Dia vs Obsidian: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Dia and Obsidian side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Dia
Your AI-powered browser for focused deep work
Best for you if:
- • You want a fully free tool (Obsidian requires payment)
Obsidian
Private and flexible note-taking
Best for you if:
- • You want local-first privacy
| At a Glance | Dia | Obsidian |
|---|---|---|
Starts at | Free 100% free | Free plan, paid from $4/user/mo, billed monthly Sync plan |
Category | Productivity Note-Taking | Productivity Note-Taking |
Rating | 4.3/5 G2 4.4 · SourceForge 4.0 16 reviews | 4.5/5 G2 4.5 12 reviews |
Free plan | Yes | Yes |
Watch out for | n/a | Sync ($4-5/month) is almost mandatory for multi-device users. While you can use free alternatives (iCloud, Google Drive, Git), they introduce sync conflicts that Obsidian Sync solves with end-to-end encryption and proper conflict resolution. Most serious users end up paying for Sync |
Choose Dia or Obsidian?
Choose Dia if
- You want a fully free tool (Obsidian requires payment)
- You want significantly reduces context switching by centralizing work information
- You want proactive features help users stay organized and focused on priorities
Choose Obsidian if
- You want local-first privacy
- You want extensible plugins
In-Depth Analysis
Dia
Your AI-powered browser for focused deep work
Strengths
- Pro: Significantly reduces context switching by centralizing work information.
- Pro: Proactive features help users stay organized and focused on priorities.
- Pro: Strong emphasis on user privacy with local data storage and encryption.
- Pro: Streamlines common workflows like meeting preparation and report generation.
- Pro: Allows for clear separation of work and personal browsing environments.
Weaknesses
- Con: Limited to specific operating system versions and hardware.
- Con: Requires integration with existing work tools to fully leverage its capabilities.
- Con: Users must adapt to a new browsing paradigm for optimal benefit.
Key features
Obsidian
Private and flexible note-taking
Obsidian core app is genuinely free with no feature gating, every note-taking and knowledge management feature works without paying.
Watch out
Sync ($4-5/month) is almost mandatory for multi-device users. While you can use free alternatives (iCloud, Google Drive, Git), they introduce sync conflicts that Obsidian Sync solves with end-to-end encryption and proper conflict resolution. Most serious users end up paying for Sync
Strengths
- Pro: Local-first privacy
- Pro: Extensible plugins
- Pro: Graph view
Weaknesses
- Con: Sync costs extra
- Con: Steep learning curve
Key features
Plans and prices: Dia vs Obsidian
| Tool | Plans and prices | Source |
|---|---|---|
| Dia | No plan prices on file | diabrowser.com |
| Obsidian |
| obsidian.md/pricing read Oct 26, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Dia pricing and Obsidian pricing.
Key Takeaways
Dia
- Choose if you want your AI-powered browser for focused deep work
Obsidian
- Choose if you want private and flexible note-taking
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- User ratings rest on too few reviews to rank (4.3/5 from 16 reviews for Dia, 4.5/5 from 12 reviews for Obsidian; we compare ratings only above 20 reviews on both sides).
- Obsidian starts at $4/user/mo, billed monthly; Dia has no public paid plan price on file.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
What Users Say
Frequently Asked Questions
How do Dia and Obsidian compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. User ratings rest on too few reviews to rank (4.3/5 from 16 reviews for Dia, 4.5/5 from 12 reviews for Obsidian; we compare ratings only above 20 reviews on both sides). Obsidian starts at $4/user/mo, billed monthly; Dia has no public paid plan price on file. Both have a free plan.
What are Dia and Obsidian used for?
Dia: Your AI-powered browser for focused deep work. Obsidian: Private and flexible note-taking.
What does Dia cost vs Obsidian?
Dia is free. Obsidian's cheapest paid plan is Sync at $4/user/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 26, 2026.
What's the main difference between Dia and Obsidian?
Dia's main strength: significantly reduces context switching by centralizing work information. Obsidian's main strength: local-first privacy.