Software Alternatives & Startups

Obsidian VS Sumnotes

Compare Obsidian VS Sumnotes and see what are their differences

Obsidian

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.

Rating
5.0 · 2 reviews
Sumnotes

Export highlights from PDFs

Rating
0 reviews
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Obsidian seems to be more popular. It has been mentioned 1527 times since March 2021.

social mentions
1,527 vs 0
Note Taking popularity
100% vs 0%
alternatives listed
240+ vs 88

Base details

Website, pricing, platforms and company facts side by side.

Obsidian
Sumnotes
Website obsidian.md sumnotes.net
Pricing
Company Startup from the United States —
Listed in

Features and specs

What each product offers, as listed by its team.

Obsidian 6 features
Sumnotes 5 features
  • Local-first
    Obsidian stores your notes locally on your device, giving you full control over your data and enhancing privacy.
  • Markdown Support
    Obsidian uses Markdown, making it easy to format text and compatible with many other text editors and tools.
  • Bidirectional Linking
    You can create bidirectional links between notes, which helps in building a knowledge graph and navigating related information more easily.
  • Customizability
    Obsidian is highly customizable with community plugins, themes, and various settings to fit different workflows.
  • Graph View
    Provides a visual graph view of your notes and their connections, aiding in understanding relationships and discovering insights.
  • Offline Access
    Since the notes are stored locally, you can access and edit them without an internet connection.

Possible disadvantages

  • Learning Curve
    Obsidian can be complex and overwhelming for beginners due to its extensive features and customizable nature.
  • Sync Limitations
    While local-first is great for privacy, it requires additional steps or third-party solutions for syncing across devices.
  • No True Real-time Collaboration
    Obsidian lacks native real-time collaboration features, making it less suitable for collaborative work compared to cloud-based solutions.
  • Limited Mobile Features
    The mobile version of Obsidian, while functional, is not as robust as the desktop application, potentially hindering productivity on the go.
  • Dependence on Plugins
    Many advanced features require the use of third-party plugins, which could lead to compatibility issues and reliance on community support.
  • Performance on Large Vaults
    Performance might degrade with a very large number of notes or complex graphs, impacting usability.
  • Ease of Use
    Sumnotes offers a straightforward and user-friendly interface that allows users to easily upload PDF files and extract highlights without a steep learning curve.
  • Highlight Extraction
    The primary feature of Sumnotes is its ability to accurately extract highlighted text from PDF files, saving users time compared to manual extraction.
  • Export Options
    Sumnotes provides flexible export options, allowing users to save their extracted notes in various formats such as Word, Excel, or plain text, which can be convenient for different use cases.
  • Cloud Integration
    The service integrates with major cloud storage platforms like Google Drive and Dropbox, making it easy to access and manage documents from multiple devices.
  • No Software Installation
    As a web-based tool, Sumnotes does not require any software installation, enabling users to access its features quickly through a web browser.

Possible disadvantages

  • Limited Free Version
    The free version of Sumnotes has limitations on the number of pages or documents that can be processed, pushing users towards a paid subscription for larger tasks.
  • Dependence on Internet
    Being a web-based application means that Sumnotes requires a stable internet connection, which can be a limitation in areas with unreliable internet access.
  • Privacy Concerns
    Uploading documents to a third-party service may raise privacy concerns for users who deal with sensitive or confidential information.
  • Feature Set
    While effective at extracting highlights, Sumnotes may lack advanced features and customization options that are available in more comprehensive PDF management tools.
  • Processing Speed
    The processing speed for extracting highlights may vary depending on the file size and server load, which can be a drawback for users needing quick results.

Analysis

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

Obsidian
Sumnotes

Overall verdict

  • Overall, Obsidian.md is an excellent tool for users looking for a versatile and powerful note-taking application. Its unique features such as backlinking, markdown support, and robust customization options make it a favorite among knowledge management enthusiasts.

Why this product is good

  • Obsidian.md is considered good by many users because it is a powerful knowledge management and note-taking application that leverages Markdown for document formatting. It allows for bi-directional linking between notes, which helps in creating a network of interconnected ideas, often described as a 'second brain.' Its ability to support plugins, themes, and robust graph visualization also adds to its appeal. Additionally, it stores notes locally, ensuring privacy and data ownership, while being cross-platform compatible across Windows, macOS, and Linux.

Recommended for

  • Knowledge workers who need a powerful tool to organize and connect their thoughts.
  • Students who are looking to create a structured and visually interconnected note system.
  • Writers and researchers who benefit from linking related ideas and maintaining detailed notes.
  • Tech-savvy users or developers who appreciate the local storage and open ecosystem for plugins and customization.

No analysis of Sumnotes yet.

Videos

Walkthroughs and reviews on video.

Obsidian 1 video + Add
Sumnotes 1 video + Add

OBSIDIAN: Getting Started, Facts & Pricing

Sumnotes tutorial/pdf extractor/highlights extractor

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Obsidian
Sumnotes
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Obsidian 5.0 · 2 reviews
Sumnotes no reviews yet

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We have no reviews of Sumnotes yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Obsidian 1527 mentions
Sumnotes 0 mentions
  • Take Your AI's Questions Out of the Terminal
    This is a decision page. Claude Code wrote it after reading a project's notes, and it shows the detail a chat question leaves out. I answer it in Obsidian. - Source: dev.to / 5 days ago
  • How can software developers stay motivated at work?
    For note-taking, I recommend Obsidian. It's lightweight, has a large community, and offers plenty of useful plugins. I use the Timekeep plugin myself, which helps me connect tasks with the time spent on them. - Source: dev.to / 12 days ago
  • Hermes Agent Use Cases: 5 Free Things You Can Set Up Today (2026)
    The setup that makes the output noticeably sharper is a memory layer. Connecting a plain-text notes app like Obsidian (free for personal use) gives the agent durable context: what your project is about, who it is for, and what you have... - Source: dev.to / about 2 months ago

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Tracking Sumnotes since Mar 2021.

Alternatives to Obsidian and Sumnotes

When comparing Obsidian and Sumnotes, you can also consider the following products.