battles / Checkout
FastSpring vs Skipify
FastSpring ($750/mo/mo, vibe code 3/10) vs Skipify ($500/mo/mo, vibe code 3/10). FastSpring is the easier one to rebuild yourself — here is what you lose either way.
Checkout
$750/mo/mo
- MVP
- 2 weeks
- Full replacement
- Never (Requires global tax entities, banking rails, legal indemnification)
easier to rebuild
get the build prompt →Checkout
$500/mo/mo
- MVP
- 1 week
- Full replacement
- Impossible to fully replicate due to proprietary bank partnerships and cross-merchant shopper networks.
price gap / year
$3,000/mo
running both / year
$15,000/mo
our call
Start with FastSpring — highest vibe code, weakest moat.
FastSpring
FastSpring is not just checkout software; it assumes legal and financial liability as the Merchant of Record. Rebuilding the checkout UI in React is trivial, but self-hosting global VAT/GST compliance, localized payment acquirers, and fraud liability requires massive legal infrastructure.
you can rebuild
- Embeddable checkout UI modal and hosted payment pages
- Basic subscription management and recurring billing webhooks
- License key generation and digital file fulfillment triggers
- Customer portal for invoice downloads and subscription cancellations
- Multi-currency storefront price conversion displays
what you lose
- Merchant of Record legal status and cross-border indirect tax liability assumption
- Automated VAT/GST calculation, collection, and filing across 200+ global jurisdictions
- Global payment gateway routing, localized payment methods (iDEAL, Pix, Alipay), and acquirer optimization
- Merchant-level chargeback and fraud liability protection
- Payer of record status handling international currency conversion payouts
real moats
- Global legal and tax registration network with local tax authority filings
- Underwritten acquiring bank relationships and payment processing infrastructure
- Financial liability indemnification for chargebacks, VAT audits, and sanctions checks
open source escape hatches
- Kill Bill Apache-2.0
- Lago AGPL-3.0
- Hyperswitch Apache-2.0
Skipify
Building an embedded checkout modal with saved tokens takes a weekend. Rebuilding Skipify requires negotiated partnerships with major card issuers like Amex and Synchrony, alongside a shared multi-merchant identity network you cannot clone with code.
you can rebuild
- Embedded express checkout UI modal
- SMS OTP verification flow for returning store buyers
- Saved shipping address selection and validation
- Integration with standard payment gateways (Stripe, Adyen)
- Order confirmation payload generation
what you lose
- Direct integrations with major card issuers (e.g., American Express, Synchrony)
- Cross-merchant identity network recognizing buyers who never visited your store before
- Zero-friction card token auto-hydration from bank databases
- PCI-DSS Level 1 compliant card vaulting infrastructure
- Issuer-level step-up authentication and risk scoring
real moats
- Direct partnerships and API integrations with credit card issuers and financial institutions
- Cross-merchant network effects across millions of identified shopper profiles
- PCI-DSS Level 1 regulatory compliance and tokenization vault
open source escape hatches
- Medusa MIT
- Solidus BSD-3-Clause
- ActiveMerchant MIT
Questions people ask
Which is easier to rebuild with AI, FastSpring or Skipify?
FastSpring. It scores 3/10 on vibe code with a moat of 5/10, so an AI-assisted MVP takes about 2 weeks and a full replacement about Never (Requires global tax entities, banking rails, legal indemnification).
Which one costs less, FastSpring or Skipify?
Skipify at $500/mo/mo for a typical mid-market store. The gap between the two is about $3,000/mo a year.
What do I lose if I replace FastSpring?
Merchant of Record legal status and cross-border indirect tax liability assumption Automated VAT/GST calculation, collection, and filing across 200+ global jurisdictions Global payment gateway routing, localized payment methods (iDEAL, Pix, Alipay), and acquirer optimization
What do I lose if I replace Skipify?
Direct integrations with major card issuers (e.g., American Express, Synchrony) Cross-merchant identity network recognizing buyers who never visited your store before Zero-friction card token auto-hydration from bank databases
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