battles / Subscriptions
Ongoing Subscriptions vs PayWhirl
Ongoing Subscriptions ($29/mo/mo, vibe code 7/10) vs PayWhirl ($149/mo/mo, vibe code 6/10). Ongoing Subscriptions is the easier one to rebuild yourself — here is what you lose either way.
Subscriptions
$29/mo/mo
- MVP
- 1 week
- Full replacement
- 1-2 months, due to Shopify Subscription API edge cases, app proxy integration, and payment retry logic
easier to rebuild
get the build prompt →Subscriptions
$149/mo/mo
- MVP
- 1-2 weeks
- Full replacement
- 3-6 months, due to complex dunning edge cases, gateway tokenization, and Shopify Selling Plans API maintenance
price gap / year
$1,440/mo
running both / year
$2,136/mo
our call
Start with Ongoing Subscriptions — highest vibe code, weakest moat.
Ongoing Subscriptions
Shopify handles payment vaulting and card processing natively through its Subscription Contracts API. Ongoing Subscriptions provides an admin dashboard, discount configurations, and an embedded customer portal. Rebuilding a custom in-house subscription controller for a single store with Claude/Cursor requires executing standard webhooks and GraphQL mutations.
you can rebuild
- Selling plan creation and product tier configuration
- Customer portal for order pausing, skipping, and cancelling via App Proxy
- Automated recurring order triggers via Shopify GraphQL Subscription API
- Custom recurring discount rules (e.g., 10% off recurring items)
- Subscriber transactional notification emails via Klaviyo or Resend
what you lose
- Turnkey setup with zero infrastructure to host or maintain
- Out-of-the-box Theme App Extensions for complex custom themes
- Pre-built edge-case handling for Shopify API version upgrades
- Pre-configured dunning schedules and automated credit card update prompts
- One-click migration scripts from Recharge, Bold, or Seal
real moats
- Deep native integration with Shopify Payments card vaulting
- Zero-maintenance infrastructure and API compliance upkeep
- Pre-configured compliance workflows for state auto-renewal laws
open source escape hatches
- Kill Bill Apache-2.0
- Cavaon Subscription Engine MIT
- Payum MIT
PayWhirl
If running a custom application using Stripe, PayWhirl is redundant because Stripe Billing handles subscriptions natively. If running on Shopify, PayWhirl provides turnkey integration with Shopify's Subscription Contracts API, which requires significant plumbing to recreate safely.
you can rebuild
- Customer portal for skipping, pausing, or canceling subscriptions
- Recurring billing schedule generator
- Product swap and frequency adjustment UI
- Transactional payment reminder emails
- Order generation on successful payment cycles
what you lose
- Zero-code setup for non-technical store managers
- Turnkey alignment with Shopify's native Selling Plans API
- Multi-gateway fallback and vaulting infrastructure
- Pre-built PCI-compliant payment widget embeds
- Out-of-the-box dunning workflow configuration and retry logic
real moats
- Deep platform API integration maintenance (e.g. Shopify GraphQL changes)
- Payment gateway vaulting abstraction
- Turnkey compliance with customer-facing subscription governance regulations
open source escape hatches
- Lago AGPL-3.0
- Kill Bill Apache-2.0
- Stripe Billing + Custom Portal MIT
Questions people ask
Which is easier to rebuild with AI, Ongoing Subscriptions or PayWhirl?
Ongoing Subscriptions. It scores 7/10 on vibe code with a moat of 3/10, so an AI-assisted MVP takes about 1 week and a full replacement about 1-2 months, due to Shopify Subscription API edge cases, app proxy integration, and payment retry logic.
Which one costs less, Ongoing Subscriptions or PayWhirl?
Ongoing Subscriptions at $29/mo/mo for a typical mid-market store. The gap between the two is about $1,440/mo a year.
What do I lose if I replace Ongoing Subscriptions?
Turnkey setup with zero infrastructure to host or maintain Out-of-the-box Theme App Extensions for complex custom themes Pre-built edge-case handling for Shopify API version upgrades
What do I lose if I replace PayWhirl?
Zero-code setup for non-technical store managers Turnkey alignment with Shopify's native Selling Plans API Multi-gateway fallback and vaulting infrastructure
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