
Bear
Obsidian
Reflect
Logseq
Tana
Notion
Heptabase
A powerful note-taking tool. All your ideas – typed and connected.

ChatPDF
ChatGPT
Docalysis
Sharly AI
PDF.ai
Humata AI
ChatWithDocs.co
Chat with documents.

Which is more popular?
Based on our record, ChatDOC seems to be more popular. It has been mentioned 7 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | capacities.io | chatdoc.com |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


No features have been listed yet.
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Capacities yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Capacities App Review: Best Note-Taking App? (2024)
More videos
ChatDOC Chat with your documents 23 March 2023
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Capacities and ChatDOC. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking Capacities since Aug 2024.
I search an alternative to ChatDoc with an available API. I want to make an app where the user can upload a PDF and ask question about it. Source: about 3 years ago
I want to try this, but it's stuck at processing, showing 100% but not usable. I‘ve tried a lot of chat-with-pdf apps, including ChatDOC, ChatPDF, Humata and others. For serious paper reading, I must say that... - Source: Hacker News / over 3 years ago
Try ChatDoc: https://chatdoc.com/ I think it might be just what you're looking for. Source: over 3 years ago
When comparing Capacities and ChatDOC, you can also consider the following products.

Bear.app is a note-taking and content writing app that helps you boost productivity with its intuitive tools.
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Chat with any PDF! Join millions of students, researchers and professionals to instantly answer questions and understand research with AI
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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.
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ChatGPT is a powerful, open-source language model.
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Reflect is a note-taking tool designed to mirror the way your brain works.
Compare Reflect to Capacities or ChatDOC: