The Rate Dropper — Upload a card statement; see what the same card volume costs across nine UK providers.
Card-fee comparison for UK businesses. Upload a card statement or answer four questions, and every fee line is read and compared across nine UK providers. Free for the business; the chosen provider pays.

The problem
Card statements bury the real cost across many fee lines, and businesses compare headline rates that hide minimums, terminal rental and authorisation charges.
What we built
Statement upload (PDF, photo or screenshot) feeding a pricing engine that reads every fee line, a four-question route for businesses without a statement, side-by-side comparison across providers, and advisor follow-up within one working day.
What it does today
Every fee line read and compared side by side, with a UK advisor's reply within one working day — free for the business, paid by the provider it chooses.
— Under the bonnet
What makes a product like this hard to build
- 01
Every statement is different
Each card provider lays out its statement differently, and businesses upload PDFs, photos and screenshots. The system has to read every fee line reliably from all of them.
- 02
Fees that hide
The headline rate is rarely the real cost. Authorisation fees, minimum charges, PCI fees and terminal rental all have to be found and turned into one effective rate.
- 03
Like-for-like comparison
Comparing nine providers means modelling each one's pricing against the same card volume and mix, so the comparison is fair rather than a list of headline rates.
- 04
Handing over to a human
An advisor follows up within one working day, so the lead, the extracted fees and the comparison have to reach the right person in a form they can act on.
— Estimated build cost
What a build like this costs
£85,000–£120,000
Statement-reading comparison service · indicative range for a comparable build
Sized from the codebase we built: 109k lines of production code, 5k lines of tests, 118 database tables, 122 API routes.
A product like The Rate Dropper is a bespoke build, not a template: most of the cost is in the hard parts above, plus testing against real data before anyone relies on it. Where your version lands in the range depends on the factors listed here. You get a fixed price once scope is agreed — usually after a short discovery sprint. Hosting and AI model usage are billed at cost on your own accounts.
Get an estimate for yoursWhat moves the price
- Number of statement formats and providers to support
- Accuracy needed on fee extraction
- How provider pricing is kept up to date
- Lead routing and CRM integration
- Compliance requirements for handling financial documents
Built with
- React
- TypeScript
- Express
- PostgreSQL
- Anthropic Claude
- OpenAI Agents
- Playwright
Designed, built and run by our Manchester team. Want something similar? See our AI development services, AI automation and pricing.



