データは公式ドキュメントと料金ページを出典としており、最終確認日は 2026年6月24日 です。 誤りを見つけましたか?お知らせいただければ修正します。