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Customer reviews: Monster Cart Upsell+Free Gift

Develop by Shopify

Monster Upsells is a Shopify app designed to help merchants increase revenue through strategic upsell and cross-sell offers. This review covers its features, pricing, and real user experiences to help you decide if it’s the right tool for your store.

Reviews (484)

Overall rating
4.7

What Merchants Think

The "Monster Cart Upsell+Free Gifts" app has generally positive feedback from merchants, with many praising its customizable options and ability to enhance upsells and conversions. While most appreciate its vast feature set and positive impact on sales, opinions about customer support are mixed, with many experiencing prompt and helpful service, but others reporting delays and unhelpful interactions.

Key Strengths

  • Highly customizable and integrates seamlessly with Shopify.
  • Effective in increasing conversion rates and Average Order Value (AOV).
  • Positive experiences with responsive and professional customer support.
  • Wide range of upsell and marketing features.
  • User-friendly interface and easy setup.

Common Concerns

  • Some users report delays and inconsistencies in customer support.
  • Issues with compatibility and customization for specific features or themes.
  • Concerns about pricing, particularly for smaller businesses.
  • Reports of glitches or bugs that sometimes require follow-up to resolve.

Final Thoughts

Overall, "Monster Cart Upsell+Free Gifts" is well-received as a feature-rich app that helps boost sales and customer engagement. Despite some mixed feedback on customer support response times, the app’s functionalities and support team's efforts generally contribute to a positive user experience. It is a recommended tool for businesses wishing to enhance their upsell strategy on Shopify.

Ambrosia-Nektar.com

Nov 02, 2025  on Shopify

Great app! Easy to set up, and makes you additional revenue with little to no effort! The support team is super fast and super helpful! They always resolved my issues in no time!! Everyone should install this app. It's a no-brainer!

Rejuvaus

Oct 20, 2025  on Shopify

Amazing customer service — Charlene 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.

Wagging Tails

Oct 14, 2025  on Shopify

Excellent Support and Quick Response! I had a great experience with the Monster Upsells team. Their support is excellent and super quick! A special thanks to Charlene, who was very helpful, friendly, and responsive throughout the process. She made everything so smooth and easy. Highly recommend this app and their amazing support team!

A’EL ESTE

Oct 13, 2025  on Shopify

I dont write reviews very often, but i had to give feedback from what has been a great experience all round with this app. Not only does it give me a lot more sales and easy to use - but the customer service is the best ive ever encountered. I'd recommend this app to anyone.

SOJA Fragrances

Oct 10, 2025  on Shopify

Having some tech issues and Charlene noticed some other issues which she is getting fixed asap. Great App, great support!

IVEAGH

Oct 08, 2025  on Shopify

the fastest chat service, and personable too! Fixed our issue within minutes.

Wheyl Nutrition Co.

Oct 07, 2025  on Shopify

Very responsive and warm! Thanks again!

Real World New Zealand

Oct 07, 2025  on Shopify

Excellent team support. very helpful in getting things up and running. Friendly and quick! Thanks Monster Cart

Swoodi

Oct 07, 2025  on Shopify

Great, friendly customer service

Pretty Little Designs

Oct 02, 2025  on Shopify

Really good customer service, friendly and quick. The app is easy to use and professional, with lots of options for customisation so it blends well with my store. It does exactly what it says it does!

Vitawerx

Sep 30, 2025  on Shopify

Amaree Collection

Sep 29, 2025  on Shopify

Great app & incredible customer service. Set up is super easy and there's plenty of videos that show you how to set up everything. Thank you!!

Serene Western

Sep 28, 2025  on Shopify

The Monster Cart Upsell is an excellent and highly useful tool that has provided me with a lot of convenience and great assistance. The technical team is also incredibly enthusiastic and has always offered me effective support whenever I needed it. I highly recommend it!

www.hachskin.com

Sep 26, 2025  on Shopify

Really fast response! I had only added the app to a clients site and with in minutes they were helping me with a question I had and setting up a few things with me. Really great team!

Ooh La La Nails Supply

Sep 26, 2025  on Shopify

Wow! The customer service is impeccable! I’m a newbie and the app is so easy and user friendly. I was stuck on one bit and spoke to Charlene who fixed it immediately. We are so happy with supporting them.

Esfera Designs

Sep 21, 2025  on Shopify

Amazing customer service from Angelica, and the team. On a Sunday too! Thanks team :)

& Again

Sep 18, 2025  on Shopify

FIRST SIN | Jewellery

Sep 18, 2025  on Shopify

Awesome support team that area always quick and happy to help!

Murkani

Sep 16, 2025  on Shopify

Its All Good Seasoning

Sep 16, 2025  on Shopify

In addition to increasing my AOV, Monster Cart goes above and beyond. At one point I thought I was having an issue with My cart and asked the team at Monster Cart to fix the issue. Not only did they figure out the issue was not with their cart but they also figured out what the issue was and how to fix it. The issue was with a totally different app but they put in the extra effort to ensure my shop was up and running correctly. Well done Monster Cart Team! V/R Reese It’s All Good Seasoning

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