battles / Subscriptions
Stay AI vs Subbly
Stay AI ($1,119/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
$1,119/mo/mo
- MVP
- 2-3 weeks
- Full replacement
- 3-6 months
Subscriptions
$69/mo/mo
- MVP
- 1-2 weeks
- Full replacement
- 2-3 months
easier to rebuild
get the build prompt →price gap / year
$12,600/mo
running both / year
$14,256/mo
our call
Start with Subbly — highest vibe code, weakest moat.
Stay AI
You can replace Stay AI's core subscription portal, skip/swap logic, and basic cancellation flows with an AI-generated app in a couple of weeks. However, matching their automated reinforcement-learning save flows, churn prediction models, and zero-touch migration services requires serious custom ML data engineering and ongoing operations.
you can rebuild
- Customizable drag-and-drop customer portal (swap, skip, pause, delay)
- Cancellation survey flows and retention save offers
- Bundles and build-your-own box UI
- Gamified digital punch cards and loyalty milestones
- One-click add-on upsells inside the customer portal
what you lose
- Proprietary reinforcement-learning models for dynamic retention save offers
- Turnkey white-glove migration team to transfer raw contract data from legacy platforms
- Dedicated human subscription growth strategist
- Pre-configured multi-channel integrations (Attentive, Postscript, Gorgias, Rebuy)
- Benchmarked retention analytics compared against industry-wide DTC cohorts
real moats
- Reinforcement learning models trained across hundreds of DTC subscription brands
- High-touch, human-led white-glove migration services and dedicated growth strategists
- Pre-built integrations with e-commerce stack tools (Attentive, Gorgias, Postscript, Klaviyo, Rebuy)
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, Stay AI 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, Stay AI or Subbly?
Subbly at $69/mo/mo for a typical mid-market store. The gap between the two is about $12,600/mo a year.
What do I lose if I replace Stay AI?
Proprietary reinforcement-learning models for dynamic retention save offers Turnkey white-glove migration team to transfer raw contract data from legacy platforms Dedicated human subscription growth strategist
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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