OneSignal

OneSignal

Push notifications for customer engagement

Overview

OneSignal provides a customer engagement platform centered on push notifications for mobile and web. It helps businesses reach and engage customers by sending personalized, behavior-based messages that can be triggered automatically, with a setup that can be completed in about 15 minutes. The platform supports high-volume delivery, processing billions of notifications, and offers machine learning features to optimize when messages are sent along with detailed analytics to measure performance. Its open-source SDKs and accessible API, plus a freemium pricing model (free basic use and paid premium features), differentiate it by being developer-friendly and scalable. The company’s goal is to make it easy for any business to connect with customers through timely, relevant notifications, improving user experience and re-engagement.

YC Company

About OneSignal

Simplify's Rating
Why OneSignal is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Data & Analytics

Consumer Software

Enterprise Software

AI & Machine Learning

Company Size

51-200

Company Stage

Series C

Total Funding

$84.1M

Headquarters

San Mateo, California

Founded

2014

Simplify Jobs

Simplify's Take

What believers are saying

  • Behavior-triggered journeys can lift CTR 4-9x versus standard sends.
  • Identified-only tracking improves segmentation by merging push subscribers with logged-in shoppers.
  • Live Activities beta expands real-time, app-open-independent engagement on iOS.

What critics are saying

  • Enterprise suites like Braze compete directly for omnichannel platform budgets.
  • Shopify dependence exposes OneSignal to policy changes and native messaging features.
  • Privacy and consent requirements can reduce opt-ins and weaken targeting quality.

What makes OneSignal unique

  • OneSignal offers freemium, self-serve omnichannel messaging with fast setup.
  • Its Shopify integration syncs customer, browse, and order events into journeys.
  • Open-source SDKs and API access attract developers and accelerate adoption.

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Funding

Total Funding

$84.1M

Below

Industry Average

Funded Over

5 Rounds

Notable Investors:
Series C funding is usually for startups that are doing well and are looking for more money to fuel major growth, such as acquiring other companies, expanding into global markets, or launching new product lines. Investors typically include larger venture capital firms and private equity.
Series C Funding Comparison
Meet Average

Industry standards

$50M
$50M
Medium
$50M
OneSignal
$62M
SeatGeek
$100M
Oura

Benefits

Remote-first collaboration

Focus time

Flexible vacation

Health, dental, & life

Home office & wellness stipend

Learning & development stipend

Fun offsites

Sweet swag

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

-1%

2 year growth

-3%
OneSignal
Apr 22nd, 2025
What's New: Intelligent Journeys, Smarter Messaging

OneSignal has introduced three new tools to help you measure, analyze, and optimize your messaging strategy:

The Audiencers
Feb 18th, 2025
60% increase in active users over 3 months: the value of push notifications revealed

To understand what drives success, Pugpig partnered with Airship, OneSignal, PushPushGo and Pushly and found:

Mi3
Oct 1st, 2024
Digital Balance joins forces with OneSignal on customer engagement platform

Digital Balance joins forces with OneSignal on customer engagement platform.

EIN News
Oct 1st, 2024
The Top Push Notification Software Vendors According to the FeaturedCustomers Fall 2024 Customer Success Report Rankings

Market Leaders - Airship, Blueshift, CleverTap, Leanplum, MoEngage, OneSignal, and WebEngage were given the highest "Market Leader" award.

OneSignal
Sep 17th, 2024
OneSignal Named One of HubSpot's Essential Apps for Marketers

OneSignal is proud to announce that OneSignal has been named one of HubSpot's Essential Apps for Marketers for 2024.

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