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OneSignal Review

OneSignal is an omnichannel customer engagement platform designed to create unified user journeys across various messaging channels.

shipped Jul 5, 2026paid
Domain rating86Monthly visits35K/mo
OneSignal — product screenshot

Why it matters

1Offers a free tier for up to 100 messages/month.
2Provides a developer API with SDKs for iOS (5.5.5), Android (5.9.7), and Flutter (5.6.5).
3Achieved SOC 2 Type II Certification and HIPAA Compliance in November 2023.
4Integrates with Google Analytics, Segment, and Zapier.

About OneSignal

Business Model
Freemium SaaS
Usage Pricing
$0.003/message per message
Free Credits
100 free messages/month
Headquarters
San Mateo, California, USA
Founded
2015
Team Size
51-200
Funding
Series A
Total Raised
$30M
Platforms
Web, iOS, Android
Target Audience
Businesses and developers looking to improve user engagement

Pricing Plans

Free
Free
  • • Push Notifications
  • • Email Notifications
  • • SMS Notifications
  • • In-app Messaging
Pro
$99/mo
  • • Advanced Analytics
  • • A/B Testing
  • • Custom Branding
  • • Dedicated Account Manager

Cost Examples

  • • Send 1,000 messages: ~$3
  • • Send 10,000 messages: ~$30

Leadership

George DeglinCEOLinkedIn
Kunal GuptaCo-FounderLinkedIn

Investors

Y Combinator, RRE Ventures, NextView Ventures

API DocsGitHub

Specs

API Docs

View Documentation →

GitHub

View Repository →

API Available

Yes, public API

Screenshots

overview

What is OneSignal?

OneSignal is a customer engagement platform developed by OneSignal that enables businesses and developers to manage multi-channel notifications and customer interactions. It supports mobile push, web push, email, SMS, RCS, in-app messages, and Live Activities to create unified user journeys. The platform is recognized for its push notification capabilities and ease of setup, offering features like segmentation, personalization, and analytics, alongside integrated AI capabilities.

features

Key Features of OneSignal

OneSignal provides a comprehensive suite of features designed to facilitate omnichannel customer engagement and streamline communication workflows. These capabilities enable businesses to deliver targeted messages across various digital touchpoints, enhancing user experience and retention.

  • Mobile Push Notifications: Supports targeted alerts for iOS and Android applications.
  • Web Push Notifications: Delivers notifications to users via web browsers.
  • Email Marketing: Includes intelligent delivery, automated workflows, and multi-domain sending.
  • SMS Messaging: Enables direct text message communication with users.
  • RCS (Rich Communication Services): Supports enhanced messaging with rich media and interactive elements.
  • In-App Messages: Delivers contextual messages directly within applications.
  • Live Activities: Provides beta support for starting Live Activities on iOS without the app being open.
  • Audience Segmentation: Allows for granular targeting based on user behavior and attributes.
  • Personalization: Enables dynamic content insertion for tailored messaging.
  • Real-time Analytics: Offers insights into message deliverability, engagement, and subscription trends.
  • AI Composer Push Notifications: Generates or improves push notification copy using artificial intelligence.
  • Granular RBAC (Role Based Access Controls): Provides detailed access management for teams across organizations and apps.

use cases

Who Should Use OneSignal?

OneSignal is primarily utilized by product, growth, and marketing teams, as well as app developers and content creators, who aim to enhance user engagement and retention through multi-channel communication strategies. Its platform is suitable for businesses of varying sizes, from SMBs to enterprises, seeking to automate and personalize customer interactions.

  • App Developers: For integrating push notifications and in-app messages into mobile applications (iOS, Android).
  • Marketers and Growth Teams: To execute customer engagement, user onboarding, and retention campaigns across push, email, and SMS.
  • Product Teams: For sending transactional messages, feature announcements, and collecting user feedback.
  • Businesses: To recover abandoned carts, facilitate cross-sell/upsell opportunities, and send breaking news alerts.

how to use

How to Use OneSignal

To begin using OneSignal, users typically integrate its SDKs into their applications or websites, configure messaging channels, and then design their communication workflows. The platform provides a dashboard for managing campaigns, segments, and analytics.

  • 1Sign up for a OneSignal account on onesignal.com.
  • 2Integrate the OneSignal SDK into your mobile application (iOS, Android) or website.
  • 3Configure desired messaging channels such as mobile push, web push, email, or SMS.
  • 4Define user segments based on behavior, demographics, or custom attributes.
  • 5Create and schedule campaigns using the dashboard, leveraging features like personalization and A/B testing.
  • 6Monitor campaign performance and user engagement through real-time analytics.

pricing

OneSignal Pricing & Plans

OneSignal operates on a freemium-SaaS business model, offering a free tier and paid plans. The free tier includes up to 100 free messages per month. The Pro plan is available for $99 per month, with usage-based pricing of $0.003 per message for additional messages beyond the free allowance. For example, sending 1,000 messages would cost approximately $3, while 10,000 messages would cost around $30.

  • Free: Free (includes 100 free messages/month)
  • Pro: $99/month (plus $0.003/message for usage beyond free tier)

Pros

  • +Offers a comprehensive free tier with 100 free messages/month.
  • +Provides extensive SDKs for iOS, Android, and Flutter, facilitating easy integration.
  • +Supports a wide range of messaging channels including mobile push, web push, email, SMS, RCS, in-app, and Live Activities.
  • +Includes AI Composer for generating and improving push notification copy.
  • +Achieved SOC 2 Type II Certification and HIPAA Compliance in November 2023, indicating strong security and privacy standards.
  • +Integrates with popular analytics and automation tools like Google Analytics, Segment, and Zapier.

Cons

  • −Some users report inconsistent customer support responsiveness.
  • −There have been instances of perceived aggressive sales tactics by the company.
  • −Limited support has been reported for account security issues by some users.
  • −The usage-based pricing model for messages beyond the free tier can accumulate costs for high-volume senders.

Policies

Pricing Page

View Pricing→

Similar Tools

OneSignal vs Competitors

OneSignal is positioned as a comprehensive omnichannel customer engagement platform, competing with various tools that offer messaging, CRM, or notification infrastructure. Its primary differentiators include its ease of setup, robust push notification capabilities, and integrated AI features.

1
Pushwoosh↗

Offers a comprehensive omnichannel platform with strong push notification capabilities, including in-app messages, email, and SMS, with a focus on AI features.

Pushwoosh provides a very similar set of omnichannel features to OneSignal, including a free tier, making it a direct competitor with comparable ease of use for managing various messaging channels.

2
EngageBayOn Stork

An all-in-one CRM suite that integrates marketing, sales, and service, offering email, SMS, and web push notifications alongside broader CRM functionalities.

While OneSignal focuses purely on customer engagement messaging, EngageBay offers a broader CRM platform, meaning you gain sales and service tools but might find the messaging features less specialized than OneSignal's.

3
NovuOn Stork

An open-source notification infrastructure for developers, providing a unified API to send multi-channel notifications (in-app, push, email, SMS, chat) with workflow engines and an embeddable inbox.

Novu requires more technical setup as it's an open-source infrastructure for developers, whereas OneSignal is a more out-of-the-box marketing platform; you gain full control and transparency but need to manage hosting or use their cloud offering.

4
Sender↗

Offers an omnichannel customer engagement platform with a strong focus on email marketing, alongside other channels, and is noted for its free-forever plan.

Sender provides a free-forever plan for omnichannel engagement, which is a key advantage for budget-conscious users, though its overall feature set and scale might be more geared towards email-led strategies compared to OneSignal's broader push notification emphasis.

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