PayKickstart vs PayWhirl

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.

PayWhirl provides subscription billing software for memberships, payment plans, recurring invoices, and recurring subscriptions. It also supports installments, retainers, pre-orders, donations, manual subscriptions, and one-time payments. For recurring billing, it automates scheduled charges, invoices, emails, retries, and dunning. Customers can manage payment methods, billing details, and subscription changes in a self-service portal, subject to merchant settings. Reporting covers MRR and ARR, customer lifetime value, churn, payment calendars, geographic reporting, and growth forecasting. Merchants can connect through embeddable widgets, hosted payment links, API access, webhooks, or custom scripts. Listed integrations include Shopify, BigCommerce, Squarespace, Wix, Stripe, Square, PayPal, Authorize.Net, Braintree, ShipStation, Mailchimp, Google Analytics, and Zapier. PayWhirl says it supports over 10 gateways and major cards in more than 100 currencies, depending on gateway capabilities. Plans include free options and paid plans from $9 a month; a 14-day free trial is available for paid plans. Transaction fees are additional to payment gateway or processor fees.