Growth · alternatives · 2026

24 alternatives to Seamailer

Send marketing emails that bring results without limits

Seamailer is an email marketing platform that uses AI and automation to help businesses send marketing campaigns without restrictions. It offers intelligent features and suggestions designed to improve audience… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier. Seamailer launched in 2024; newer entries below may have overtaken it.

1. 1
   Sender▲297

   Super easy and affordable email marketing platform

   2021 · sender.net · its alternatives →

2. 2
   Mailmodo AI▲471

   Try this AI email marketing tool to create emails, automate journeys, and add interactivity to drive better conversions.

   2025 · mailmodo.com · its alternatives →

3. 3
   Waxwing▲1,035

   AI copilot for every marketing task

   2024 · its alternatives →

4. 4
   Growbots Email Timing Optimizer▲437

   Find the perfect time to send your email

   2017 · growbots.com · its alternatives →

5. 5
   SendX 2.0▲277

   Growth tools & marketing automation for non-marketers

   2017 · sendx.io · its alternatives →

6. 6
   Upstream▲976

   The inbox designed for humans and agents

   Jun 2026 · upstream.do · its alternatives →

7. 7
   Moda▲791

   An e-commerce growth marketing platform

   2023 · its alternatives →

8. 8
   Mailercloud▲257

   Automate, optimize, convert, next level email automation

   2024 · mailercloud.com · its alternatives →

9. 9
   Success.ai▲364

   Supercharge your growth with AI-powered cold emails

   2023 · success.ai · its alternatives →

10. 10
    Mailgo▲469

    AI-powered cold email platform that boosts deliverability

    2025 · mailgo.ai · its alternatives →

11. 11
    10xBeast▲270

    Customized email campaigns for outbound B2B sales teams

    2024 · its alternatives →

12. 12
    Sendster AI▲96

    AI enabled newsletter software for Amazon SES, SMTPs

    2023 · getsendster.in · its alternatives →

13. 13
    Sendrfree tier, from $119/mo▲326

    Your complete GTM stack, powered by AI

    Nov 2025 · sendr.ai · its alternatives →

14. 14
    Outboundly.ai▲190

    AI-powered cold outreach platform

    2023 · outboundly.ai · its alternatives →

15. 15
    MailerLite▲290

    Intuitively-designed email marketing and website tools

    2014 · mailerlite.com · its alternatives →

16. 16
    MailTester.AI▲327

    Forward an email and get an AI deliverability report in 30s

    2025 · mailtester.ai · its alternatives →

17. 17
    AidaJet▲96

    Create, design, schedule and analyze Newsletters with AI

    Nov 2025 · jet.aidanow.ai · its alternatives →

18. 18
    Magic Sales Bot▲359

    Write sales emails 10x faster with GPT-3

    2021 · rpdoyle.com · its alternatives →

19. 19
    EmailFlow.AI▲146

    B2B lead generation with autonomous AI agents

    2024 · emailflow.ai · its alternatives →

20. 20
    Mailmeteor 2.0▲301

    Send auto follow-up emails with Gmail

    2022 · mailmeteor.com · its alternatives →

21. 21
    Mailwave AI▲94

    The best AI email marketing tool

    2023 · its alternatives →

22. 22
    eezyCollab▲269

    AI-powered influencer marketing tool

    2024 · eezycollab.com · its alternatives →

23. 23
    Shortwave AI Email Assistant 2.0▲214

    The ultimate search, analysis, and productivity companion

    2024 · shortwave.com · its alternatives →

24. 24
    Sender SMS▲151

    Effortless and affordable SMS marketing platform

    2021 · sender.net · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →