OneSignal

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.

onesignal.comSan Mateo, California, United StatesFounded 2014

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

Industry: Customer Engagement / Marketing Technology
Business Model: SaaS
Target Market: SMB to Enterprise (Multi-segment)
Employee Count: 201-500
Funding: $65M
Revenue Range: $20M-$50M
API Available: Yes

Marketing Automation Customer Engagement Mobile Marketing

Market Position

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

Overview

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.

Products & Features

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

Corporate history

2014Founded

Connections

See integrations with OneSignal (13)

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