
Notion
Logseq
Joplin
Evernote
Roam Research
Bear
Typora
A second brain, for you, forever. Obsidian is a powerful knowledge base that works on top of a local folder of plain text Markdown files.

Intercom
Crisp Chat
Dialogflow
psquared GmbH delivers cutting-edge AI solutions & automation agents in Linz, Austria. Specialists in customer success, sales AI, and intelligent chatbots.

Which is more popular?
Based on our record, Obsidian seems to be more popular. It has been mentioned 1532 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | obsidian.md | psquared.dev |
| Pricing | ||
| Company | Startup from the United States | Startup from Austria |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
OBSIDIAN: Getting Started, Facts & Pricing
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Obsidian and psquared.dev.
psquared.dev's answer:
Because we are your AI partner you can trust. We have 10 years of experience in data privacy, 100% data processing in the EU and we are Experts in AI Agent Development.
psquared.dev's answer:
We recognized the potential with the rise of ChatGPT, but especially since LLM Function Calling, which opens the doors to a completely new world of opportunities. Like many, we got caught up in the hype along the way, but saw how many people promised things that are just not feasible in order to get clicks. We bet on transparency and honesty and actual value integrated into existing systems.
psquared.dev's answer:
We will not blind you with empty promises that AI will solve everything. We offer stable solutions, data privacy expertise, and a clear head in the digital gold rush.
Share your experience with using Obsidian and psquared.dev. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


One thing to note: Notion bills itself as an Evernote competitor for personal users. It can be—but it's too much for most people, and its offline functionality isn't the best. If you love the idea of Notion, go right...
This app is the kind of thing that, if you’re into it, will have you exploring its various ins, outs, and add-ons for days and weeks on end. Obsidian uses the Markdown format for its notes (which means they can be...
However, it's important to note that Obsidian's whiteboard functionality is not as robust as dedicated collaboration tools. While it lacks real-time basic collaboration features, Obsidian compensates with its vibrant...
We have no reviews of psquared.dev yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


The reasons live somewhere else: in practice notes in an Obsidian vault, one note per convention, with the repos it has held in. A note starts as an idea, moves to trialing, and only becomes enforced once I've applied it again in a few... - Source: dev.to / about 5 hours ago
It's the team version of the second brain you build with Obsidian and Claude. - Source: dev.to / 5 days ago
The first time I downloaded Obsidian was about two years ago and I really liked the concept of storing everything locally in simple markdown files without unnecessary clutter. - Source: dev.to / 3 days ago
Tracking psquared.dev since May 2025.
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Logseq is a local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base.
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Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.
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