Restryde's answer

• React/Vite for the frontend, deployed on Vercel.

• Supabase (Postgres database, Edge Functions) for the backend.

• Stripe (Connect for merchant integration, plus Restryde’s own billing).

• Resend for transactional email.

• Anthropic’s Claude API for AI-generated recovery emails.

• Claude Code as the primary development tool throughout.

Rebounce.dev's answer:

Next.js, Stripe Connect, Node.js, and the Meta Business API for WhatsApp delivery.

Restryde's answer

Restryde is built specifically for small subscription businesses, not scaled-down enterprise software. It detects failed Stripe payments in real time and sends AI-personalised recovery emails tailored to the actual reason a payment failed, business voice, approach selection and overall tone selection, rather than one generic template. Has in built in AI Smart Retry Scheduling to detect which days give the highest chance of success. It’s also transparent about where the AI is and isn’t involved right now: the entry tier runs on solid templates with no AI at all, to keep it affordable, rather than dressing up something less capable as more advanced than it is.

Rebounce.dev's answer:

Rebounce is the only dunning tool with WhatsApp recovery. Email open rates for dunning sit at 20-30%. WhatsApp hits 90%+. When a payment fails, your customer actually sees the message. On top of that, Rebounce classifies each failure by decline code and applies a different recovery strategy for each, something generic retry tools don't do.

Restryde's answer

Most existing tools in this space are built and priced for companies already doing serious volume. Restryde is built for businesses just starting out, at a price point that makes sense for them. It also comes with a recovery guarantee, if it doesn’t recover at least double the subscription cost in the first month, that month is free, so the risk sits with Restryde, not the customer. Also since it’s solo-built, support means talking directly to the person who built it, not a ticket queue.

Rebounce.dev's answer:

Most dunning tools cost $99-$250/mo and are built for enterprise. Rebounce starts at $3.50/mo and includes: - smart retries - email dunning - SMS and WhatsApp recovery - cancellation flows - win-back campaigns - pre-dunning alerts - in-app payment banners.

Same coverage, fraction of the price, and the only one with WhatsApp as a recovery channel. Dodo Payments and Paddle integrations coming next. Other providers on the roadmap.

Restryde's answer

Small subscription and membership businesses running on Stripe, course creators, membership sites, solo SaaS founders, and subscription-box businesses in particular. Generally bootstrapped or early-stage operators who’ve been underserved by tools designed for much larger companies. Reach will expand from only Stripe over time, but Stripe was the starting point.

Rebounce.dev's answer:

SaaS founders running subscription businesses on Stripe, typically between $1k-$100k MRR, who are losing revenue to failed payments without realizing it.

Restryde's answer

I needed something I could build and run entirely remotely, on my own terms, for reasons that matter a lot to me personally. That circumstance shaped the whole approach: it had to be something I could realistically build solo, without a team or outside funding and something that could actually generate real income remotely but also give back to those who use it.

Restryde itself came out of research, while looking into Stripe for a separate idea, the same problem kept surfacing: subscription businesses losing revenue to failed payments, with existing tools built for companies already doing serious volume, not someone just starting out. That gave me a real problem worth solving.

Rebounce.dev's answer:

I noticed that most SaaS tools to recover failed payments were either too expensive for early-stage founders or too basic to actually work. And none of them used WhatsApp, which has 90%+ open rates compared to 20% for email. So I built Rebounce to fix that gap.