Mergeline
Best if you want 60 free emails a day, follow-ups that stop on reply for $99 a year, and lists that never leave your browser. It sends at a human pace up to Gmail’s own limit, so it is not built for thousands of emails a day.
The best Streak alternatives for Gmail mail merge in 2026 are Mergeline, GMass, Mailmeteor and YAMM. Streak is a CRM first, with paid plans from $49 per user a month billed yearly. If you only need mail merge with follow-ups, Mergeline costs $99 a year and keeps your lists in your browser.
Streak is priced as a CRM. Pro costs $59 per user a month, or $49 billed yearly ($588 a year). Pro+ is $89 or $69, and Enterprise $159 or $1291. The free plan includes mail merge but no CRM pipelines1. If you came for mail merge and follow-ups, most of what you pay for is the CRM.
Streak connects to Gmail, Drive and Contacts through Google’s APIs2. It says it does not store email bodies and keeps metadata such as recipients and subject lines only temporarily2. That is a careful set-up, published openly; it is still a cloud service that sees who you email.
Its privacy policy is public too3. For a solo founder, a recruiter or a teacher who wants a personal email to 60 people and a nudge three days later, a CRM can be more tool than the job needs.
These are the 6 tools we would look at first if you are leaving Streak, with Streak in the last row for reference. Mergeline is first because it is ours; the verdicts below say who each one suits.
| Tool | Free plan | Lowest yearly price | Follow-ups from | Open tracking |
|---|---|---|---|---|
| Mergeline | 60 emails a day, no time limit, no branding added | $99 | $99 a year (Pro, up to 7) | None added |
| GMass | No free plan. A 7-day trial with 50 emails per rolling 24 hours4 | $249 (Standard) | $349 a year (Premium) | Opens and clicks |
| Mailmeteor | 50 emails a day5 | $71.88 per user (Starter) | $215.88 a year per user (Premium, 5) | Email tracker |
| YAMM | 20 recipients a day for 1 user6 | $72 (gmail.com) | Follow-up campaigns on every plan | Opens, clicks, responses |
| Right Inbox | “Limited” plan without mail merge, tracking or sequences7 | $95.40 per user (Professional) | $95.40 a year per user (Professional) | Paid plans |
| MergeMail | 50 emails a day8 | $144 (Pro) | Not published | Opens and clicks |
| Streak | 50 mail merge sends a day, plus email and link tracking. No CRM pipelines1 | $588 per user (Pro) | Listed; plan not published | Views and links |
Best if you want 60 free emails a day, follow-ups that stop on reply for $99 a year, and lists that never leave your browser. It sends at a human pace up to Gmail’s own limit, so it is not built for thousands of emails a day.
Best for high-volume senders who want to send past Gmail’s limits, run A/B tests and read open and click reports, and who accept a server in the path.
Best for teams that want a Sheets add-on plus a web dashboard and Outlook support, with open tracking and high daily volume on the top plans.
Best for people who keep everything in Google Sheets and want open tracking on a low yearly price, especially on a personal gmail.com account.
Best if you want sequences, tracking and other Gmail tools in one low-priced bundle, or need Safari or Firefox. Mail merge is not in its free plan.
A Gmail extension close to Mergeline in shape, with a 50-a-day free plan and Pro at 200 a day. Check its follow-up and permission details before you choose it.
| Mergeline | Streak | |
|---|---|---|
| Free plan | 60 emails a day, no time limit, no branding added | 50 mail merge sends a day, plus email and link tracking. No CRM pipelines1 |
| Lowest yearly price | $99 | $588 per user (Pro) |
| Follow-ups | Up to 7 on Pro, in the same thread, stopping for anyone who replies | Automatic follow-ups in mail merge. Which plan: not published1 |
| Tracking | None added: no tracking pixels and no link redirects | Email view tracking, including on the free plan1 |
| Where your data lives | In your browser. No Mergeline server receives your lists, emails or replies | Google Cloud in the US. No email bodies stored; metadata such as recipients and subject kept temporarily2 |
| Google permissions | No Google account permissions by default. Optional Google sign-in asks for gmail.send, plus gmail.readonly only if you turn on reply detection | Gmail, Drive and Contacts APIs, with a Google OAuth review every year2 |
Stay with Streak if you track deals in pipelines, share them with a team, or want your CRM and mail merge in one place. Mergeline is not a CRM and does not try to be.
Yes, with limits. The free plan includes 50 mail merge sends a day and email tracking, but no CRM pipelines1.
Pro is $49 per user a month billed yearly, $588 a year. Pro+ is $69 ($828) and Enterprise $129 ($1,548)1.
Streak says it does not store email bodies and stores metadata such as recipients and subject lines only temporarily, on Google Cloud in the US2.
No. Mergeline replaces Streak’s mail merge and follow-ups, not its pipelines. Export results to CSV if you track deals elsewhere.
60 emails a day free, with no card and no branding. Pro is $12 a month or $99 a year, with up to 7 follow-ups that stop on reply.
Add to ChromeGmail is a trademark of Google LLC. Streak is a trademark of its owner. Mergeline is not affiliated with, endorsed by or sponsored by Google or any other company named on this page.