Rebuy Personalization Engine

I rarely leave negative reviews, but after our experience I feel other merchants should be aware of the risks.

A deployment made by Rebuy caused a critical issue on our Shopify store which prevented customers from accessing and using the cart. The issue effectively stopped customers from completing purchases and had a significant impact on our trading until it was identified and rolled back.

To Rebuy's credit, their support team eventually acknowledged that the issue was related to an update released from their side and subsequently reverted the change. However, the incident should never have happened in the first place, particularly given that Rebuy was not even responsible for our cart functionality.

What has been equally disappointing is the handling of the matter afterwards.

The outage escalated internally to Board level due to the commercial impact on our business, yet resolving the issue required repeated chasing, long delays between responses, and multiple escalations to senior management.

After weeks of discussions regarding compensation, Rebuy ultimately agreed to release us from our 36-month contract but offered no financial compensation for the disruption caused by an outage that they themselves acknowledged originated from a Rebuy deployment.

The platform itself may work well for some merchants, but our experience exposed a concerning level of operational risk. Any third-party app capable of interfering with core checkout journeys should be subject to extremely rigorous testing before updates are pushed live.

Based on our experience, I would urge merchants to carefully consider both the technical risks and the level of accountability they can expect if something goes wrong.

Clearly says "High converting post-purchase offers" as part of the free plan. The images/video for the app shows these post-purchase offers. Download the app and you can't actually put your OWN offers in the post-purchase journey... they're 3rd party adverts. So misleading. Uninstalled!

Doesn't respond and charges 2.5k+ usd for no reason.

I installed this app hoping it would improve my store, but it turned out to be a costly mistake. The setup is unnecessarily complicated and requires constant technical adjustments just to achieve basic functionality.

After spending hours customizing it with CSS, I ran into multiple bugs that caused my cart not to display correctly. The result: direct loss of conversions and sales. It’s unacceptable for a revenue-focused app to negatively impact revenue.

Support did respond, but none of their suggested “solutions” actually fixed the issue. I even switched themes to rule out compatibility problems, and the issue still persisted. The cart would work intermittently — completely unstable and unreliable.

For the price, the quality is extremely disappointing. The interface feels outdated, unintuitive, and far from professional. It does not meet the standards of a serious ecommerce business.

In short: this app cost me time, money, and lost sales opportunities. I absolutely do not recommend it. There are far better and more stable alternatives available.

Rebuy Engine - Deceptive Billing, Broken Agreements, and Merchant Exploitation: Avoid at All Costs

Fellow merchants: Steer clear of Rebuy Engine. Their tactics erode trust in the Shopify ecosystem and could cripple your operations. Don't let them exploit you. Full review will be up soon.

Had amazing support agents before, especially Jessica.

Now my cart is outdated because the way rebuy software was set up.

So i have tried setting it up but it has been a really jarring experience, only because of the support agents i have met.

I feel like the Rebuy team has not cared at all to help me update my cart, the design is already done and has been fully designed by rebuy before.

But they will not help me at all this time.

We had a very frustrating experience with Rebuy. As a business, Wild Oak Boutique invested $1,500 for their developers to perform custom work on our smart cart, in addition to their $999 monthly subscription. However, the code they implemented caused a major issue on our website that was isolated to Safari browsers. The bug created a loading issue that made our website appear frozen to customers, resulting in an estimated $25,000 in revenue loss before a third-party developer finally identified and fixed the problem.

Despite the obvious impact on our business, Rebuy refused to offer a refund for the custom work, citing the effort they put into it. For a service at this price point, we expected a much higher level of quality and accountability. Their unwillingness to take responsibility for the issue has left us feeling undervalued as a customer. They were only willing to offer a credit if we continued using them.

If you're considering Rebuy, proceed with extreme caution, especially if you're relying on their paid development services. We wouldn’t recommend them.

Fantastic app however not compatible with our wholesale pricing app. I also for some reason had access to someone elses store/rebuy login..i could literally make changes if i wanted.... A bit of a worry. They said they fixed it but i still had access.
Since uninstalling rebuy our cart function dosent work anymore and also have no acces to developer help to remove whatever code has been left behind (which i was told all code would be removed) please help, this is affecting my business

Its so frustrating.
I added the app and after looking at the help sections, I felt so overwhelmed by it all.
The cost was a shock too. 44.00$ for an app that allows me to build bundles.
No thanks!

the App broke my theme several times, when contact the support I was offered initial setup for 700$ something un acceptable. The App interface is heavily to understand and not intuitive at all. Overall BAD Experience and waist of time.