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

Addoncrop
Plugins Addons Extensions
Opera Add-ons
Chrome Web Store
CRX4Chrome
Browser-extensions.club
extensions.af
Download Firefox extensions and themes. They’re like apps for your browser. They can block annoying ads, protect passwords, change browser appearance, and more.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | predictit.org | addons.mozilla.org |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
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Best Mozilla Add-ons.FLV
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using PredictIt and Mozilla Add-ons. For example, how are they different and which one is better?
When comparing PredictIt and Mozilla Add-ons, you can also consider the following products.

Bet on current events. Get tomorrow's news, today.
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Extends the functionality of your web browser
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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.
Compare Kalshi to PredictIt or Mozilla Add-ons:

Plugins Addons Extensions is a platform that provides a one-stop-shop for all the latest Chrome extensions that can help you to run your business.
Compare Plugins Addons Extensions to PredictIt or Mozilla Add-ons:

Discover, compare and trade prediction markets across Polymarket and Kalshi. Live odds, cross-venue price comparison, and AI-powered market intelligence.
Compare iPredicta to PredictIt or Mozilla Add-ons:

Get extensions and themes for the http://alternativeto.net/software/opera browser.
Compare Opera Add-ons to PredictIt or Mozilla Add-ons: