Rumble Jar: A Better Cold Brew Coffee Maker for Your Home
Rumble Jar is the next-generation cold brew coffee kit that lets you make barista-quality cold brew right in your own kitchen. The secret is our stainless steel filter, which we built to the precise specifications of cold brew coffee experts and then re-engineered to work in tandem with standard quart and half-gallon Mason jars. Get an up-close look at the components
Rumble Go: The Portable Brewer
Rumble Go™ builds upon the legacy of the original Rumble Jar by adapting the filter to make a more portable brew kit. The universal, height-adjustable design transforms your wide-mouth water bottle into a cold brew coffee maker that you can take anywhere. This could be the world’s simplest way to make great cold brew away from home. Check it out here
How easy is the process?
You can prep a batch in under 1 minute. Then just let it sit overnight, and in the morning you've got cold brew coffee that tastes like the pros made it.
See how Rumble Jar works, in 92 seconds
Outstanding Reviews
We launched Rumble Jar on Kickstarter in late 2017 and have been blown away by the reception ever since. Heck, it even earned us a Kickstarter Project of the Year award! Just have a look at our reviews.
Reviews