Best Push Notifications Software for Claude

Reteno is an AI messaging platform for subscription app retention. Manage campaigns through AI agents in Slack, Claude Cowork, and OpenAI Codex using natural language. Automate variant testing across email, push, SMS, in-app, and more — no manual A/B setup. Generate content with built-in AI. Create high-converting emails with built-in collaborative email editor. Best for Health & Fitness and Education apps.

Novu is a developer-first notification and communication platform built for modern products, SaaS teams, and AI agent workflows. It gives teams one infrastructure layer for sending messages through inbox, email, SMS, push, chat, Slack, Microsoft Teams, Telegram, and other channels. Developers can start quickly with a ready-made inbox component, then expand into more advanced workflows using Novu’s framework, APIs, and orchestration tools. The platform includes user preference management, notification snoozing, real-time delivery, digest logic, content management, and a visual block-based email editor. Novu Connect extends the platform into agent communication by connecting AI agents to the channels customers already use. Teams can build workflows for approvals, alerts, support, product updates, and agent-to-user conversations using templates and channel integrations. Novu also integrates with tools such as Twilio, Resend, React Email, Clerk, Stripe, and other developer stack components. Its open-source community, GitHub traction, and contributor base make it appealing for engineering teams that want flexibility and transparency. By combining notification infrastructure, omnichannel delivery, and agent communication, Novu helps teams ship customer messaging faster and manage it more consistently.