ZeroCut offers flat-fee affiliate tracking using first-party cookies only

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ZeroCut is a Shopify affiliate tracking app that charges a fixed monthly fee of free, $19, or $39, with no commission taken on sales. Unlike percentage-based tools, it uses server-side attribution through three signals: a cart attribute, a Shopify discount code, and a landing page query parameter. The app relies solely on first-party cookies and localStorage, avoiding third-party cookies that modern browsers increasingly block. Commissions reverse automatically on cancellations or refunds, with proportional adjustments for partial refunds, though already-paid commissions are never rewritten. The developer acknowledges that for very small programmes, a percentage-based app's free tier may still be more cost-effective.

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