Use Letty
Letty automates email writing, but only for Gmail.
At a glance
Starts at
$9 per month
Price as published by the vendor, September 2026.
Free tier
Yes, limited
Platforms
Gmail (upcoming: Outlook and Zoho)
Best for
Gmail users
Not for
Outlook and zoho users
4.0 out of 5
Scored by a Toolio reviewer after real useOur verdict
Boosts productivity by crafting professional emails quickly. Limited to Gmail; other platforms not yet supported.
✓What it does well
Drafts professionallyLetty helps you write perfect, personalized emails with ease.
Uses AI for smart repliesAI analyzes your inbox to suggest relevant and contextually appropriate responses.
Customizable training dataUpload documents or websites for Letty to use in crafting smarter emails.
✕Where it falls short
Limited platform supportCurrently only supports Gmail, no Outlook or Zoho integration yet.
Price increase with more creditsHigher plans offer additional AI credits but at a higher cost per month.
No cross-platform trainingTraining data must be re-uploaded for each platform you use Letty on, even if it's just Gmail.
Key features
Free plan availableThe free plan offers 10 AI credits per month and up to 400,000 training characters.
Priority supportPremium plans include priority customer service for faster issues resolution.
Early access to featuresPlatinum plan subscribers get early access to new Letty features as they become available.
Cross-platform Training DataAbility to train on data from multiple platforms