AI · alternatives · 2026

24 alternatives to Reginald

Personal AI that sends passive aggressive emails for you

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. Reginald launched in 2016; newer entries below may have overtaken it.

1. 1
   Boomerang Respondable▲687

   Write perfect emails with Artificial Intelligence

   2016 · boomeranggmail.com · its alternatives →

2. 2
   AI Emailyfree tier, from $14.99/mo▲165

   Your AI inbox that writes like you + replies on autopilot

   Jul 2026 · aiemaily.com · its alternatives →

3. 3
   AI Sales Email Assistant by Reply▲342

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

   2021 · reply.io · its alternatives →

4. 4
   Re:scam▲342

   I’m an AI chatbot created to send scammers a message.

   2017 · rescam.org · its alternatives →

5. 5
   Archie.AI Email Bot▲122

   Cut through Google Analytics with free, weekly emails

   2017 · archie.ai · its alternatives →

6. 6
   Chat by Copy.ai▲464

   A smarter ChatGPT to help you get more done

   2023 · its alternatives →

7. 7
   Slashy▲474

   The AI assistant that does email for you

   Jun 2026 · slashy.com · its alternatives →

8. 8
   BoostBot▲334

   Your personal AI-powered influencer marketing assistant

   2023 · its alternatives →

9. 9
   Retain AI▲381

   Send AI-generated winback emails automatically

   2024 · apps.shopify.com · its alternatives →

10. 10
    HowToReplyTo.com▲184

    AI-powered replies for every message

    2022 · aichat.fm · its alternatives →

11. 11
    Angry Email Translator▲84

    Free AI tool to transform angry emails into polite ones

    2023 · angryemailtranslator.com · its alternatives →

12. 12
    MailBunny.ai▲86

    Email based AI assistant, collaborate, summarize & more

    2023 · its alternatives →

13. 13
    Turing Email▲112

    Making checking your inbox as fun as using Slack

    2015 · goo.gl · its alternatives →

14. 14
    AutoResponder.ai▲81

    Send automatic AI replies to your favorite messengers

    2023 · autoresponder.ai · its alternatives →

15. 15
    Zapier Email Parser▲97

    I'm a friendly robot.

    2014 · zapier.com · its alternatives →

16. 16
    ReplylessAI▲122

    AI Email app that's affordable, Hit Inbox Zero

    Mar 2026 · replyless.ai · its alternatives →

17. 17
    Never Boring AI▲84

    The AI agent that writes your LinkedIn posts in your voice

    2d ago · neverboring.ai · its alternatives →

18. 18
    EzMail.AI▲115

    Reply to emails 10X faster with pre-filled drafts by AI

    2023 · its alternatives →

19. 19
    Roboresponse▲17

    An email auto reply software powered by AI

    2018 · its alternatives →

20. 20
    AI Replier▲27

    AI Email Assistant that lets you book more sales meetings

    2024 · amplemarket.com · its alternatives →

21. 21
    Roy▲81

    The *polite* companion bot who knows your business

    2016 · its alternatives →

22. 22
    AI Email Writer▲63

    AI, Generate your emails, Email Generator

    2023 · its alternatives →

23. 23
    email auto-responder▲13

    save you precious time and automate replying

    2025 · replyzeai.netlify.app · its alternatives →

24. 24
    Edison Mail▲6

    An AI assistant to assist with email overload

    2017 · apps.apple.com · 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 →