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OneSignal

Customer engagement platform for email, push, SMS and in-app messaging

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OneSignal is a customer engagement platform that brings mobile push, web push, SMS/RCS, email and in-app messaging into a single system. It is designed to help teams onboard new users, build engagement habits and reduce churn through lifecycle automation, with AI-assisted tools for drafting, sending, testing and optimizing campaigns.

Core capabilities include Journeys, a visual workflow builder for cross-channel automation, plus segmentation, personalization, A/B testing, analytics, message throttling, localization and permission prompts. SDKs are available for Android, iOS, Flutter, React Native, Expo and Unity, and the platform connects with analytics tools, CDPs, data warehouses, CRMs and automation services such as Segment, Snowflake, HubSpot, Zapier and OpenAI.

OneSignal offers a free plan covering all messaging channels with basic automation and analytics, alongside paid Growth, Professional and Enterprise editions. Paid plans add more automation, integrations, experiments and personalization, with pricing based on message volume, monthly active users or custom arrangements depending on the channel and plan.

12 alternatives to OneSignal

Ranked by how well each tool replaces OneSignal: shared features, audience, price and popularity.

  1. Brevo

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    Covers 6 of 15 key features.

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  2. Customer.io

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    Covers 10 of 15 key features.

    68 out of 100 match$100/mo

  3. SendPulse

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    Covers 5 of 15 key features.

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  4. MailerLite

    Simple and affordable email marketing solution.

    Covers 4 of 15 key features.

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  5. Omnisend

    Email and SMS marketing platform for ecommerce brands.

    Covers 7 of 15 key features and starts cheaper.

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  6. Sender

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    Covers 3 of 15 key features and starts cheaper.

    Free plan
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  7. Pusher

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    Covers 5 of 15 key features.

    Free plan
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  8. Robly

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    Covers 8 of 15 key features.

    64 out of 100 match$19/mo

  9. Acumbamail

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    Covers 5 of 15 key features.

    Free plan
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  10. GetResponse

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    Covers 5 of 15 key features.

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  11. Twilio

    Conversational AI and APIs for SMS, voice, and email

    Covers 15 of 15 key features.

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  12. FeedBlitz

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    Covers 5 of 15 key features and starts cheaper.

    63 out of 100 match$7/mo