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Kalkulator.cz is a Czech comparison platform where consumers can compare prices for energy, insurance, mobile plans, internet, television, travel, and financial products such as loans and mortgages. The service is free to use and positions itself as an independent tool for finding the most competitive deals on the market.

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At a glance

About Kalkulator.cz

Main category
Price comparison and switching service
Cost to user
Always free
Products compared
Energy, insurance, mobile plans, internet, TV, loans, travel
Country
Czech Republic
Language
Czech
Contract monitoring
Yes, via the Vlk Kalkulátor watchdog feature
Revenue model
Partner commissions
Energy providers covered
ČEZ, innogy, E.ON, PRE, Pražská plynárenská, Centropol, MND and others
Kalkulator.cz targets everyday Czech consumers who want to reduce their monthly expenses without spending time researching dozens of providers themselves. The platform operates in the middle ground between a simple price aggregator and a personal savings assistant, offering features such as contract end-date monitoring and proactive alerts when a better deal becomes available. Its business model is funded by partner commissions rather than user fees, which means the comparison and advisory services carry no direct cost to the consumer. The platform covers a broad range of categories including electricity, gas, car insurance, property insurance, mobile tariffs, loans, and holiday bookings.
July 2026

Active promotions

Ready to use with your order at Kalkulator.cz.

Switch your energy provider through Kalkulator.cz and receive guidance through the full transfer process at no cost, including handling the paperwork on your behalf.
To the shop
Activate the free Vlk Kalkulátor watchdog to automatically monitor your contracts and receive a timely alert when a cheaper energy or insurance deal becomes available.
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Recent

Kalkulator.cz in the news

Recent updates and background about Kalkulator.cz, summarised in our own words.

Kalkulator.cz

Kalkulator.cz Expands Comparison Tools Beyond Energy

Originally focused on electricity and gas tariffs, Kalkulator.cz has broadened its platform to include mobile plans, internet subscriptions, travel, and financial products such as loans and mortgages. This expansion reflects growing consumer demand for a single tool covering multiple household expenses.

Kalkulator.cz

Automated Contract Monitoring Introduced for Czech Consumers

Kalkulator.cz offers a watchdog feature called Vlk Kalkulátor that continuously monitors market conditions and existing user contracts. The tool alerts users before unfavourable automatic renewals occur, allowing them to switch providers at the right moment.

Kalkulator.cz

Commission-Based Model Keeps Comparison Service Free for Users

Kalkulator.cz operates without charging consumers for its comparison or contract management services, instead generating revenue through commissions from listed partner companies. The platform states it uses independent data to ensure the offers presented are genuinely competitive.

Summaries by Image Review based on publicly available sources and our own editing. External links may contain affiliate links.

Frequently asked questions

What others ask about Kalkulator.cz

Answers to the most common questions, based on search behaviour and our own research.

Is Kalkulator.cz reliable and independent?

Kalkulator.cz states that it uses independent data to present the most competitive offers and that its priority is the consumer rather than commercial partners. The platform is funded through commissions paid by partners, not by users.

Does Kalkulator.cz cost anything to use?

No. According to the platform, all comparison tools and advisory services are completely free for consumers. Costs are covered by the partner companies whose products appear in the comparisons.

What can I compare on Kalkulator.cz?

The platform covers electricity and gas tariffs, car and property insurance, mobile and internet plans, television packages, personal loans, mortgages, and holiday bookings.

What is the Vlk Kalkulátor watchdog feature?

Vlk Kalkulátor is an automated monitoring tool that tracks a user's existing contracts and current market conditions. It sends a notification when a contract is approaching an unfavourable renewal or when a better offer becomes available.

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