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.
Last updated Feb 8, 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
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
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