| App | Installs | Publisher | Publisher Email | Publisher Social | Publisher Website |
| 18M | Block, Inc. | *****@help-messaging.squareup.com |    | https://squareup.com/help/us/en/article/5618-get-started-with-the-square-dashboard-app | |
| 17M | Wix | *****@wix.com |  | http://www.wix.com/ | |
| 5M | Wix | *****@wix.com | | http://www.wix.com/ | |
| 3M | Herbalife International of America, Inc. | *****@herbalife.com | | http://www.herbalife.com/ | |
| 2M | Booksy International sp. z o.o. | *****@booksy.com | | https://booksy.com/ | |
| 1M | Meter App LLC | *****@gmail.com | - | https://meter-backend.vercel.app/ | |
| 1M | Block, Inc. | *****@help-messaging.squareup.com | | https://squareup.com/help/us/en/article/5618-get-started-with-the-square-dashboard-app | |
| 1M | TAXImet | *****@gmail.com | - | http://www.taximet.com/ | |
| 839K | Block, Inc. | *****@help-messaging.squareup.com | | https://squareup.com/help/us/en/article/5618-get-started-with-the-square-dashboard-app | |
| 504K | Squarespace Inc | *****@acuityscheduling.com | | https://www.squarespace.com/scheduling |
Full list contains 1K apps using Square Reader in the U.S, of which 1K are currently active and 953 have been updated over the past year, with publisher contacts included.
List updated on 4th May 2024
The Square Reader SDK is a Development Tools SDK provided by Square, Inc.. By integrated this SDK, apps have the capabilities of Near Field Communication.
A breakdown of countries and app categories used by Square Reader apps.
Most popular Square Reader alternatives in 2024.
| SDK | Apps Integrated | Provider |
| 143K | Google LLC | |
| 52K | AltBeacon Team | |
| 11K | Kontakt Micro-Location Sp. Z.o.o. | |
| 5K | Beaconwatcher Ltd. | |
| 2K | Zebra Technologies Corp. | |
| 1K | LG Silicon Valley Lab. | |
| 842 | Amazon.com, Inc. | |
| 246 | Hewlett Packard Enterprise Development LP | |
| 103 | Sensorberg GmbH | |
| 90 | Fitbit LLC. |
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