
Unified AI-powered inbox for iMessage, WhatsApp, Slack, and more on macOS.
By Tanmay Verma, Founder · Last verified 03 Jul 2026
In short
RPLY — Unified AI-powered inbox for iMessage, WhatsApp, Slack, and more on macOS. Best for Busy executives juggling multiple messaging platforms, Founders and entrepreneurs needing rapid response automation, Power users of macOS who want a unified inbox. Free to start; paid plans from $25/mo.
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The most polished AI inbox for Mac users who juggle many messaging apps. Great reply drafting and privacy-first design, but the macOS-only limitation and lack of collaboration features mean it's not for everyone. Recommended for individual power users willing to pay for time savings.
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Last verified: July 2026
How likely is RPLY to still be operational in 12 months? Based on 4 signals — momentum (how recently it shipped), wrapper dependency, revenue model, and web presence.
Last calculated: July 2026
How we score →NOX (formerly RPLY) is an AI-native messaging assistant for macOS that unifies all your conversations from iMessage, WhatsApp, Slack, Telegram, Signal, Instagram, X, LinkedIn, Discord, and Email into a single inbox. It surfaces must-read messages, drafts context-aware replies in your voice, and provides unlimited conversation memory and search. Designed for busy professionals, it saves an average of 12 hours per week by automating response drafting without sending messages automatically. Unlike general AI chatbots, NOX is purpose-built for messaging: it learns your communication patterns, suggests Signature Patterns (greetings, apologies, gratitude, etc.), and adapts to your tone over time. The app supports over 10 platforms, offers end-to-end encryption, and includes an Inner Circle feature that shows your closest contacts via a closeness graph. Privacy is a highlight: messages are indexed locally on your Mac, and AI drafting uses cloud models by default but can switch to 100% on-device AI. NOX does not train on your messages or store them on its servers. Backed by OpenAI and featured in The New York Times and Business Insider, NOX is available as a free tier with 10 AI drafts and a Pro plan at $25/month billed annually (or $30/month month-to-month). NOX competes with unified inbox solutions like Beeper and Franz, but differentiates with its deep AI integration and focus on macOS. However, it lacks mobile support, team collaboration features, and an API, making it best suited for individual Mac power users rather than teams or cross-platform users.
NOX simplifies inbox chaos: ten platforms in one native Mac app. The AI drafts are genuinely good—they learn your style over time. We'd reach for this when managing a dozen messaging threads daily as a founder or executive. Where it shines: the unified inbox is clean, the AI replies feel natural, and the local-first privacy approach is a nice touch. The Inner Circle feature gives you a data-driven view of your relationships. But let's be real: it's macOS only, no mobile app, no shared inboxes for teams. The free tier is just a trial (10 AI drafts), and the $25/month Pro plan feels expensive if you're not a heavy user. Compared to Beeper (which now works on mobile and desktop with more platforms), NOX has better AI but fewer platforms and no mobile. Franz/Station are simpler but lack AI entirely. In practice, the AI reply quality is impressive: Signature Patterns let you quickly insert common tones (apologies, gratitude, etc.) and it adapts to your vocabulary. But it doesn't send messages automatically—you always approve drafts. Caveats: Intel Macs are not supported (Apple Silicon only, macOS 14+). The monthly Pro price is $30, not $25 (only annual is $25). No official API, so you can't integrate custom workflows. And while it supports many platforms, missing apps like Facebook Messenger or Telegram channels might be dealbreakers for some. Verdict: Best for Mac-only power messaging users who value time over cost. Skip if you need mobile or team features.
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Domain for sale on HugeDomains — not an AI meeting notes product.
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