Head-to-Head Comparison · Alternative to Gmail · 📬 email
Gmail vs UnInbox
Streamline team communication with shared inboxes, unlimited email addresses, and customizable workflows. Perfect for modern businesses seeking organized email management. Here is how UnInbox ($0/mo open source) stacks up against Gmail ($15/mo) across cost, hosting, data privacy, and real-world trade-offs.
UnInbox is a verified Open Source-licensed open-source replacement for Gmail. Switching from Gmail ($15/mo) saves $180/yr per solo seat, or $900/yr for a 5-person team. Deployment: Runs on Self-host.
The catch: Requires self-hosting setup, updates, and server maintenance compared to managed Gmail.
UnInbox
$0.00/mo · Open Source
Gmail vs UnInbox Specifications
facts verified 2026-11-07
| Dimension | Gmail (Paid) | UnInbox (Replacement) |
|---|---|---|
| Monthly Price | $15 / mo | $0 / mo |
| 1-Year Cost (1 seat) | $180 / yr | $0 / yr (Save $180) |
| 1-Year Cost (5 seats) | $900 / yr | $0 / yr (Save $900) |
| 1-Year Cost (10 seats) | $1,800 / yr | $0 / yr (Save $1,800) |
| Source & License | Proprietary SaaS | open source Open Source |
| Where It Runs | Vendor Cloud | Self-host (your server) |
| Platforms | Web / Cloud | webself-hosteddocker to self-host |
| GitHub Stars | — | ★ 1.8k (active nov 2026) |
Deep Dive: Switching from Gmail to UnInbox
Trade-offs, installation & data architecture
What you trade away
Requires self-hosting setup, updates, and server maintenance compared to managed Gmail.
How to deploy UnInbox
Clone https://github.com/un/inbox or deploy with Docker Compose
What it takes to run
Deploy via Docker or binary release from GitHub and configure environment variables.
Where your data lives
All application data and configuration live on your own server or local database.
Why fork UnInbox instead of vibe-coding a Gmail clone?
Instead of paying recurring SaaS fees for Gmail or rebuilding it from scratch, deploy one of the 6 battle-tested open-source alternatives like Macro Mail.
Gmail vs UnInbox FAQ
Is UnInbox a good free alternative to Gmail?+
Yes. UnInbox is a verified open-source (Open Source) replacement for Gmail. Streamline team communication with shared inboxes, unlimited email addresses, and customizable workflows. Perfect for modern businesses seeking organized email management.
What is the catch when switching from Gmail to UnInbox?+
Requires self-hosting setup, updates, and server maintenance compared to managed Gmail.
How much do you save switching from Gmail to UnInbox?+
Gmail costs $15/mo ($180/yr) per seat, whereas UnInbox is $0/mo. Switching saves $180/yr for a solo user, $900/yr for a 5-person team, and $1,800/yr for a 10-person team.
How do I install or self-host UnInbox instead of Gmail?+
Install: Clone https://github.com/un/inbox or deploy with Docker Compose. Setup: Deploy via Docker or binary release from GitHub and configure environment variables.
