Cart Upsell, Free Gift Monster

In Cart Upsell, Cart Drawer, Slide Cart, Cross Sells

  • Popular with businesses in the United States

Free plan available. 10-day free trial. Additional charges may apply.

App highlights

  • Seamless workflow: use directly in Shopify admin

  • Up-to-date tech: works with the latest themes

MonsterUpsells Cart Drawer


4.9 of 5 stars

The overall rating reflects the current state of the app. It accounts for all app reviews but prioritizes the most recent ones.

  • 5 of 5 stars
    96% of ratings are 5 stars
  • 4 of 5 stars
    2% of ratings are 4 stars
  • 3 of 5 stars
    0% of ratings are 3 stars
  • 2 of 5 stars
    1% of ratings are 2 stars
  • 1 of 5 stars
    1% of ratings are 1 stars
1 - 10 of 241 reviews

Hey Bud Skincare

Location Australia

Monster Upsell is a no-brainer cart app for anyone who wants to drive the most revenue from their hard-earned traffic. Tremendously well priced plus fantastic customer service. If in need of a cart upgrade, this is your app.

Developer reply

June 23, 2022

Wowwoowowow!!!!! 🙌🥰🥰🥰🥰🥰 Don't know what to say after them kind words 🙏🏻🙏🏻🙏🏻🙏🏻 Thankyou thankyou thankyou.

Lets get you some upsells!


Location Australia

Service is great! The team are always so kind & willing to help in any possible way. Would recommend for any small or large business trying to increase sales.

Developer reply

June 21, 2022

Thanks for them kind wordssss!!!!

May the Upsell Gods be WITH YOU!!!!

Raise The Standard Apparel

Location United States

Literally the best app on Shopify! Works so well and got a huge AOV increase and conversion rate. Thank you guys!

Developer reply

June 20, 2022

awwwwww shux!!!! Thanks big time for the review 🙌

Flipping means a lot to the team. So happy to hear how well it's going for you!
Lets smash some upsell goals!


Location France

Facile à prendre en main, hyper personnalisable, prix hyper compétitif. Un vrai plaisir au quotidien.
Love it, good job!

David Archy CA

Location China

very helpful, thanks cart upsell! I will always use it on my website! High conversion rate since I use it!


Location Netherlands

Geweldige klantenservice! heel vriendelijk en zeer behulpzaam. Ze stellen op aanvraag alles in op je thema.


Location Germany

Best app for a good converting atc drawer. Great features, good design, super helpful support team. Worth every Dollar.

Developer reply

June 18, 2022

Thankkyouuuuu!!!!!!!! For the kind words mate!!! 🙌🥰 means a freakin lot to the team.

May the Upsell God's be with YOU!!! 🔥🔥🤘🏻

SnazzieTees Apparel

Location Canada

Really excited to start using this app! Ty helped me not only with this app setup, but also checked other questions I had! Great service


Location Canada

I have been using this app for a few months. It’s a very great tool for conversion. Love the customized campaigns and that the app is fully customizable. The customer service is really great and they get back to you super fast. Definitely give this app a try especially if you are looking for creative ways to increase your conversion. Love this app


Location United States

I am just now messing around with the features. I had some questions to start out and the customer service was GREAT to say the least! Nothing worse than dealing with a bot or someone who just shoves deals down your throat. The most basic part of this app lets me delete other apps I cant stand. Already off to a great start!

Developer reply

June 15, 2022

Freakinnnnn wohoooooooo!!! awesome to hear! 🙌🥰
May the Upsell God's be with YOUUU!!!!! 🔥🤘🏻

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