Monster Cart Upsell+ Free Gift

Every review carries the store that wrote it and how big that store is, and 31 of them are complaints you can read in full.

• 2★2026-08-23

  Been using for about 4 months, many bugs and errors that lead to abandoned carts. Error when using several currencies. Poor support, quick but not very helpful.

  EI CEDO · outside the top 100k

  Link to this reviewVerify at sourceeicedo.com

• 5★2026-08-18

  The app itself is amazing but the customer service is next level! Ty for the help! looking forward to using this app for a long time to come!

  Joy Filled Recovery · outside the top 100k

  Link to this reviewVerify at sourcewww.joyfilledrecovery.com

• 5★2026-08-12

  Fast and helpful support! I reached out to the support team and got a quick response, they helped me smoothly. Very complete app for managing upsells, free gifts, and cart discount thresholds — recommended for anyone looking to increase their store's AOV

  Zen Home · outside the top 100k

  Link to this reviewVerify at sourcezenhomeshop.com

• 5★2026-08-07

  great service

  cosycubco. · outside the top 100k

  Link to this reviewVerify at sourcecosycubco.store

• 5★2026-08-07

  great service

  FRULABEAUTY · outside the top 100k

  Link to this reviewVerify at sourcewww.frulabeauty.com

• 4★2026-08-07

  Unfortunately, I’m very disappointed with both the Monster Cart app and the customer service. The app is marketed as an upsell solution, but it does not support true tiered upsells. For example, we wanted to offer one upsell when a customer adds a product to the cart, and then unlock an additional offer when they add the first upsell. This type of tiered setup is not possible, which was a major limitation for us. Customer service has also been frustrating. Response times are too long, and it often feels like a different person is handling the conversation each time. Instead of getting a clear solution, I frequently receive another question and have to explain the issue again. Overall, I’m not satisfied with either the functionality of the app or the level of customer support.

  Onekid · top 100k store

  Link to this reviewVerify at sourceonekid.com

• 5★2026-08-06

  Updating my review as it's only fair. We did have an issue with our billing, but Ty has since reached out personally, resolved it, and genuinely went above and beyond to help. He stayed in touch throughout the process, explained everything clearly, and the customer service has been excellent. We're still using the app and it's been working well for us. Thanks again, Ty, for all your help! Original review - Decent app, but picked up that they are duplicating their charges every month. They charge a monthly fee + usage & a monthly fee again. I reached out to their support 2 weeks ago and keep getting a general response that they've passed on the message to the team leader, but still no response. Can you please refund and fix your charges ASAP? Check your charges on your monthly bill!

  Bling My Ride · outside the top 100k

  Link to this reviewVerify at sourcewww.blingmyride.com.au

• 5★2026-06-13

  I had an issue and reached out to the support team. They replied incredibly fast and were so helpful and supportive. Highly recommend this app!!!

  VELUNA · outside the top 100k

  Link to this reviewVerify at sourcevelunalife.com

• 5★2026-06-12

  Amazing customer service — TY has been super helpful! Love how flexible the customisation is across different cart types. We had a few hiccups with integration, but the dev team helped us sort it out quickly.

  Rejuvaus · outside the top 100k

  Link to this reviewVerify at sourceau.rejuvaus.com

• 5★2026-06-06

  Great app for cart upsell offers — exactly what I needed for my store. The support team resolved my issue perfectly, the only thing they could improve is their response time. Highly recommend!

  Aroluxe · outside the top 100k

  Link to this reviewVerify at sourcearoluxe.bg

Read all 400 with sources – and filter them to the complaints, the recent ones, or the stores big enough to matter.

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