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About

Novu is an open-source communication infrastructure platform that helps products and AI agents reach users across every major channel. It supports in-app notifications, email, SMS, push, chat, Slack, Microsoft Teams, Telegram, and custom channels from one unified system. Developers can add a notification inbox to an application with a lightweight component and scale into full workflow orchestration when needed. Novu includes user preferences, snooze, real-time delivery, digesting, workflow automation, and a block-based email editor powered by React Email. Its Novu Connect product helps AI agents communicate with users across channels such as Slack, email, Discord, and more. With open-source tooling, integrations, and a free plan, Novu helps teams build flexible notification and agent communication systems without starting from scratch.

About

Reteno is an AI messaging platform for subscription app retention and conversion. Manage messaging through AI agents in Slack, Claude Cowork, and OpenAI Codex using natural language — no platform switching required. Built for Web2App, trial, freemium, and direct install funnels, Reteno handles Email, Mobile Push, In-App, App Inbox, SMS, Web Push, and messengers. Key AI features: - "One from Many" feature automates variant testing inside workflows and promotes stronger performers; - built-in AI generates push messages and optimizes email content on demand; - responsive email editor enables real-time collaboration and comments. Proven in Health & Fitness and Education verticals, Reteno offers ready-to-deploy playbooks that deliver measurable revenue lift faster than generic lifecycle platforms.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Novu is best suited for developers, product teams, SaaS companies, AI agent builders, engineering teams, startups, and enterprises that need open-source notification infrastructure, omnichannel messaging, in-app inboxes, workflow orchestration, user preferences, email tooling, and agent-to-user communication

Audience

Companies that want to retain users with a push notifications solution

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$30/month
Free Version Supported
Free Trial Not Supported

Pricing

$30 per month
$30 per month for up to 10K user profiles

Custom plan available
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Novu
Founded: 2021
Israel
novu.co

Company Information

Reteno
Founded: 2017
Poland
reteno.com

Alternatives

Alternatives

Novus

Novus

Novus Partners
Ackee

Ackee

Ackee Digital Enterprises

Categories

Categories

Push Notifications Features

A/B Testing Supported
Analytics Supported
Campaign Segmentation Supported
Contextual Targeting Supported
Device Targeting Not Supported
Expiry Notifications Not Supported
Geo Targeting Not Supported
Mobile Notifications Supported
Notification Scheduling Supported
Visual Notifications Not Supported
Web Notifications Supported

Customer Success Features

Account Alerts Not Supported
Account Management Not Supported
Communication Management Not Supported
Customer Engagement Supported
Customer Lifecycle Management Supported
Health Score Not Supported
Onboarding Not Supported
Revenue Management Not Supported
Usage Tracking / Analytics Supported
Win / Loss Analysis Not Supported

Integrations

Claude Supported
Slack Supported
Amazon Web Services (AWS) Supported
Axis LMS Not Supported
Claude Managed Agents Supported
Discord Supported
Mailchimp Transactional Email (Mandrill) Supported
Mailgun Supported
Mailjet Supported
Microsoft Teams Supported
Model Context Protocol (MCP) Supported
Plivo Supported
Postmark Supported
SendGrid Supported
Twilio Supported
Zapier Not Supported

Integrations

Claude Supported
Slack Supported
Amazon Web Services (AWS) Not Supported
Axis LMS Supported
Claude Managed Agents Not Supported
Discord Not Supported
Mailchimp Transactional Email (Mandrill) Not Supported
Mailgun Not Supported
Mailjet Not Supported
Microsoft Teams Not Supported
Model Context Protocol (MCP) Not Supported
Plivo Not Supported
Postmark Not Supported
SendGrid Not Supported
Twilio Not Supported
Zapier Supported
Claim Novu and update features and information
Claim Novu and update features and information
Claim Reteno and update features and information
Claim Reteno and update features and information