
Polymarket
Kalshi
iPredicta
Prediction Market Radar
Smarkets
Alphascope.app
Lychee
Education & Reference

Which is more popular?
Based on our record, Notion seems to be more popular. It has been mentioned 442 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | predictit.org | notion.com |
| Pricing | — | |
| Company | — | Startup from the United States |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
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The Most Powerful Productivity App I Use - Notion
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using PredictIt and Notion. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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


Tracking PredictIt since Aug 2026.
- Annoying takeover of browser scrolling Of course you would be impressed if you see something like this the first time. If every third company has websites like this, it gets annoying. I don't remember any of them They look cool on... - Source: Hacker News / 2 months ago
Two of the most popular open source note taking app are affine (basically notion but open source) and obsidian (which stores notes in markdown). - Source: dev.to / about 2 years ago
Notion | https://notion.so | Android Engineer | SF | hybrid (in office 2x a week) | Full time- Source: Hacker News / about 2 years agoLevel: Mid/Mid+ (4-6yrs experience).
When comparing PredictIt and Notion, you can also consider the following products.

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Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
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Kalshi is a regulated exchange & prediction market where you can trade on the outcome of real-world events. Buy and sell Event Contracts.
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Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
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Discover, compare and trade prediction markets across Polymarket and Kalshi. Live odds, cross-venue price comparison, and AI-powered market intelligence.
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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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