Knock App
Power your product notifications with Segment and Hightouch.
Some of the top features or benefits of Knock App are: User-Friendly Interface, Seamless Integration, Comprehensive Analytics, and Time-Saving Automation. You can visit the info page to learn more.
Best Knock App Alternatives & Competitors in 2025
The best Knock App alternatives based on verified products, community votes, reviews and other factors.
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12
Open-Source Alternatives.
Latest update:
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Single Notification API for Every Channel (SMS, Slack, Whatsapp, Email, SMS, Push, App Inbox)
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Your app needs a notification inbox – with real-time sync, web & mobile push, and a UI that matches your brand.
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Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.
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The ultimate library for managing multi-channel transactional notifications with a single API.
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Courier is a notification API built for developers. Design once, and deliver to any channel – email, Slack, SMS, push, and more – all through a single API.
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Customer engagement platform used by over 1 million developers and marketers; the fastest and most reliable way to send mobile and web push notifications, in-app messages, emails, and SMS.
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Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality via WebSockets to web and mobile apps.
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Unleash limitless possibilities with Truepush and save up to $600 monthly. Free up to 10K Subscribers on all features.
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Engage your mobile and desktop web users with intelligent web push notifications.
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A managed and scalable solution for easily creating and managing user notifications.
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A simple tool for previewing push notification copy
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Learn when your site is mentioned by other sites for free
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Re-engage website visitors with push notifications
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Send push notifications programmatically at scale
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