Growth · alternatives · 2026
24 alternatives to Cleanbox
Email aliases, smart filtering, and AI routing in one tool.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier.
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PureBox.ai▲139Review-first AI cleanup for your real Gmail inbox.
Jul 2026 · purebox.ai · its alternatives →
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Inbox Zero▲821Clean Up Your Inbox In Minutes Newsletter management, AI automation, and email analytics. Inbox Zero is the open-source email app that puts you back in control of your inbox.
2023 · getinboxzero.com · its alternatives →
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Hello Inbox▲283Hey HN, I built an email deliverability SaaS with a RAG system. It's trained on all my knowledge and hundreds of real deliverability use cases from 4+ years experience as an Email Deliverability Specialist on Upwork. It solves a frustration problem a lot of businesses are experiencing. I'm looking for feedback so let me know in the comments.
Aug 2026 · helloinbox.email · its alternatives →
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AI Emailyfree tier, from $14.99/mo▲165Your AI inbox that writes like you + replies on autopilot
Jul 2026 · aiemaily.com · its alternatives →
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Email deliverability toolkit for humans and AI agents
May 2026 · themailx.com · its alternatives →
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A privacy-oriented Gmail add on against marketing email
2024 · cleaninboxforgmail.com · its alternatives →
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Unspam AI▲385See how your subscribers read your emails with our AI inbox
2024 · unspam.email · its alternatives →
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Folderly AI▲235AI-generated emails that hit the inbox and get replies
2025 · generate.folderly.com · its alternatives →
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Lavender▲233A complete AI toolkit for amazing 1:1 emails in your inbox.
2020 · lavender.ai · its alternatives →
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Hi HN :) really excited to share this with you. The one thing AI reliably does is generate noise. Half the tools I see launch are just machines for producing more noise across more channels. And people are starting to see this in the form of emails in their inboxes as spam filters are struggling. There used to be a useful signal in email: the effort a sender put into customizing a message was a rough proxy for how relevant it actually was. AI killed that. Now it's customized slop with the appearance of effort with none of the cost. It is painful that the open internet / open channels…
Jul 2026 · captchainbox.com · its alternatives →
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Deliveryman.ai▲186Cold email infrastructure on autopilot without Gsuite
Jun 2026 · deliveryman.ai · its alternatives →
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Warmup Inbox▲204Free email spam checker & inbox placement tester
2023 · warmupinbox.com · its alternatives →
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Fix your inbox instantly with smart filters
2025 · unfuck.email · its alternatives →
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Reply.id▲81Supercharge your inbox with our AI Gmail filter
2018 · mediakaskus.com · its alternatives →
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Email Deep Clean▲131Free AI tool to clean up old emails and free up space
2023 · sanebox.com · its alternatives →
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CleanBox▲2AI-powered inbox cleaning and email organization
Jun 2026 · cleanbox.lovable.app · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →