AI · alternatives · 2026

24 alternatives to A/B Copy Builder

Your AI-Powered A/B Testing Expert For Emails

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. A/B Copy Builder launched in 2024; newer entries below may have overtaken it.

1. 1
   Blocks▲715

   AI-powered builder to create your emails

   2023 · useblocks.io · its alternatives →

2. 2
   Success.ai▲364

   Supercharge your growth with AI-powered cold emails

   2023 · success.ai · its alternatives →

3. 3
   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 →

4. 4
   Simplified AI Writer▲478

   Scale your marketing copy with the power of AI

   2022 · simplified.com · its alternatives →

5. 5
   Agents Base▲490

   Grow any brand on autopilot with swarms of marketing agents

   2025 · agentsbase.ai · its alternatives →

6. 6
   Ernest▲242

   An AI that finds prospects and drafts tailored sales emails

   2021 · its alternatives →

7. 7
   AI Sales Email Assistant by Reply▲342

   Generate human-like emails and follow-ups with GPT-3

   2021 · reply.io · its alternatives →

8. 8
   EmailFlow.AI▲146

   B2B lead generation with autonomous AI agents

   2024 · emailflow.ai · its alternatives →

9. 9
   MailTester.AI▲327

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

   2025 · mailtester.ai · its alternatives →

10. 10
    Craftly.AI▲309

    AI copywriting tool for marketing & sales copy

    2021 · craftly.ai · its alternatives →

11. 11
    AI Easy Newsletter Studio▲269

    Effortless newsletter success with AI power

    2023 · valerianotion.gumroad.com · its alternatives →

12. 12
    Q by SubStrata▲153

    AI powered email intelligence for B2B sales

    2022 · substrata.me · its alternatives →

13. 13
    Shortwave AI Assistant▲163

    Your AI-powered executive email assistant

    2023 · shortwave.com · its alternatives →

14. 14
    The "Lazy Genius" Email Marketing System▲61

    Your professional AI email copywriter

    2024 · lazygeniusemail.com · its alternatives →

15. 15
    MateAI▲108

    Generate copy and design for your email campaigns, faster

    2022 · xauras.io · its alternatives →

16. 16
    Email AI by Snov.io▲190

    Generate reply boosting emails in seconds

    2023 · snov.io · its alternatives →

17. 17
    Yazo▲93

    Let AI write your marketing and sale copy

    2023 · yazo.ai · its alternatives →

18. 18
    ABtesting.ai▲169

    Skyrocket your conversion rates on autopilot (using GPT-3)

    2021 · abtesting.ai · its alternatives →

19. 19
    Conversion.ai▲114

    AI writing assistant that eliminates writers block for good

    2021 · conversion.ai · its alternatives →

20. 20
    Quotient▲12

    Email Marketing with AI Agents

    2025 · getquotient.ai · its alternatives →

21. 21
    AI Email Writer▲63

    AI, Generate your emails, Email Generator

    2023 · its alternatives →

22. 22
    MailBunny.ai▲86

    Email based AI assistant, collaborate, summarize & more

    2023 · its alternatives →

23. 23
    CopyAim▲82

    AI copywriting & brainstorming for instant marketing copy

    2021 · copyaim.com · its alternatives →

24. 24
    Rompt.ai▲86

    Massive prompt generation + A/B testing for AI products

    2023 · rompt.ai · 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 →