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OneSignal

OneSignal

Customer Engagementonesignal.com

OneSignal enables businesses to engage users across multiple channels with personalized, timely messages through an easy-to-implement platform that scales from startups to enterprises, offering industry-leading deliverability and a generous free tier.

Last updated May 11, 2026 by the ATDb Editorial Team · Connections updated May 13, 2026

Founded
2014
HQ
San Mateo, California, United States
Connections
14

At a glance

Employees
201-500
Funding
$65M
Revenue
$20M-$50M
13integrations1competitors
Marketing AutomationCustomer EngagementMobile Marketing

About

Leading provider of omnichannel customer engagement solutions with strong presence in mobile push notifications

OneSignal is a leading omnichannel customer engagement platform that enables businesses to communicate with their users through push notifications, in-app messages, email, and SMS. Founded in 2014, the company has grown to serve over 1 million developers and marketers worldwide, delivering billions of messages daily. OneSignal's platform is particularly popular among mobile app developers, web publishers, and e-commerce businesses seeking to improve user engagement and retention. The company positions itself as a developer-friendly alternative to enterprise marketing automation platforms, offering a generous free tier alongside paid plans. OneSignal's significance in the AdTech and MarTech ecosystem lies in its ability to provide sophisticated messaging capabilities with easy implementation, making it accessible to startups while scaling to meet enterprise needs. The platform emphasizes real-time personalization, advanced segmentation, and cross-channel orchestration to help businesses deliver relevant messages at the right time across multiple touchpoints.

Business model

SaaS

Target market

SMB to Enterprise (Multi-segment)

What they offer

  • Push Notifications

    Mobile and web push notifications with advanced targeting, scheduling, and A/B testing capabilities

  • In-App Messaging

    Contextual messages displayed within mobile apps to engage active users

  • Email

    Transactional and marketing email capabilities integrated with other messaging channels

  • SMS

    Text messaging for time-sensitive communications and multi-channel campaigns

  • Journeys

    Automated multi-step, cross-channel messaging workflows based on user behavior and triggers

  • Live Activities

    Real-time updates for iOS Lock Screen and Dynamic Island

Key features

Multi-channel messaging (push, in-app, email, SMS)Advanced user segmentation and targetingA/B testing and optimizationReal-time analytics and reportingAutomated messaging workflowsPersonalization and dynamic contentTime zone and frequency cappingREST API and SDKs for multiple platformsDelivery optimization and intelligent deliveryEvent-triggered messaging

Use cases

Mobile app user engagement and retentionE-commerce cart abandonment and promotional campaignsNews and content publishers driving trafficGaming apps with event notifications and updatesSaaS product updates and feature announcementsTransactional notifications and alertsRe-engagement campaigns for dormant usersLocation-based messaging and geofencing

Customer segments

Mobile app developersE-commerce businessesMedia and publishing companiesGaming companiesSaaS companiesEnterprise brandsStartups and SMBsWeb publishers

Tech & specs

Technology stack

REST APIiOS SDKAndroid SDKWeb SDK (JavaScript)React Native SDKFlutter SDKUnity SDKCordova/PhoneGap SDKXamarin SDKNode.jsPythonPHP libraries

Security & compliance

SOC 2 Type IIGDPRCCPAHIPAA (for specific use cases)Privacy ShieldISO 27001

Deployment

Cloud

API

Yes

Corporate history
  • 2014Founded
Connection details
See integrations with OneSignal (13)

Explore further

2 views
On the Mapby country + regionOn the GraphNetwork around OneSignal