62 Interest Score
54 Discussions
0.87 Engagement
Aug 2025 Launched

Custos creates emails in seconds that match the context of your conversations and sound just like you directly from your inbox. You never have to start from scratch again.

What the Community Said

Hi Product Hunt πŸ‘‹ I’m Khalil, one of the founders of Custos. We built Custos because we were spending way too much time writing emails that should have taken seconds. Drafting, rewording, overthinking all added up to hours lost every week. Custos helps you reply faster by automatically drafting emails in two ways: it pre-generates responses the moment an email hits your inbox and it instantly writes replies when you hit respond. You don’t need to change how you work. Custos works directly from y

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Congrats on your launch πŸŽ‰πŸŽ‰ Amazing tool ❀️

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Looks awesome - like it should be native to Gmail... I was going to ask about security but @busmark_w_nika already asked :) Being CASA Tier 2 certified is pretty tough work and enough confidence that there's nothing nefarious going on :) Great job team! Congrats on the launch!

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Love Custos, fantastic product, output is super personalized and context aware. Recommend trying it out if you want to get more efficient with managing your inbox.

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Custos creates email drafts that match my tone perfectly, cutting my response time in half. Great for busy professionals who want to work smarter!

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Frequently Asked Questions

The scores reflect launch-period engagement. Historical data is preserved and doesn't change retroactively. The build date at the bottom shows when the index was last refreshed.

Check the similar products section on this page, or browse the category pages linked in the tags above. Each category page shows all products for a given year, sorted by engagement.

A measure of community engagement at launch. Higher means more people noticed and interacted with the product. It's a traction signal, not a quality rating.

Discussion threads divided by interest score. Above 0.30 is strong. Below 0.15 suggests the product got clicks but not conversation.

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