PayKickstart vs Subi Subscriptions

PayKickstart combines checkout, subscription billing and affiliate management for businesses selling digital or physical products. Checkout can use customizable templates, embedded widgets, pop-up modals or custom API flows, with checkout and email translation in 25 languages. The platform says it accepts payments in 135+ currencies through online and offline methods. Subscription tools cover pricing models, trial management, billing adjustments, a self-service billing portal and lifecycle automation; revenue recovery features include dunning, reminders and cancellation-retention flows. Affiliate tools track sales and leads, including first- and second-tier referrals, and support commission payouts, promotional materials and W9/W8 collection. The integrations page lists over 60 native apps, plus Zapier and Integrately connections to over 3,000 business applications. PayKickstart lists web, API, iOS and Android access; its mobile app supports payment acceptance, transaction and subscription management, campaign metrics and affiliate management. Starter is $99 a month, Growth is $199 a month and Scale is $299 a month. A 14-day trial is offered; there is no free plan.

Subi Subscriptions is a Shopify app for recurring commerce, bringing subscriptions, memberships, bundles, subscription boxes, and loyalty programs together. Merchants can set subscription discounts, billing and shipping intervals, and prepaid or pay-as-you-go plans. Memberships can include tiers, gated content, perks, member-only discounts, and free trials. Bundle options include fixed bundles, build-a-box, and mystery boxes, with inventory syncing for bundle products. Subscribers can manage plans, payments, and addresses in a self-service portal, including skipping, pausing, swapping, or cancelling. Payment recovery includes decline-aware retries, dunning emails, and one-click card updates. Listed integrations include Klaviyo, Shopify Flow, Mailchimp, Attentive, Postscript, Triple Whale, and ReferralCandy. A free plan is available for development stores. Paid plans start at $29/mo; Starter lists a 1.6% charge per subscription transaction. Paid plans include a 7-day trial. Support varies by plan, from live chat and email on Starter to priority support and a dedicated customer success manager on Subi Plus.