Dev tools · alternatives · 2026

24 alternatives to Square Reader SDK

Your app, powered by Square hardware

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Square Reader SDK launched in 2018; newer entries below may have overtaken it.

1. 1
   Square Contactless Reader▲255

   Accept Apple Pay + Chip cards, anywhere

   2015 · squareup.com · its alternatives →

2. 2
   $Cashtags by Square▲722

   Get paid via $cashtags for things you do online or in person

   2015 · t.co · its alternatives →

3. 3
   Square Invoices▲216

   Send free, professional invoices and estimates in a new app

   2019 · squareup.com · its alternatives →

4. 4
   Square Appointments▲158

   Schedule, book and take payments anywhere 💇📅📲

   2015 · squareup.com · its alternatives →

5. 5
   Square In-App Payments SDK▲9

   Secure in-app payments for iOS and Android.

   2019 · developer.squareup.com · its alternatives →

6. 6
   Square Flutter Plug-in for Reader SDK▲2

   Cross-platform in-person payments with Flutter & Reader SDK

   2018 · developer.squareup.com · its alternatives →

7. 7
   Shopify’s Chip & Swipe Reader▲395

   Sell in person with Shopify’s free Chip & Swipe Reader

   2017 · shopify.com · its alternatives →

8. 8
   Shopify Tap & Chip Reader▲156

   Mobile POS hardware that connects to the rest of Shopify

   2018 · shopify.com · its alternatives →

9. 9
   BookRead▲415

   AI-powered E-Reader that makes reading effortless

   2025 · apps.apple.com · its alternatives →

10. 10
    Square + Apple Pay▲256

    Accept Apple Pay and chip cards everywhere.

    2015 · squareup.com · its alternatives →

11. 11
    Readwise Reader▲380

    The all-in-one reading app for power readers

    2022 · readwise.io · its alternatives →

12. 12
    Square Installments▲304

    An easy way to offer monthly payment plans to your customers

    2018 · squareup.com · its alternatives →

13. 13
    Substack App for iOS▲163

    The home for great writing

    2022 · apps.apple.com · its alternatives →

14. 14
    Stripe iOS SDK▲392

    Accept both Apple Pay and credit card payments easily on iOS

    2016 · stripe.com · its alternatives →

15. 15
    Square for Retail▲167

    Point-of-sale app & set of tools for retail businesses

    2017 · its alternatives →

16. 16
    Virtual Terminal by Square▲209

    Accept payments on your computer

    2016 · squareup.com · its alternatives →

17. 17
    Square Cash▲126

    Email money to anyone

    2014 · cash.app · its alternatives →

18. 18
    Square Appointments▲120

    A free scheduling and payments platform from Square 💸

    2018 · squareup.com · its alternatives →

19. 19
    ABBYY Business Card Reader▲138

    Scan cards ≡ in a second and manage them everywhere ☁

    2017 · pdf.abbyy.com · its alternatives →

20. 20
    Square Banking▲252

    Your payments, banking, and cash flow. Working as one.

    2021 · squareup.com · its alternatives →

21. 21
    Purchasely▲56

    The in-app subscription platform for app marketers

    2021 · purchasely.com · its alternatives →

22. 22
    Pay in apps with Venmo▲171

    Make purchases in apps using your Venmo account

    2016 · account.venmo.com · its alternatives →

23. 23
    Substack Reader 2.0▲148

    Discover and discuss great writing on Substack

    2023 · apps.apple.com · its alternatives →

24. 24
    Easy Invoice Maker App by Moon▲108

    An invoicing solution for all businesses

    2024 · web.mooninvoice.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 →