1. Mailtrack
Read receipts and link tracking for Gmail.
Why it replaces MailKing: Email Campaigns in Gmail by cloudHQ: Covers similar ground in the Email category: Read receipts and link tracking for Gmail.
Best MailKing: Email Campaigns in Gmail by cloudHQ Alternatives in 2026
MailKing: Email Campaigns in Gmail by cloudHQ 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.
About MailKing: Email Campaigns in Gmail by cloudHQ
Looking for the best mass email and email marketing software available? MailKing sends your email campaigns from your Gmail address, so you're guaranteed higher open rates. Not only that, but it's built to work right in Gmail, so it's easy to access anytime you need to. Setting up a campaign is easy, intuitive, and extremely effective. MailKing is also very feature-rich. Here are just a few important highlights: ✅ Higher open rates ✅ Send emails from your Gmail, not "noreply@url.com" ✅ Thousands of professionally designed email templates for you to select ✅ Intuitive drag and drop email design editor if you prefer to design your emails from scratch ✅ HTML design editor available too ✅ Import Mailchimp templates, or Hubspot templates ✅ Easily upload CSV file from Mailchimp, Yesware, Salesforce, Zoho and other CRMs ✅ Mail merge available from any of your spreadsheets ✅ Email list builder ✅ Create multiple email contact lists for hyper-targeted campaigns ✅ Embed a branded signup form on your website with your logo, brand colors, and text ✅ Track opens, clicks, and replies ✅ Sequence and follow up email campaigns ✅ Full merge tag support: personalize name, email, or other data...
Comparison at a glance
| Extension | Rating | Users | Pricing | Best for |
|---|---|---|---|---|
| MailKing: Email Campaigns in Gmail by cloudHQ (original) | 4.6 | 10K+ | Freemium | Send mass emails directly from Gmail |
| Mailtrack | 4.4 | 3M+ | Freemium | Salespeople and recruiters who need to know when an email was actually opened. |
| Apollo.io: Free B2B Phone Number & Email Finder | — | — | Free | Apollo enables users to find contact info, connect with buyers, track emails, and more for free. |
| HubSpot Sales | — | — | Free | Email tracking, CRM for Gmail, and sales productivity tools in your inbox |
| Email Finder by ContactOut – Email Lookup Tool | 4.4 | 600K+ | Free | Find emails for 75% of Linkedin or ANY website. Save profiles to CRM. Chatgpt comments & email writer. Trusted by 76% of Fortune500. |
| Email Finder by Snov.io | 4.9 | 400K+ | Free | Find email addresses on any website. Our Email Finder lets you collect leads and grow sales on the go. |
| 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 |
| WiseStamp Email Signature Chrome Extension | 3.9 | 200K+ | Free | WiseStamp email signature |
| ClickUp: Tasks, Screenshots, Email, Time | — | — | Free | ClickUp is a productivity platform that makes your personal and work lives more productive, saving you time. |
| Briskine: Email templates for Gmail™ | 4.5 | 100K+ | Free | Write emails faster! Increase your productivity with templates and shortcuts on Gmail™, Outlook, or LinkedIn. |
MailKing: Email Campaigns in Gmail by cloudHQ alternatives in detail
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2. Apollo.io: Free B2B Phone Number & Email Finder
Apollo enables users to find contact info, connect with buyers, track emails, and more for free.
Why it replaces MailKing: Email Campaigns in Gmail by cloudHQ: Covers similar ground in the Email category: Apollo enables users to find contact info, connect with buyers, track emails, and more for free.
3. HubSpot Sales
Email tracking, CRM for Gmail, and sales productivity tools in your inbox
Why it replaces MailKing: Email Campaigns in Gmail by cloudHQ: Covers similar ground in the Email category: Email tracking, CRM for Gmail, and sales productivity tools in your inbox
4. Email Finder by ContactOut – Email Lookup Tool
Find emails for 75% of Linkedin or ANY website. Save profiles to CRM. Chatgpt comments & email writer. Trusted by 76% of Fortune500.
Why it replaces MailKing: Email Campaigns in Gmail by cloudHQ: Covers similar ground in the Email category: Find emails for 75% of Linkedin or ANY website. Save profiles to CRM. Chatgpt comments & email writer. Trusted by 76% of Fortune500.
5. Email Finder by Snov.io
Find email addresses on any website. Our Email Finder lets you collect leads and grow sales on the go.
Why it replaces MailKing: Email Campaigns in Gmail by cloudHQ: Covers similar ground in the Email category: Find email addresses on any website. Our Email Finder lets you collect leads and grow sales on the go.
6. GMass: Powerful mail merge for Gmail
A powerful mass email and mail merge system for Gmail.
Why it replaces MailKing: Email Campaigns in Gmail by cloudHQ: Covers similar ground in the Email category: A powerful mass email and mail merge system for Gmail.
7. DocHub - Sign PDF from Gmail
Sign and edit PDF documents
Why it replaces MailKing: Email Campaigns in Gmail by cloudHQ: Covers similar ground in the Email category: Sign and edit PDF documents
8. WiseStamp Email Signature Chrome Extension
WiseStamp email signature
Why it replaces MailKing: Email Campaigns in Gmail by cloudHQ: Covers similar ground in the Email category: WiseStamp email signature
9. ClickUp: Tasks, Screenshots, Email, Time
ClickUp is a productivity platform that makes your personal and work lives more productive, saving you time.
Why it replaces MailKing: Email Campaigns in Gmail by cloudHQ: Covers similar ground in the Email category: ClickUp is a productivity platform that makes your personal and work lives more productive, saving you time.
10. Briskine: Email templates for Gmail™
Write emails faster! Increase your productivity with templates and shortcuts on Gmail™, Outlook, or LinkedIn.
Why it replaces MailKing: Email Campaigns in Gmail by cloudHQ: Covers similar ground in the Email category: Write emails faster! Increase your productivity with templates and shortcuts on Gmail™, Outlook, or LinkedIn.
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Frequently asked questions
What is the best alternative to MailKing: Email Campaigns in Gmail by cloudHQ?
Mailtrack is the closest match. Covers similar ground in the Email category: Read receipts and link tracking for Gmail.
Is there a free alternative to MailKing: Email Campaigns in Gmail by cloudHQ?
Yes — Apollo.io: Free B2B Phone Number & Email Finder, HubSpot Sales, Email Finder by ContactOut – Email Lookup Tool are free.