Growth · alternatives · 2026

24 alternatives to Uplizd PostSignup

Automate welcome and trial follow-ups that look 100% human.

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.

1. 1
   Email Warm-Up by Snov.io▲345

   Warm up your email to boost deliverability and get replies

   2022 · snov.io · its alternatives →

2. 2
   Auto Warm Up for OneSignal Email▲103

   The easiest way to start sending email

   2024 · onesignal.com · its alternatives →

3. 3
   Mailwarm 2.0▲676

   The email warmup tool, upgraded for deliverability.

   Jun 2026 · mailwarm.com · its alternatives →

4. 4
   Mailmeteor 2.0▲290

   Send auto follow-up emails with Gmail

   2022 · mailmeteor.com · its alternatives →

5. 5
   Email Warm-Up Tool by Reply▲311

   Make sure your emails land in the inbox, not spam

   2021 · reply.io · its alternatives →

6. 6
   Streak Mail Merge for Gmail▲146

   Send mass, personalized emails with automatic followups

   2021 · streak.com · 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
   Warmbox▲383

   Warm-up your inbox and never land in spam

   2021 · warmbox.ai · its alternatives →

9. 9
   Email Warmup By SalesBlink▲151

   Fully automated email warm-up. Never land in spam again!

   2022 · salesblink.io · its alternatives →

10. 10
    Auto Gmail▲82

    Let AI draft answers to all your inbound emails

    2023 · chromewebstore.google.com · its alternatives →

11. 11
    Right Inbox▲163

    Superpowers for Gmail

    2019 · rightinbox.com · its alternatives →

12. 12
    AI Emailyfree tier, from $14.99/mo▲165

    Your AI inbox that writes like you + replies on autopilot

    Jul 2026 · aiemaily.com · its alternatives →

13. 13
    AI Email Signature Generator▲288

    Create stunning, professional email signatures instantly

    2025 · mailmodo.com · its alternatives →

14. 14
    Email Signature Generator by Reply▲266

    Create a professional email signature that stands out

    2022 · reply.io · its alternatives →

15. 15
    Warmer.ai▲212

    Generate personalized emails in seconds, written by AI

    2021 · warmer.ai · its alternatives →

16. 16
    Outbound▲117

    Generate personalized cold emails with AI

    2021 · tryoutbound.ai · its alternatives →

17. 17
    Autopilot▲78

    Send your best personalized emails with AI.

    2020 · ubico.io · its alternatives →

18. 18
    Email Warmup by Boxward▲144

    Get more cold emails opened, get more sales, automatically

    2022 · boxward.com · its alternatives →

19. 19
    Thanks.io▲146

    Direct mail automation platform

    2023 · thanks.io · its alternatives →

20. 20
    Warmup Your Email▲153

    Always land in Inbox by establishing sender reputation

    2021 · warmupyour.email · its alternatives →

21. 21
    justsignup.me▲10

    Effortless Email Signup & Welcome Email Automation

    2024 · its alternatives →

22. 22
    Autoklose 2.0▲124

    Cold email reimagined 💌

    2020 · app.autoklose.com · its alternatives →

23. 23
    Ready to Send▲94

    Ready to send auto-generates draft email replies for Gmail

    2023 · getreadytosend.com · its alternatives →

24. 24
    Autobound Light▲76

    Intent-based insights turned into expert emails instantly

    2021 · 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 →