How we compare, including when we lose

Every page below ends with a paragraph explaining when the other one is the right answer. If that paragraph describes you, buy theirs — you will be happier, and we will not spend three months refunding you.

Prices checked September 2026.

Shopify’s enterprise plan

Onyx vs Shopify Plus

Shopify Plus unlocks checkout editing from around $2,300 a month. Onyx gives you the same page for $79 on any Shopify plan.

Them: $2300/mo · Us: $79/mo, 0%

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Branded Shopify checkout

Onyx vs CrispCheckout

CrispCheckout charges $99 a month plus 0.5% of every order. Onyx is $79 a month flat, with no percentage of your sales.

Them: $99/mo + 0.5% of revenue · Us: $79/mo, 0%

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Branded Shopify checkout

Onyx vs Lasso

Lasso charges $149 per store per month billed annually plus 1% per transaction. Onyx is $79 a month, flat, cancel any time.

Them: $149/mo + 1% of revenue · Us: $79/mo, 0%

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Branded Shopify checkout

Onyx vs WooshPayment

WooshPayment charges €99 a month. Onyx is $79 a month with the same flat, no-percentage model.

Them: $108/mo · Us: $79/mo, 0%

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Payment processor

Onyx vs Stripe

Stripe processes payments. Onyx replaces the Shopify checkout page. Here is how the two relate, and what each costs.

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Enterprise payment processor

Onyx vs Adyen

Adyen is an enterprise payment processor with contract pricing. Onyx is the checkout page itself, at $79 a month.

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Payment gateway

Onyx vs Authorize.net

Authorize.net is a payment gateway with a monthly fee and per-transaction pricing. Onyx is the checkout page, at $79 a month with no percentage.

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The pricing model itself

Onyx vs Percentage-based checkouts

Most Shopify checkout tools take 1–3% of everything you sell. Onyx charges $79 a month per store and takes nothing else.

Them: no flat fee + 2% of revenue · Us: $79/mo, 0%

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