Last updated 08-09-2026
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The Reply Project By GMass
GMass built The Reply Project By GMass to put your inbox messages on one screen so you can respond without opening each thread separately. You sign in with Google, load your inbox or any Gmail search results, and type replies in boxes beside each message. It runs as a standalone product, and you do not need a paid GMass plan to use it.
Most inbox workflows still make you click into one email at a time. The Reply Project By GMass lines up every matching message on a single page with a reply field next to each one, which is why GMass pitches roughly 10x faster reply clearing. It also includes built-in ChatGPT drafting and reusable templates without requiring your own ChatGPT account, a layout Gmail's default reply view does not match.
Support reps, recruiters, and salespeople who answer similar messages all day get the most from it. You can search Gmail for job applicants or customer threads, reply in batch, archive or delete from the same view, and use shortcuts like Control+Y for ChatGPT or Control+M for templates. It works only with Gmail and Google Workspace accounts, not other email providers.
Shows all inbox or search-result emails on one screen with inline reply boxes beside each thread
Built-in ChatGPT drafts replies without requiring your own ChatGPT login (Control+Y or Command+Y shortcut)
Save reusable reply templates and insert them with Control+M or Command+M
Sign in with Google and start in under one minute at gmass.co/reply or reply.new
Archive, delete, and Reply All from the same batch reply view
Red outline warns when you already sent the last message outside The Reply Project By GMass
Free with no credit card or GMass subscription required.
All matching inbox emails appear on one screen with inline reply boxes.
Built-in ChatGPT drafting without bringing your own API keys.
Reusable reply templates with keyboard shortcuts for fast insertion.
Batch archive and delete keeps triage inside one workflow instead of bouncing back to Gmail tabs.
Gmail and Google Workspace only; no Outlook or Yahoo Mail support.
Cannot compose brand-new outbound emails from scratch.
Requires separate Gmail permissions even if you already use GMass.
Web-based tool with no dedicated mobile app listed on product pages.
Is The Reply Project By GMass free to use?
The Reply Project By GMass is free to use with no credit card required. GMass states on its product page and blog that The Reply Project By GMass is free, though the company notes pricing could change in the future with advance notice.
Do I need GMass to use The Reply Project By GMass?
The Reply Project By GMass works as a standalone tool without GMass. GMass confirms you do not need to be a GMass user, free or paid, to sign in and reply through The Reply Project By GMass.
Does The Reply Project By GMass work with Outlook or Yahoo Mail?
The Reply Project By GMass supports Gmail and Google Workspace accounts only. GMass states The Reply Project By GMass does not work with non-Gmail or non-Google Workspace email providers.
How does ChatGPT work in The Reply Project By GMass?
The Reply Project By GMass includes built-in ChatGPT drafting inside each reply box. Click the ChatGPT icon or press Control+Y on Windows or Command+Y on Mac to pick a quick prompt or type your own, then edit or send the generated reply.
Can The Reply Project By GMass compose new emails?
No, The Reply Project By GMass is built for fast replies to existing threads, not composing new outbound emails from scratch. GMass states the tool does not include a new-email composer.
What is reply.new for The Reply Project By GMass?
reply.new is a shortcut URL that opens The Reply Project By GMass directly. GMass documents that typing reply.new in your browser takes you to the same sign-in page as gmass.co/reply.