“We've been using the Addition/AMP app for years, and enjoy its ease of use. The support has always been prompt and helpful - thanks to Siobhan for her help yesterday in getting me up and running again quickly. We'd love to see a few areas streamlined in the future, for example, being able to view/print the labels and manifest without having to download them. Look forward to seeing what changes th”

“UPDATE 22nd August 2026 The new team, Siobahan and Anoop have got Addition back on track, with prompt support. Most issues are only very simple things, so by checking your mass's in Shopify and volumes in Addition, you can rule out most issues. Otherwise it's most probably getting the packaging correct for the dimensions of the item's you're sending. My advice is make the mass reasonably large, so”

“Very happy with recent support provided by Siobhan Turton! Great app and would recommend.”

“A big thanks to the new team at Addition. Anoop and his guys have been great in getting the App back to where it was. Great service!”

“Helpful customer service!”

“We've been using the Addition app for several years and have rarely experienced any issues. A few weeks ago, we encountered a problem where our shipping rates were no longer displaying correctly. Anoop was helpful throughout the troubleshooting process. He took the time to investigate the issue, identified the root cause, and helped resolve it. We really appreciate the support. Thanks again.”