
Free / Open-sourceThe AI email assistant that sorts your inbox and drafts replies in your voice
Free / Open-sourceThe AI email assistant that sorts your inbox and drafts replies in your voice

12 alternatives to Zero Inbox, matched by what they do.
| Rank | Tool & Tagline | Official Domain |
|---|
| Monthly Visits |
|---|
| MoM Growth |
|---|
| Pricing Model |
|---|
| Primary Market |
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| Rating |
|---|
| Compare |
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| ● | Zero Inbox | zeroinbox.ai | 2.11K | -1.09K (-34%) | Freemium | Global | 4.1 | Profile |
| 1 | Inbox Zero | getinboxzero.com | 89.35K | 5.68K (+6.8%) | Freemium, Free Trial | United States | 4.4 | Compare |
| 2 | Zero Inbox (Inbox Zero AI) | getinboxzero.ai | 0 | 0 (0%) | Contact for Pricing | Global | 4.3 | Compare |
| 3 | Superhuman | superhuman.com | 6.51M | 477.48K (+7.9%) | Paid | United States | 4.5 | Compare |
| 4 | Shortwave | shortwave.com | 193.32K | -10.44K (-5.1%) | Freemium, Free Trial | United States | 4.5 | Compare |
| 5 | Replyless | replyless.ai | 2.72K | 259 (+10.5%) | Freemium | United States | 4.1 | Compare |
| 6 | Spamdrain | spamdrain.com | 185.96K | 34.27K (+22.6%) | Free Trial, Paid | United States | 4.3 | Compare |
| 7 | Spark Mail | sparkmailapp.com | 435.23K | -67.76K (-13.5%) | Freemium, Free Trial | United States | 4.3 | Compare |
| 8 | FiloMail | filomail.com | 35.55K | -1.92K (-5.1%) | Freemium | United States | 4 | Compare |
| 9 | Spike | spikenow.com | 93.48K | -33.94K (-26.6%) | Freemium | United States | 4.2 | Compare |
| 10 | Flash.co | flash.co | 741.64K | 66.84K (+9.9%) | Free | India | 3.8 | Compare |
| 11 | Snoooz AI | snoooz.ai | 11K | -4.94K (-31%) | Free Trial, Contact for Pricing | United States | 4.1 | Compare |
| 12 | Inboxly AI | inboxly.me | 3.49K | -930 (-21%) | Paid | India | 3.8 | Compare |

Free / Open-sourceThe AI email assistant that sorts your inbox and drafts replies in your voice
Free / Open-sourceThe AI email assistant that sorts your inbox and drafts replies in your voice

Free / Open-sourceAI inbox cleanup that always asks before it acts
Free / Open-sourceAI inbox cleanup that always asks before it acts

The AI productivity suite with agents, email, and docs that work wherever you do
The AI productivity suite with agents, email, and docs that work wherever you do

Automate your email with AI
Automate your email with AI
Just better email, with AI

Antispam service that keeps junk mail, phishing and viruses out of every inbox
Antispam service that keeps junk mail, phishing and viruses out of every inbox

Smart, focused email with AI help — for individuals and teams

AI email client that turns your inbox into clear next steps
AI email client that turns your inbox into clear next steps

AI-first email that turns your inbox into a chat-like workspace
AI-first email that turns your inbox into a chat-like workspace

An AI shopping agent that shortlists only the top 1% of products for you
An AI shopping agent that shortlists only the top 1% of products for you

The AI agent that runs your team's inbox
The AI agent that runs your team's inbox

A shareable AI mailbox that organizes and prioritizes your messages
A shareable AI mailbox that organizes and prioritizes your messages