# Inbox Zero vs MailTime Inbox Zero records 89,348 monthly visits with +6.8% month-over-month growth and Freemium, Free Trial pricing. MailTime records 10,396 monthly visits with -5.7% growth and Freemium pricing. | Metric | [Inbox Zero](https://openaitools.app/tool/inbox-zero) | [MailTime](https://openaitools.app/tool/mailtime-com) | | :--- | :--- | :--- | | Website URL | https://www.getinboxzero.com | https://mailtime.com | | Categories | AI Email Assistant, AI Assistant, AI Productivity Tools, AI Email Writer | AI Email Assistant, AI Productivity Tools | | Pricing Model | Freemium, Free Trial | Freemium | | Monthly Visits | 89,348 | 10,396 | | MoM Growth Rate | +6.8% | -5.7% | | Primary Market | United States | United States | | Direct Visits | 26,075 | 4,242 | | Review Score | 4.4 | 4 | | Saved Count | 6 | 1 | | Supported Platforms | Website | Website | ## Inbox Zero Inbox Zero is an AI executive assistant layered on top of Gmail and Outlook, built by developer Elie Steinbock (elie2222) and one of the most-starred open-source email projects on GitHub. Once you connect a Google or Microsoft account, it sorts incoming mail into smart categories such as To Reply, Newsletter, Marketing, Calendar, Cold Email and Notification, so you can triage by intent instead of scrolling chronologically. Every message that needs an answer arrives with a pre-written draft based on your past writing and your calendar availability, which you edit and send from the same view. The tool is unusually broad for an email assistant. It blocks cold outreach before it reaches your inbox, shows you which senders you never open and lets you bulk-unsubscribe and archive them in a few clicks, and produces email analytics about who emails you most and what is clogging your inbox. Because it is open source and self-hostable, developers can inspect the code or run it on their own infrastructure — the company is SOC 2 Type 2 compliant and states your data is never used for AI training. Inbox Zero also ships a dedicated email app for Gmail and Outlook across web, macOS, Windows and iPhone, is designed to be used from Slack, Telegram or Microsoft Teams, and offers AI meeting notes and pre-meeting briefings on higher tiers. The core app is free; the AI features are billed as a per-user subscription add-on. **Pricing & Plans:** Freemium with a 7-day free trial on paid tiers. The email app is free; AI plans are billed per user per month (roughly $20 for Starter, $28 for Plus and $40 for Professional on annual billing, with monthly options costing about 20% more). Enterprise pricing with SSO, SCIM and on-premise deployment is available on request. - **Automatic inbox labelling:** Incoming mail is sorted into categories like To Reply, Newsletter, Cold Email, Calendar and Notification as it arrives, using default rules or categories you define yourself. - **Pre-drafted replies:** Emails that need a response get a draft written in your tone and referencing your real calendar availability and CRM context, ready to review and send. - **Cold email blocking and bulk unsubscribe:** Stop cold outreach from ever reaching the inbox, see which newsletters you never read, then unsubscribe and archive them in bulk. - **Email analytics:** Dashboards reveal who emails you most, which senders dominate your inbox and how your habits change over time so you can act on it. - **Open source and self-hostable:** The full codebase is public under an open licence, so teams can audit, extend or self-host it, with SOC 2 Type 2 compliance and no AI training on your data. **Strengths:** Genuinely open source and self-hostable, unlike most AI email assistants; Free core email app plus optional AI add-on keeps entry cost at zero; Combines triage, drafting, unsubscribe, cold-email blocking and analytics in one tool; Works across Slack, Telegram, Teams, web, desktop and mobile **Limitations:** Best experience requires connecting Google or Microsoft account data; Free tier excludes most AI features, which need a paid per-user plan; Advanced tiers quickly get pricey for large teams [Profile (Markdown)](https://openaitools.app/tool/inbox-zero.md) ## MailTime MailTime rethinks the email interface rather than replacing email itself. Instead of a mailbox full of threaded messages with headers, signatures and quoted text, it strips a conversation down to readable chat bubbles so you can scan a thread and reply quickly. Because it still sends and receives ordinary email, no one on the other end needs to install anything or change their habits — to them your message looks like a normal email. One app handles multiple accounts, so personal Gmail, work Outlook and an iCloud address can sit side by side without switching between clients. The product is built by Mobile Internet Limited (Hong Kong), which came out of Y Combinator's Winter 2016 batch, and has been recognised by the App Store, TechCrunch Disrupt and MWC 4YFN award programmes. It is available in English, Simplified Chinese, Traditional Chinese and Japanese. On privacy, MailTime states that it complies with GDPR and offers in-app controls to opt in or out of data sharing. It is positioned for people who find traditional email clients heavy and want a lighter, more conversational way to keep up with correspondence on a phone. **Pricing & Plans:** Free to download and use, with the company describing its model as free/freemium. There is no mandatory subscription to read and reply to email; any paid or premium offerings are handled through the app stores. - **Chat-style inbox:** Emails appear as conversation bubbles with metadata stripped away, so long threads read like a messaging chat. - **All accounts in one app:** Gmail, Yahoo, Outlook, iCloud and corporate mail accounts are supported together, so you stop switching between clients. - **No setup for recipients:** People you write to see ordinary emails; nothing changes on their side and no one has to install MailTime. - **Privacy controls:** MailTime states GDPR compliance and lets users opt in or out of data sharing directly from the app. - **Built for mobile:** Designed as a phone-first email experience across iOS and Android, in English, Chinese and Japanese. **Strengths:** Makes long email threads genuinely easy to scan and answer; Supports personal and corporate accounts from many providers in one app; Recipients need no special setup or account; Explicit privacy controls and stated GDPR compliance **Limitations:** The conversational view is less suited to formal, document-heavy email; Feature set is narrower than a full desktop-class email client; Availability of advanced features can vary by platform and store region [Profile (Markdown)](https://openaitools.app/tool/mailtime-com.md) ## Frequently Asked Questions ### How do Inbox Zero and MailTime compare in monthly traffic? Inbox Zero has 89,348 monthly visits, while MailTime has 10,396. Traffic estimates describe audience size, not product quality. ### How do their growth rates compare? Inbox Zero has a month-over-month growth rate of +6.8%; MailTime has -5.7%. ### How does pricing compare? Inbox Zero: Freemium, Free Trial. Freemium with a 7-day free trial on paid tiers. The email app is free; AI plans are billed per user per month (roughly $20 for Starter, $28 for Plus and $40 for Professional on annual billing, with monthly options costing about 20% more). Enterprise pricing with SSO, SCIM and on-premise deployment is available on request. MailTime: Freemium. Free to download and use, with the company describing its model as free/freemium. There is no mandatory subscription to read and reply to email; any paid or premium offerings are handled through the app stores. ## Alternatives | # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [Superhuman](https://openaitools.app/tool/superhuman) | 6,514,241 | +7.9% | Paid | The AI productivity suite with agents, email, and docs that work wherever you do | [.md](https://openaitools.app/tool/superhuman.md) | | 2 | [Missive](https://openaitools.app/tool/missive) | 631,353 | +0.2% | Free Trial, Paid | Collaborative inbox and email management for teams | [.md](https://openaitools.app/tool/missive.md) | | 3 | [Spark Mail](https://openaitools.app/tool/spark-mail) | 435,229 | -13.5% | Freemium, Free Trial | Smart, focused email with AI help — for individuals and teams | [.md](https://openaitools.app/tool/spark-mail.md) | | 4 | [BlueMail](https://openaitools.app/tool/bluemail) | 319,805 | -5.8% | Free | A privacy-first email client with built-in AI writing help | [.md](https://openaitools.app/tool/bluemail.md) | | 5 | [Fyxer](https://openaitools.app/tool/fyxer-ai-executive-assistant) | 298,288 | -3.8% | Free Trial, Paid | An AI executive assistant that works across your inbox, calendar and meetings | [.md](https://openaitools.app/tool/fyxer-ai-executive-assistant.md) | | 6 | [Shortwave](https://openaitools.app/tool/shortwave) | 193,316 | -5.1% | Freemium, Free Trial | Automate your email with AI | [.md](https://openaitools.app/tool/shortwave.md) | | 7 | [Spike](https://openaitools.app/tool/spike) | 93,475 | -26.6% | Freemium | AI-first email that turns your inbox into a chat-like workspace | [.md](https://openaitools.app/tool/spike.md) | | 8 | [FiloMail](https://openaitools.app/tool/filo-mail) | 35,548 | -5.1% | Freemium | AI email client that turns your inbox into clear next steps | [.md](https://openaitools.app/tool/filo-mail.md) | | 9 | [Snoooz AI](https://openaitools.app/tool/snoooz-ai) | 10,998 | -31% | Free Trial, Contact for Pricing | The AI agent that runs your team's inbox | [.md](https://openaitools.app/tool/snoooz-ai.md) | | 10 | [Ellie](https://openaitools.app/tool/tryellie-com) | 9,297 | -0.3% | Free Trial, Paid | Your inbox on autopilot — replies drafted overnight in your own voice. | [.md](https://openaitools.app/tool/tryellie-com.md) | --- Source: https://openaitools.app/compare/inbox-zero-vs-mailtime-com More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)