Growth · alternatives · 2026

24 alternatives to Payster

Send email reminders to get paid for pending Shopify orders

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Payster launched in 2021; newer entries below may have overtaken it.

1. 1
   Kindly Payment Reminder▲63

   An app for Shopify merchants to recover pending revenue.

   2022 · payment-reminder.com · its alternatives →

2. 2
   Shopify Pay▲301

   Give shoppers a fast, secure way to pay

   2017 · shopify.com · its alternatives →

3. 3
   Shop (by Shopify)▲364

   Your new shopping assistant. Pay, track, and shop - better

   2020 · shop.app · its alternatives →

4. 4
   Sendtinel▲86

   Smart email marketing app for Shopify stores

   2018 · sendtinel.com · its alternatives →

5. 5
   Smart Reorder Emails for Shopify▲8

   Automated emails to boost repeat sales on Shopify

   2025 · apps.shopify.com · its alternatives →

6. 6
   Shoppy▲71

   Automatically get order notifications & summaries in Slack

   2019 · its alternatives →

7. 7
   PayPing▲273

   All your recurring payments in one place

   Jan 2026 · payping.space · its alternatives →

8. 8
   Late Payment Reminders Generator▲77

   Free app to generate and send reminders for overdue invoices

   2018 · unpaid.io · its alternatives →

9. 9
   Notify-Slack Notifications▲21

   Get your Shopify store notifications instantly on Slack

   2019 · apps.shopify.com · its alternatives →

10. 10
    Shopify Email▲229

    Email marketing designed for ecommerce

    2019 · shopify.com · its alternatives →

11. 11
    Shopify Ping▲207

    Chat with customers & get help with marketing in one app

    2018 · apps.shopify.com · its alternatives →

12. 12
    Scheduler for Shopify▲76

    Schedule updates to themes, products, collections and pages

    2021 · starlight-scheduler.vercel.app · its alternatives →

13. 13
    Free Slack Sales Alerts for Shopify▲4

    Be notified on Slack about all of your paid Shopify orders

    2017 · its alternatives →

14. 14
    Ecommerce Senders▲106

    Live email marketing insights for the top 100 Shopify stores

    2020 · ecommercesenders.com · its alternatives →

15. 15
    Remindoze▲60

    Now, no shying away from asking your own money

    2021 · remindoze.herokuapp.com · its alternatives →

16. 16
    Postbot▲66

    Sales and social pop ups for shopify stores

    2020 · apps.shopify.com · its alternatives →

17. 17
    DueDates▲11

    Let AI handle awkward payment reminders to your clients

    2025 · its alternatives →

18. 18
    Shopify Live Orders▲66

    Monitor any Shopify store's real-time sales, live

    2023 · simplytrends.co · its alternatives →

19. 19
    Shopify Order Status▲9

    Order tracking made simple & smart

    2025 · apps.shopify.com · its alternatives →

20. 20
    TestPilotAI▲12

    24/7 automated checkout monitoring for Shopify stores

    Feb 2026 · testpilotai.io · its alternatives →

21. 21
    TW - Notify team on slack (Shopify app)▲9

    Keep your ecommerce team notified realtime about the shop

    2025 · apps.shopify.com · its alternatives →

22. 22
    Draft Order Reminders▲1

    Never forget to complete a draft order again!

    2019 · apps.shopify.com · its alternatives →

23. 23
    Pay on time - payment reminder▲16

    Organize your payments

    2025 · apps.apple.com · its alternatives →

24. 24
    Notify Rush▲5

    Keep customers Notified

    2025 · apps.shopify.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 →