OneSignal

Customer messaging platform for web/mobile push, email and in-app messages. Generous free tier makes it a common first push tool for KR/JP indie devs.

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Editor

Sweet spot between pricey Braze and bare-bones Firebase. SDK integration is a one-day job for MVPs.
— Crewtool Editor

Key Features

• Web/app push • Email/SMS • In-app messages • Journey builder • A/B testing

Pricing

Push free, Growth from $9/mo, Pro from $99/mo.

FAQ

Vs Firebase?

Much better UI for segments, journeys and analytics.

Localization?

English UI; messages fine in any language.

Privacy?

GDPR compliant.

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