PartnerStack vs Sprout Affiliate

PartnerStack is a partner relationship management platform for SaaS companies building or scaling partner programs. It supports affiliate, referral, co-sell and influencer relationships, with multiple programs managed side by side. Companies can promote programs to active partners and use partner discovery and invitations to recruit. Automated onboarding journeys, training and resources help partners get started. The platform tracks partner-sourced leads and reports revenue, rewards paid and lifecycle stages. It calculates commissions and pays partners through the platform, while the company receives a single invoice. PartnerStack connects with marketing, sales, account mapping and AI visibility tools, and provides an API for custom integrations. It is available on web and API, and includes a partner portal, automated payouts and fraud prevention. PartnerStack says accounts have no limit on partners or internal users. Pricing is paid and confirmed during a demo, based on program size, feature needs and support level; there is no free plan. All plans include guided onboarding and initial setup.

Sprout Affiliate is a Shopify-focused service for managing affiliate programs and tracking referral sales. Merchants can attribute sales through discount codes or referral links, set percentage or flat-amount commissions including tiers, and manage multiple stores, programs, affiliates, orders, payouts, and messages. Affiliates get a branded signup page and account for referral links, earnings, and discount codes. Suspicious orders are held for review rather than rejected automatically. Growth and higher plans support automatic PayPal payouts; Free payouts are manual. API access and signed webhooks cover affiliates, programs, orders, and payouts, and listed integrations include PayPal, Shopify, REST API, webhooks, and MCP AI assistant integration. Companion apps are available for iPhone and Android. The Free plan covers one program and up to 200 referral orders per month. Growth costs $9.99 a month plus 2% of referral sales; Professional is $49.99 a month plus 1.5%; Enterprise is $119.99 a month plus 1%. Paid Growth, Professional, and Enterprise plans include a 14-day free trial.