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Gmelius vs Tatomo (Gmail Shared Inbox Comparison) ​

If you’re choosing between Gmelius and Tatomo, you’re likely trying to solve one of these:

  • Shared inbox collaboration inside Gmail
  • Assignments, internal context, and “who replied?”
  • A support-desk feel without switching tools

The key question is where your support metadata (and possibly email content) lives.

TIP

Before deciding, define your non-negotiable: If it’s “data stays in Google Workspace,” start here: Shared Inbox Software That Keeps Data in Google Workspace

Quick summary ​

Choose Gmelius if… ​

  • You want a feature-rich workspace layered on top of Gmail
  • You value broader productivity features and don’t mind vendor-side storage/processing tradeoffs

Choose Tatomo if… ​

  • Your #1 requirement is keeping support metadata inside Google Workspace
  • You want a lightweight “support desk” feel without creating another data silo

What to compare (the real checklist) ​

1) Data location & retention ​

Ask:

  • Where do internal notes live?
  • Where do ticket statuses and assignments live?
  • Does the tool store/copy email bodies or attachments?

If your org has strict policies, insist on a clear diagram of data flow.

2) Gmail-native workflow ​

Compare how each tool supports:

  • Labels + filters
  • Snooze follow-up workflow
  • Search by ticket ID / reference

Read the workflow guide: Gmail Support Workflow: Labels, Snooze, SLAs

3) Ticket IDs and thread reference ​

Ticket IDs help you search, reference, and collaborate without confusion.

Deep dive: Ticket IDs in Gmail

4) Internal notes and team context ​

Notes are often the difference between “Gmail chaos” and “Gmail system.”

Best practices + templates: Internal Notes in Gmail

5) AI features and privacy ​

If you use AI summaries/sentiment, confirm:

  • Is it processed locally or server-side?
  • Do email contents leave your environment?

Related: Local AI for Gmail Support

A simple decision framework ​

If you’re a small support team and your priorities are:

  1. Gmail-first
  2. Minimal tool sprawl
  3. Workspace-only data

…Tatomo is the straightforward fit.

If you want broader productivity tooling and are comfortable with vendor-managed storage/processing, Gmelius may make sense.

Start from fundamentals ​