A customer logs in less.
They were a daily user. Now it's every other day. Then weekly. Most tools don't see this because most tools don't look at it.
Case study · product
Ebb.
Customers don't churn — they ebb.
Ebb is a churn-prevention product for Stripe-powered subscription businesses. It connects to Stripe with read-only access, updates customer-risk scores daily, and sends a weekly retention digest. Most churn tools tell you after a customer cancels. Ebb combines payment health with customer-behaviour signals to show who may be drifting, why, and what to do next.
Ebb is a Stripe-connected churn prevention product that helps subscription businesses identify customer risk and decide where to act. This page is a case study of how TaskDriver.ai designed and built it, end to end.
TaskDriver.ai is an AI automation and web studio in Auckland, New Zealand. We build workflow automation, chatbots, CRM integrations and websites for small and mid-sized businesses across New Zealand and Australia — fixed scope, no retainers.
The problem
By the time they cancel, they already left.
Reactive churn tools detect cancellations after they happen. By then, the customer made the decision weeks ago — you're just reading the timestamp. The save-window has closed.
They stop using the sticky feature.
The one workflow they used every Monday — gone for three weeks. Their last support ticket reads a little tense. Card expires next month.
They cancel. You get an email.
Your reactive churn tool fires off a slick exit survey. They tick “not the right fit” and never reply. The MRR's already gone.
Ebb watches the boring middle — the days nobody else looks at — and tells you which customers are quietly drifting away while there's still time to do something about it.
How it works
Three steps. Ten minutes.
No SDK. No engineering project. Connect Stripe and Ebb starts watching.
Step 1read-only
Connect Stripe.
OAuth in two clicks. Ebb reads subscription, invoice, and customer data — never charges, never writes.
Step 2every 24h
Ebb watches the signals.
Login frequency, feature usage, support sentiment, payment health, plan changes. Scored and updated daily.
Step 3Mon · 08:00
Weekly digest lands.
Mondays at 8am: who's drifting, why, and the one move most likely to bring them back. Three minutes to read.
Inside the Ebb dashboard
The Ebb dashboard answers three practical retention questions.
Built for founders and retention operators at Stripe-powered subscription businesses, the Ebb dashboard summarises payment health and customer-behaviour signals. It helps them see who is drifting, understand why the risk changed, and decide what to consider doing next.
Daily scoring
Who is drifting.
Ebb updates customer risk scores every 24 hours so operators can focus on accounts that may need attention.
Five signal groups
Why the risk changed.
The scoring model combines login frequency, feature usage, support sentiment, payment health, and plan changes.
Weekly digest
What to do next.
The Monday digest explains who is drifting, why, and the next retention move to consider for each customer.
Ebb is one example of TaskDriver's workflow automation work, built around a specific operator decision rather than generic reporting.
The build
Built end-to-end at TaskDriver.
Six weeks from whiteboard to live product. Strategy, product design, Stripe integration, scoring model, digest email system, and the marketing site. The build combines workflow automation with our website design and development work, now live at ebb.nz.
TaskDriver.aiShipped by the TaskDriver studio- 01Stripe OAuth + read-only API integration
- 02Behavioural scoring model — login, feature, sentiment, payment, plan
- 03Weekly digest email engine + operator playbook library
- 04Product marketing site at ebb.nz
- 05Founder-led onboarding — no engineering required
- 06Postgres + serverless daily worker on Vercel
Got a product in your head that needs building?
We build SaaS products for operators — end-to-end, shipped fast, no agency fluff. Same crew that built Ebb.
Want the same build? Here is how it works
The answers people ask for before they book — cost, timeline, ownership, and what happens when something breaks.
- What does it cost?
- Fixed scope, quoted in writing before anything starts. An ops teardown is $250 AUD (45-minute call plus a written automation plan, credited toward any build). A one-week automation sprint is $990 AUD. Larger systems usually land between $2k–$4k AUD. No retainers, no hourly billing.
- How long does it take from first contact to go-live?
- A teardown call is usually booked within a few days. A sprint is one week end to end. Chatbots typically go live in 1–2 weeks; larger workflow systems in 4–8 weeks. You get dated milestones in writing before work starts.
- What happens after launch — do you keep running it, or do I take over?
- You own it. Everything runs in your accounts, on your keys, and we hand over the code, the docs and the logins at the end of the build. Nothing is locked to us.
- If something breaks or needs a tweak, how is that handled and at what cost?
- Anything we built that breaks is fixed free for 30 days after handover. After that, fixes are quoted per job or covered by an optional monthly care plan — your choice, and never a condition of the build. New scope is quoted as a new fixed-scope sprint.
- How much of my time does this take?
- About two hours in total: one 45-minute call, giving us access to the tools involved, and one review round before go-live. We do the rest.
- What proof do you have that this works?
- Named, checkable builds rather than anonymous case studies: Ebb (Stripe revenue recovery), Australian Power (WhatsApp quote automation), Second to None (painting and renovation ops), Invest With Alison (financial-education funnel) and an AI tools directory. Each one is written up on this site with what was built and what changed.
Who built this
Robert Iuoras
Founder & lead architect
Scopes, designs and ships every TaskDriver build — the person on your first call is the person writing the code. No account managers, no handoffs between strategy and delivery.
- Built Ebb, a Stripe revenue-recovery product, end to end
- Shipped WhatsApp quote automation for Australian Power
- Delivered ops automation and web for Second to None and Invest With Alison