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Customer reviews: Upcart—Cart Drawer Cart Upsell

UpCart is a Shopify app designed to enhance cart functionality and boost conversions. This review covers its features, pros, cons, and real user feedback to help merchants decide if it’s the right fit for their store.

Reviews (646)

Overall rating
4.7

What Merchants Think

Merchants generally have positive feedback about "UpCart—Cart Drawer Cart Upsell", citing its effectiveness in increasing average order value (AOV) and conversion rates. Many users praise the app for its user-friendly design and seamless integration with Shopify. Additionally, the app's customer support is often highlighted for its promptness and effectiveness, though some users have expressed concerns about the app's pricing model and occasional technical issues.

Key Strengths

  • Exceptional customer support, often described as prompt and helpful.
  • Effectively increases conversion rates and average order value (AOV).
  • Easy to integrate and customize with existing Shopify themes.
  • Provides a wide range of upsell features and functionalities.
  • User-friendly interface and ease of setup.

Common Concerns

  • Issues with pricing model, including unexpected "usage fees".
  • Some technical bugs, such as synchronization issues and app freezing.
  • Customer support occasionally perceived as slow or unsatisfactory.
  • Leftover code on websites after uninstallation.
  • Lack of certain customization features for specific needs.

Final Thoughts

Overall, "UpCart—Cart Drawer Cart Upsell" is well-received for its ability to boost sales through enhanced cart functionalities. While its customer support is frequently praised, some users find the pricing structure concerning and have faced issues with bugs and customization. Despite these drawbacks, many merchants recommend the app for those looking to improve their upsell capabilities on Shopify.

HIKEASE

Sep 18, 2025  on Shopify

Very bad support, i have an issue with their cart since 6 days, still waiting for their technical support to even look at my issue. Only chat support asking me to wait until technical support is available, 6 days already i don't recommend this app at all.

Zorelie.co

Sep 13, 2025  on Shopify

I don't use the app but it still charges me monthly, please refund me

Firmpaw

Sep 03, 2025  on Shopify

The upsell function doesn't have the option to automatically display and apply the discount code.

Astra®

Sep 02, 2025  on Shopify

没有经过允许扣钱

Fabric by Missy Rose Pre-Order

Aug 06, 2025  on Shopify

When you delete this app it messes with the original set up of your cart and they aren't very helpful in fixing it because I guess your not a customer anymore.

Rooh Collective

Aug 06, 2025  on Shopify

We run a business ourselves, so we understand that things can go wrong — but what’s most concerning is when a company can’t even confirm the cause of an issue coming directly from their own app. We weren’t asking for new features or a project-based request — we were simply asking for urgent support to resolve a problem their app created. Unfortunately, the lack of ownership and the inability to provide answers made this process far more stressful and time-consuming than it needed to be. If your business relies on timely support and accountability, this may not be the right fit.

Zamage

Jul 14, 2025  on Shopify

The Cart does not send ATC data over to Klaviyo resulting in thousands of dollars in lost revenue. Still cant get any support from them to fix this issue.

Bio Healing Australia

Jul 03, 2025  on Shopify

they keep charging me and 3 months one extra sales came from the app not worthit

Revivroot

Jun 30, 2025  on Shopify

worst app ever, will ruin your cart and checkout system and leave messy code behind

MNRTMO

Jun 28, 2025  on Shopify

no free plan, cap

Novensa UK

Apr 02, 2025  on Shopify

I'd give 0 reviews if I could. Expensive, mediocre app with the worst customer service I've ever seen in the Shopify app store. I asked for support on a very simply issue, but it has not been solved after almost two weeks. When asking support to help me I always get a copy-paste answer that's totally useless. I'm going to look for a different app with good support. Definitely not recommended.

Glowssip

Mar 12, 2025  on Shopify

app stopped working , alot of glitches, free gifts not working, text all over the place. customer support does not exist. there is one agent switching between dozens of merchants. run away!

NAESIA Cosmetics

Mar 11, 2025  on Shopify

⭐ 1/5 - Disappointing Experience This app is full of bugs that never seem to get fixed. They promise improvements, but the same issues persist, making it frustrating to use. On top of that, the customer support is terrible – no real solutions. It feels like the developers don’t care about user feedback. Definitely not worth the hassle. Avoid it if you can!

Cronez

Feb 27, 2025  on Shopify

Horrible customer service. Mark made me wait 1 hour and he come up with an generic answer. This is the worst customer service ever. If you are planning to set this up same day stay away and look for another app. Also app didnt integrate with my theme and i cannot find anyone to help me with it.

LE PRATIQUE DU MOTARD

Feb 27, 2025  on Shopify

Extrêmement déçu par le support client et technique. Nous utilisons cette application depuis 8 mois et en avons largement dépendu. Jusqu’à présent, tout fonctionnait bien malgré quelques bugs techniques qui sont apparus au fil du temps. Cependant, l’équipe de l’application n’a jamais vraiment cherché à nous aider, et nous avons dû trouver des solutions par nous-mêmes. Depuis 4 jours, un problème majeur empêche l’affichage de nos images, du carrousel et de l’affichage mobile, en raison d’un conflit entre l’application et notre thème. Après avoir contacté les développeurs du thème, ils nous confirment que le souci vient de l’application et nous renvoient vers leur support. De leur côté, l’équipe de l’application rejette la responsabilité sur le thème, sans chercher à proposer la moindre solution. L’assistance est décevante et manque de professionnalisme. L’application est utile, mais lorsqu’un problème survient, il n’y a aucun accompagnement sérieux. Notre taux de conversion a été divisé par trois, et malgré cela, on nous répond simplement que l’application n’a pas changé. Certes, mais lorsqu’on paie pour un service, il est normal qu’il fonctionne ou, à défaut, que l’on nous apporte une solution concrète. Comme souvent sur Shopify, les thèmes et applications se multiplient pour engranger des profits, mais l’assistance technique est rarement à la hauteur. Ils sollicitent facilement des avis pour gonfler leur note, mais dès qu’un problème sérieux survient, peu d’entre eux se montrent réellement efficaces.

OdyBag

Dec 31, 2024  on Shopify

very bad app that is compatible with 0 apps never using this again.

CarPlayBox

Dec 13, 2024  on Shopify

very good and effective app overall, but incredibly POOR customer service. We are in the most important & lucrative season of the year, there is a small issue we are having with this app. but no concrete support in the past 15 days, this is very very disappointing. so I wouldn't recommend this app unless they improve their customer service!

ivory-sydney

Dec 09, 2024  on Shopify

I am extremely dissatisfied with the service. The team provided no individual assistance for coding or app adjustments, instead directing us to self-help articles. Despite configuring the app correctly for our market's currency, it displayed prices in USD instead of AUD, preventing us from making immediate sales. Unfortunately, the team lacks a development team and suggested we either code the fix ourselves or hire a professional. For a $30 app, this level of support is highly disappointing. Most Shopify apps priced above $12-$15 typically include developer support to resolve issues stemming from the app's programming. would recommend the app for that price!

The Poop Coffee

Dec 08, 2024  on Shopify

Doesn't work- Not a fan of apps that hold my customers ransom in such a way. 5 Days into my Selling Plan trial it disabled all purchases (not just upsells) demanding I get a Selling Plan despite being on the "free" trial for it.

Simple Germany

Nov 21, 2024  on Shopify

At first I was very excited to use this app -- it does what it promises! However, in the latest billing statement I got, I got 1 usage charge of 19 euros additional to my monthly subscription fee! When I reached out to them, their bot replied with: "The usage fee of 19 euros for UpCart on your Shopify store is likely based on your store's total order volume for the month. UpCart, like other AfterSell products, uses a pricing model that scales with your store's performance. The fee is determined by the number of orders your entire Shopify store generates in a month, not just the orders processed through UpCart. This means that as your store's order volume increases, the pricing may adjust accordingly." I'm sorry, but that is completely BS. Especially because out of the growth of my shop during that month, there was 1 upsell! So they're getting an extra cut of my profits just for being installed on my store. I don't find that fair at all.

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