Hypokalkulačka.sk mortgage calculator open on a laptop, showing monthly payment, loan term and interest rate inputs

The mortgage calculator that starts a conversation.

1.000+

completed calculations per month

All-in-one

four calculators, one tool

Hypokalkulačka.sk mortgage calculator open on a laptop, showing monthly payment, loan term and interest rate inputs

The mortgage calculator that starts a conversation.

1.000+

completed calculations per month

All-in-one

four calculators, one tool

Hypokalkulačka.sk mortgage calculator open on a laptop, showing monthly payment, loan term and interest rate inputs

The mortgage calculator that starts a conversation.

1.000+

completed calculations per month

All-in-one

four calculators, one tool

Hypokalkulačka.sk mortgage calculator open on a laptop, showing monthly payment, loan term and interest rate inputs

The mortgage calculator that starts a conversation.

1.000+

completed calculations per month

All-in-one

four calculators, one tool

Hypokalkulačka.sk is a mortgage calculator built for an established Slovak financial advisory firm. It's precise enough to run on a client's exact figures, compare mortgages across banks, and hand the result straight to an advisor who can close it. We built it to be the bridge between a curious visitor and a real conversation.

Client

AGENT.SK, s.r.o.

Industry

Financial services / mortgage advisory

Scope of work

Product UX/UI design, full-stack development

Timeline

Discovery → design → development → launch

Role

Product strategy, UX design, full-stack development

01

Runs on your exact numbers

Feed it real, specific inputs instead of rough estimates. Precise in, precise out.

01

Runs on your exact numbers

Feed it real, specific inputs instead of rough estimates. Precise in, precise out.

02

Four calculators, one tool

Repayment, DTI/DSTI, refinancing, and rent vs. buy — every question in one place.

02

Four calculators, one tool

Repayment, DTI/DSTI, refinancing, and rent vs. buy — every question in one place.

03

Every bank, side by side

Compare offers across banks at a glance, with the details on each.

03

Every bank, side by side

Compare offers across banks at a glance, with the details on each.

04

Content they control themselves

A custom-built CMS lets the client's team update rates, banks, and pages on their own — no developer in the loop.

04

Content they control themselves

A custom-built CMS lets the client's team update rates, banks, and pages on their own — no developer in the loop.

05

Take the full plan with you

Export the full repayment schedule as a PDF, or send it straight to your inbox.

05

Take the full plan with you

Export the full repayment schedule as a PDF, or send it straight to your inbox.

06

A bridge to a real advisor

When the numbers click, one tap connects the visitor to a real advisor.

06

A bridge to a real advisor

When the numbers click, one tap connects the visitor to a real advisor.

Most people start a mortgage with a question, not an advisor. A calculator that answers it honestly — and in seconds — is often the first moment of trust, and the best chance to turn a quiet search into a real conversation.

Couple using Hypokalkulačka.sk at home as the calculator shows a €450 monthly mortgage payment
Hypokalkulačka.sk comparing refinancing mortgages from Prima banka, UniCredit and 365.bank side by side
Refinancing mortgage details on the Hypokalkulačka.sk mobile app — LTV, interest rate and monthly installment
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How we solved it
/
How we solved it

We started from the business goal, not the math: the client didn't need another calculator — they needed a tool that earns trust and hands over a warm lead. So we built a precise, robust calculator and wired it directly into their advisory pipeline.

Our approach included:

Our approach included:

Starting from the client's goal: qualified leads, not just a too

Mapping the real questions clients ask before a mortgage

Designing a fast, real-time calculation experience

Engineering for speed and a flawless feel on every device

Wiring the calculator into the client's advisory pipeline

Capabilities behind the product:

Capabilities behind the product:

A real-time, in-browser calculation engine

Performance optimization for fast loads everywhere

A responsive system tuned for mobile and desktop

An architecture built to scale with new tools

A clean handoff from calculator into the advisory flow

Client calling a financial advisor through Hypokalkulačka.sk after running his mortgage calculation
Client calling a financial advisor through Hypokalkulačka.sk after running his mortgage calculation
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What we delivered
/
What we delivered

We delivered a fast, precise mortgage calculator that turns everyday curiosity into qualified conversations for the advisory firm behind it.

What we built:

What we built:

A precise mortgage calculator that runs on a client's exact figures

A custom CMS the client's team runs on their own

Mortgage comparison across banks, with the detail on each

An exportable repayment schedule (PDF & email).

Impact:

Impact:

95+/100 Google PageSpeed score

11 banks compared in a single view

4 calculators covering every mortgage question

Real-time results — no calculate button, no waiting

DTI and DSTI calculator on Hypokalkulačka.sk showing a €300,000 maximum mortgage amount on mobile
Hypokalkulačka.sk directory of registered Slovak mortgage specialists that clients can contact directly

Diana S.

User's experience

“Hypokalkulačka pleasantly surprised me with its simplicity and speed. Everything is clear and intuitive, and within just a few minutes, I had a much better understanding of my financing options. It really helped me compare different offers and choose the mortgage that best suited my needs. I would definitely recommend it to anyone looking to buy a home.”

“Hypokalkulačka pleasantly surprised me with its simplicity and speed. Everything is clear and intuitive, and within just a few minutes, I had a much better understanding of my financing options. It really helped me compare different offers and choose the mortgage that best suited my needs. I would definitely recommend it to anyone looking to buy a home.”

“Hypokalkulačka pleasantly surprised me with its simplicity and speed. Everything is clear and intuitive, and within just a few minutes, I had a much better understanding of my financing options. It really helped me compare different offers and choose the mortgage that best suited my needs. I would definitely recommend it to anyone looking to buy a home.”

Happy couple after arranging their mortgage through Hypokalkulačka.sk
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Relevance beyond this project
/
Relevance beyond this project

This project demonstrates how a well-built calculator can turn everyday online curiosity into qualified leads for a business that sells expertise.

Relevant if you’re:

Relevant if you’re:

Running a financial, legal, or insurance advisory

Turning website traffic into qualified conversations

Building trust with clients before the first meeting

Guiding people through a complex, high-stakes decision

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No commitment. Just a focused discussion.

© 2026 Nextio s.r.o.

Let’s talk.

Tell us about your goals. We’ll help define the right digital product and next steps.

Quick response.

We usually respond within one business day.

Clear next steps.

After the consultation, we’ll provide you with a detailed plan and timeline.

No commitment. Just a focused discussion.

Let’s talk.

Tell us about your goals. We’ll help define the right digital product and next steps.

Quick response.

We usually respond within one business day.

Clear next steps.

After the consultation, we’ll provide you with a detailed plan and timeline.

No commitment. Just a focused discussion.

© 2026 Nextio s.r.o.

Let’s talk.

Tell us about your goals. We’ll help define the right digital product and next steps.

Quick response.

We usually respond within one business day.

Clear next steps.

After the consultation, we’ll provide you with a detailed plan and timeline.