MonsterUpsells | Upsell Cart

MonsterUpsells | Upsell Cart

by Monster Apps

Slide Out Cart Drawer with Powerful Upsells & Cross Sells!

5.0 of 5 stars(7 reviews)

Powerful Upsell Campaigns!

That actually work! Add X to unlock, One tick upsell, Buy more save more (Tiered pricing), Frequently bought together and many more coming!

Increase Conversions Rates!

STOP decreasing conversion rates and annoying customers with pop-ups! The slide cart Upsells without the customer even knowing!

Design Your Ultimate Cart!

Simple to use... but extremely customizable! Built For Stores That Care About Their Conversion Rates As Well As Their Branding.​

About MonsterUpsells | Upsell Cart

(Multi-Currency Enabled / No Risk Trial / $1.7+ Million Revenue Attribution)

Ready to boost your sales by up to 15%+ with Monster UPSELLCART!

A Slide Out Cart Drawer With Extremely Effective Upsell Campaigns.


"If you don't like devaluing products with salesy pop-up offers that can KILL conversion rates and want to increase your average order values ... MonsterUpells is for YOU!"

It's like putting your cart on steroids!

----- How does it work? -----

  1. Customize your cart
  2. Create Upsell Campaigns
  3. Launch ---> start selling more in minutes!

----- Monster Features -----


Set Goals For Your Customers To Achieve To Unlock Specific Rewards. (Add $X to Unlock = Free Shipping, 10% Off, $5 off) ​

BUY MORE SAVE MORE (Tiered Pricing)

A Tiered Discount System That Encourages Customers To Buy More Of A Product!​


A Tick box that adds a little extra $ to shopping carts (Priority processing, Gift Wrapping, Warranty)


Suggest no-brainer products within the cart that can be added with one simple click!​


Increase your conversions rates by by adding upsells and incentives that look amazing, at the right time of the buying process and removing unnecessary pop ups. ​


We built this cart for stores that not only care about making sales.. but also care about how their brand looks.


Gain quick insights into which campaigns are converting best and make informed decisions using data from our analytics dashboard.​


We have massive plans for this APP! This is just the beginning.

Start converting small add to cart clicks >> into BIG ORDERS!

Scroll up and click >> ADD APP

Latest releases:

  • Order Details Jan/10/2020
  • Shopify Multi-currency integration Nov/11/2020
  • Normal Shopify and advanced Draft checkout functionality Nov/11/2020

See the app in action

Explore how the app works in an example store.

View example store

Media gallery


Pricing 10-day free trial

See all pricing options


$14.99/month up to 200 transaction, $29.99/month up to 500 transactions, $49.99/month for unlimited transactions

  • Up to 50 transactions p/m

  • Add to unlock

  • One tick upsell

  • Buy more save more

  • Powerful analytics

  • All other features

* All charges are billed in USD. Recurring charges, including monthly or usage-based charges, are billed every 30 days.

5.0 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
    100% of ratings are 5 stars
  • 4 of 5 stars
    0% of ratings are 4 stars
  • 3 of 5 stars
    0% of ratings are 3 stars
  • 2 of 5 stars
    0% of ratings are 2 stars
  • 1 of 5 stars
    0% of ratings are 1 stars

Most recent reviews

A fantastic product, from day one we noticed the upsell...
The support from Yousef was fast and he solved my issue on the spot!
thumbs up from

Developer reply

January 11, 2021

Thankyou soooooo muchhhh for your kind words!!!! 🙏🙏🙏🙏🙏🙏



Amazing app, and crazy high conversion rate compared to any other alternative I tried in the past, I will be using it for a long time now!

Developer reply

December 5, 2020

WOW! Thank you so much for your kind words!!! 🙏 I just sent this review to the entire MonsterApps team! 🙌🏻❤️ Wishing you many many many more sales in the future!!!!


The customer service of this app is just amazing ! They responded to all of my questions, helped me by going on the code of my website and much more ! And all that with a respond time of less than 5 minutes. I love it :) And concerning the app itself, it is really good and I really enjoy how we can customize our cart and increase our AOV so easely and without annoying the client with popups. I just tried it one day for right now, but I really think it is going to be a game changer. Thank you very much MonsterUpsells :D

Developer reply

November 30, 2020

Thank you so much for your lovely words 🙏🙏 - it means a lot to us 🥰 ... Wishing you the BEST of luck and so many more sales to come with our monster 🙌🙌🙌...