Sales & marketing

Roost

Website

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 Comb

Overview

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.

Company description As recorded 2026-11-08
Sales & marketingInfrastructureBusinessesSmall businessesSubscription

Founders & team

2team members reported
Source-reported As recorded 2026-09-15

News & product activity

Sources & observations

Y Combinator

Profile depthverified profile
Website observationwebsite unreachable
Last website check2026-11-11
Location · source statedNew York City, NY, USA; New York, NY, USA
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented

Source-based assessment · automated evidence rules

The source reports an inactive or acquired company; current product identity needs review.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationdescriptive evidenceclassified market and modelsourced people
startup.observe Directory coverage · Sources & method