Money-back guarantee instead of payment message in cart: +16.1%
Test run byVisuallyTesting and CRO tool
Commentary byLiftArchiveOur analysis, not theirsReplacing a flexible-payment message with a '30-day money-back guarantee' message below the cart button lifted Supergut's conversion rate by 16.1%.
Visually ran this test with Supergut, a gut health supplement brand, and published it as a Visually case study.
Only the message changed; its spot in the cart stayed the same.
- Conversion rate: +16.1% with the money-back guarantee message.
- This was a swap, not an addition, so the guarantee beat the payment message head to head.
- Sample size, duration and confidence level were not shared.
The change
Payment message below the cart button replaced with a guarantee
Simplified mockup drawn by LiftArchive from the shared screenshots.
Control
Below the cart checkout button, a message promoted flexible payment options.
Variant
The same spot showed a '30-day money-back guarantee' message instead.
Why it likely won
Our reading of the result, not the practitioner's claim.
- For a supplement, the main worry is whether it will work. A guarantee speaks to that risk directly.
- Supergut's order values may be low enough that paying in installments matters less to shoppers.
- The message sits right at the checkout button, the point where doubts stop a purchase.
Caveats: Visually reported this result in its own marketing case study. Sample size, test length and statistical confidence were not shared.
Who ran it
Visually ran this test for Supergut and published the results (Visually case study). The numbers are theirs; the summary and commentary on this page are ours.
Read the original case study on Visually →
How to run this test on your store
- Hypothesis
- If we show a money-back guarantee below the cart checkout button instead of a payment message, then conversion rate will rise because it removes the risk of trying the product.
- Primary metric
- Conversion rate
- Guardrails
- Refund rate
- Checkout start rate
- Average order value
- Who should test it
- Stores with a real guarantee and products where buyers doubt the results, such as supplements. It may not win for high-ticket items where payment plans matter more.
Questions
Does a money-back guarantee increase conversions?
It can. Supergut saw a 16.1% conversion lift when a 30-day money-back guarantee replaced a payment message in the cart.
Where should I show a money-back guarantee?
Near the button where the buying decision happens is a good place to test.
Supergut placed it directly below the cart checkout button.
Should I show payment options or a guarantee in the cart?
It depends on what holds your buyers back.
Price-sensitive, high-ticket stores may gain more from payment options, so test both.
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