ChatGPT Add-in for Gmail™, Docs™, Slides™ & Sheets™ - AI Perfect Assistant is a strong option, but it is not the right fit for everyone. Below are 10 alternatives compared on rating, install base, pricing and the use case each one actually wins on.
Use ChatGPT in Gmail™, Docs™, Slides™ & Sheets™. Summarize emails, write drafts, polish presentations and generate content instantly
| Extension | Rating | Users | Pricing | Best for |
|---|---|---|---|---|
| ChatGPT Add-in for Gmail™, Docs™, Slides™ & Sheets™ - AI Perfect Assistant (original) | — | — | Free | Use ChatGPT in Gmail™, Docs™, Slides™ & Sheets™. Summarize emails, write drafts, polish presentations and generate content instantly |
| Quillbot: AI Writing Assistant with Humanizer, Paraphraser & AI Detector | 4.7 | 5M+ | Free | Write better emails, essays and messages with Quillbot's Grammar Checker, Paraphrasing Tool, Generative AI, Summarizer and more! |
| Mailtrack | 4.4 | 3M+ | Freemium | Salespeople and recruiters who need to know when an email was actually opened. |
| HubSpot Sales | — | — | Free | Email tracking, CRM for Gmail, and sales productivity tools in your inbox |
| GMass: Powerful mail merge for Gmail | 4.8 | 400K+ | Freemium | A powerful mass email and mail merge system for Gmail. |
| DocHub - Sign PDF from Gmail | 4.4 | 300K+ | Free | Sign and edit PDF documents |
| Briskine: Email templates for Gmail™ | 4.5 | 100K+ | Free | Write emails faster! Increase your productivity with templates and shortcuts on Gmail™, Outlook, or LinkedIn. |
| Gmail™ Email Templates by cloudHQ | 4.2 | 100K+ | Free | Beautiful email templates for Gmail. Design your templates or import templates from Mailchimp. With team sharing! |
| MailTracker: Email tracker for Gmail | 4.7 | 100K+ | Freemium | Track if your emails are opened & how many times. Be notified when your emails are read with our advanced Email Tracking extension. |
| SimpleLogin by Proton: Secure Email Aliases | — | — | Free | Easily create a different email for each website to hide your real email. Protect your inbox against spams, phishing, data breaches |
| Voila – AI Assistant, Copilot and AI Writer | 4.7 | 80K+ | Free | Seamless personal AI assistant powered by GPT-5 to help you create, write, summarize, brainstorm, and research on any website. |
Write better emails, essays and messages with Quillbot's Grammar Checker, Paraphrasing Tool, Generative AI, Summarizer and more!
Why it replaces ChatGPT Add-in for Gmail™, Docs™, Slides™ & Sheets™ - AI Perfect Assistant: Covers similar ground in the Email category: Write better emails, essays and messages with Quillbot's Grammar Checker, Paraphrasing Tool, Generative AI, Summarizer and more!
Read receipts and link tracking for Gmail.
Why it replaces ChatGPT Add-in for Gmail™, Docs™, Slides™ & Sheets™ - AI Perfect Assistant: Covers similar ground in the Email category: Read receipts and link tracking for Gmail.
Email tracking, CRM for Gmail, and sales productivity tools in your inbox
Why it replaces ChatGPT Add-in for Gmail™, Docs™, Slides™ & Sheets™ - AI Perfect Assistant: Covers similar ground in the Email category: Email tracking, CRM for Gmail, and sales productivity tools in your inbox
A powerful mass email and mail merge system for Gmail.
Why it replaces ChatGPT Add-in for Gmail™, Docs™, Slides™ & Sheets™ - AI Perfect Assistant: Covers similar ground in the Email category: A powerful mass email and mail merge system for Gmail.
Sign and edit PDF documents
Why it replaces ChatGPT Add-in for Gmail™, Docs™, Slides™ & Sheets™ - AI Perfect Assistant: Covers similar ground in the Email category: Sign and edit PDF documents
Write emails faster! Increase your productivity with templates and shortcuts on Gmail™, Outlook, or LinkedIn.
Why it replaces ChatGPT Add-in for Gmail™, Docs™, Slides™ & Sheets™ - AI Perfect Assistant: Covers similar ground in the Email category: Write emails faster! Increase your productivity with templates and shortcuts on Gmail™, Outlook, or LinkedIn.
Beautiful email templates for Gmail. Design your templates or import templates from Mailchimp. With team sharing!
Why it replaces ChatGPT Add-in for Gmail™, Docs™, Slides™ & Sheets™ - AI Perfect Assistant: Covers similar ground in the Email category: Beautiful email templates for Gmail. Design your templates or import templates from Mailchimp. With team sharing!
Track if your emails are opened & how many times. Be notified when your emails are read with our advanced Email Tracking extension.
Why it replaces ChatGPT Add-in for Gmail™, Docs™, Slides™ & Sheets™ - AI Perfect Assistant: Covers similar ground in the Email category: Track if your emails are opened & how many times. Be notified when your emails are read with our advanced Email Tracking extension.
Easily create a different email for each website to hide your real email. Protect your inbox against spams, phishing, data breaches
Why it replaces ChatGPT Add-in for Gmail™, Docs™, Slides™ & Sheets™ - AI Perfect Assistant: Covers similar ground in the Email category: Easily create a different email for each website to hide your real email. Protect your inbox against spams, phishing, data breaches
Seamless personal AI assistant powered by GPT-5 to help you create, write, summarize, brainstorm, and research on any website.
Why it replaces ChatGPT Add-in for Gmail™, Docs™, Slides™ & Sheets™ - AI Perfect Assistant: Covers similar ground in the Email category: Seamless personal AI assistant powered by GPT-5 to help you create, write, summarize, brainstorm, and research on any website.
Direct comparisons with the extensions people weigh against it.
Quillbot: AI Writing Assistant with Humanizer, Paraphraser & AI Detector is the closest match. Covers similar ground in the Email category: Write better emails, essays and messages with Quillbot's Grammar Checker, Paraphrasing Tool, Generative AI, Summarizer and more!
Yes — Quillbot: AI Writing Assistant with Humanizer, Paraphraser & AI Detector, HubSpot Sales, DocHub - Sign PDF from Gmail are free.
