battles / Subscriptions
Relo vs Subbly
Relo ($299/mo/mo, vibe code 6/10) vs Subbly ($69/mo/mo, vibe code 8/10). Subbly is the easier one to rebuild yourself — here is what you lose either way.
Subscriptions
$299/mo/mo
- MVP
- 1 week
- Full replacement
- 2-3 months, primarily to refine repurchase prediction math and build secure subscription upgrade links
Subscriptions
$69/mo/mo
- MVP
- 1-2 weeks
- Full replacement
- 2-3 months
easier to rebuild
get the build prompt →price gap / year
$2,760/mo
running both / year
$4,416/mo
our call
Start with Subbly — highest vibe code, weakest moat.
Relo
Relo is an order interval calculator that pushes custom properties to Klaviyo and creates tokenized checkout links. Building the statistical replenishment prediction algorithm and sending event payloads to your existing email platform takes minimal custom code.
you can rebuild
- SKU-level dynamic reorder interval prediction
- Automated Klaviyo and Attentive custom profile property sync
- Tokenized 1-click cart pre-fill link generation
- One-time purchase to subscription upgrade links
- Replenishment conversion reporting dashboard
what you lose
- Pre-packaged Klaviyo email and SMS flow templates
- Cross-merchant benchmark data for default repurchase intervals
- Turnkey integrations with major Shopify subscription apps (Recharge, Skio, Loop)
- Hosted dynamic reorder portal widgets
- Automated cross-sell SKU recommendation engine
real moats
- Out-of-the-box integration matrix connecting Shopify, subscription apps, and Klaviyo
- Aggregated historical repurchase timing datasets across millions of DTC orders
- Frictionless checkout link routing infrastructure
open source escape hatches
- Medusa MIT
- Activepieces MIT
- PostHog MIT
Subbly
Subbly combines a simple website builder with a subscription management layer. If you already have a website or write code, you can build the entire subscription backend and customer portal in a couple of weeks using Next.js and Stripe Billing.
you can rebuild
- Subscriber management dashboard (pause, skip, cancel, swap).
- Automated dunning and failed payment recovery emails.
- Cancellation flows with automated retention counter-offers.
- Recurring billing logic and cycle execution.
- Embeddable subscription checkout widgets.
what you lose
- The built-in drag-and-drop website builder.
- Done-for-you concierge migration team for importing old customer tokens.
- Out-of-the-box non-technical user interface for non-developer team members.
- Pre-configured integration ecosystem with third-party app stores.
real moats
- Free concierge data migration services for non-technical operators moving off platforms like Cratejoy or Recharge.
- All-in-one ecosystem bundling builder, checkout, CRM, and automation for non-engineers.
Questions people ask
Which is easier to rebuild with AI, Relo or Subbly?
Subbly. It scores 8/10 on vibe code with a moat of 3/10, so an AI-assisted MVP takes about 1-2 weeks and a full replacement about 2-3 months.
Which one costs less, Relo or Subbly?
Subbly at $69/mo/mo for a typical mid-market store. The gap between the two is about $2,760/mo a year.
What do I lose if I replace Relo?
Pre-packaged Klaviyo email and SMS flow templates Cross-merchant benchmark data for default repurchase intervals Turnkey integrations with major Shopify subscription apps (Recharge, Skio, Loop)
What do I lose if I replace Subbly?
The built-in drag-and-drop website builder. Done-for-you concierge migration team for importing old customer tokens. Out-of-the-box non-technical user interface for non-developer team members.
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