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Other

Roost

Roost is the first to provide push notifications for websites. Power your web engagement and audience growth with cutting edge technology. Powerful feature sets including geolocation, A/B testing, and personalization. Currently supports Chrome and Safari browsers on Windows, Mac, and Android. Firefox support is coming soon. Roost is a Y Combinator backed company located in NYC.

sources
1
Evidence entries preserved.
affiliations
1
Y Combinator
competitors
6
Mapped from High Signal graph features.
status
generated
D1 lookup
last updated
2026-07-15
16:41 UTC
source evidence
Why this company exists here

Y Combinator

yc-company-directory #966

Roost is the first to provide push notifications for websites. Power your web engagement and audience growth with cutting edge technology. Powerful feature sets including geolocation, A/B testing, and personalization. Currently supports Chrome and Safari browsers on Windows, Mac, and Android. Firefox support is coming soon. Roost is a Y Combinator backed company located in NYC.

source
generated read
High Signal interpretation

Roost is classified as Other from source descriptions and fund-directory context. Similar companies below are ranked from offline product facets and meaningful description overlap; category and source affiliation can only strengthen an existing product match. For lookup-created rows, the profile starts as pending enrichment until deeper source collection runs.

offline extraction
Product facets
geolocationChromeFirefoxpersonalizationcutting edge technologyA/B testingSafaripush notifications
mapping method
Similarity graph

Local clusters rerank extracted product concepts and description terms. The generated graph remains the fallback for sparse descriptions: offline reciprocal product-similarity graph: extracted concepts + description terms + bounded category/affiliation boosts. Minimum fallback score: 0; max competitors: 6.

discovery cluster

Companies similar to Roost

Other · 6 peers

A deterministic local cluster built from offline product facets and meaningful description terms. Category and selected-institution affiliation provide bounded tie-breaks. Open any peer to continue exploring its cluster.

Liftigniter

match 63

LiftIgniter uses cutting edge data science to help publishers and retailers optimize their websites and mobile apps in real-time. Machine learning personalization puts the perfect piece of "content"​ (video, article, item to buy) in front the user at the exact moment when they are most likely to engage or convert - no tags or manual work required. The machine learns and updates itself so that's it's always perfectly in sync with your users and your "content."​ We average 50% improvements in CTR,

shared extracted concept terms: personalization, cutt, edge; shared product terms: cutt, edge, website, personalization; shared affiliation: Y Combinator

Voxli

match 59

Voxli offers browser-based group voice chat for gamers and teams. Users of Voxli can voice chat with up to 200 people at a time without leaving the browser or setting up a voice server. Each group voice chat exists at a persistent URL, which can be shared with friends via email or IM. Voxli works on Windows and Mac, and supports push-to-talk (walkie talkie) functionality outside of the browser. Voxli is currently free while it is in open beta.

shared extracted concept terms: push; shared product terms: push, currently, support, browser; shared affiliation: Y Combinator

Ragana

match 54

1to1 is a B2B personalization solution that allows eCommerce vendors to provide their customers with a unique digital experience tailored to them (with improved conversion rates) through our composable single end-point engine that integrates cutting-edge

shared extracted concept terms: personalization, cutt, edge; shared product terms: personalization, cutt, edge

Wavedash

match 45

Wavedash uses cutting edge browser technology to let gamers play the latest releases with no downloads or installation.

shared extracted concept terms: cutt, edge; shared product terms: cutt, edge, browser; shared affiliation: Y Combinator

Volta Labs, Inc.

match 45

Volta Labs is a genomics applications company that has developed a cutting-edge digital fluidics platform to maximize performance and scalability of sample preparation in genomics while providing unparalleled consistency. Volta is transforming the way biological research and analyses are performed, allowing scientists to focus on what they do best -- pushing the boundaries of biology. As a collective of scientists and builders working at the intersection of engineering and biology, we imagine a

shared extracted concept terms: cutt, edge; shared product terms: push, cutt, edge; shared affiliation: Y Combinator

Prayas Analytics

match 41

Prayas Anaytics helped retailers A/B test their stores, the way eCommerce companies A/B test their websites. We did this by continuously collecting data on customer movement using existing security cameras already in a retailer's stores. We were a Y Combinator backed company (S15) and worked with several retailers including Barneys, Payomatic, and multiple Fortune 200 retailers.

shared product terms: test, website, combinator, back; shared affiliation: Y Combinator