Compare the price you actually paid with the deductions a business uses. See the gap between an illustrative calculation and the refund offered — then ask better questions.
30 sessions, 8 used, 10% assumed fee · not a legal entitlement
Start with an example. Adjust the amounts to explore how cancellation fees and unit prices change the outcome. This is a mathematical illustration, not a legal entitlement checker.
A positive gap is not an amount you are necessarily entitled to recover. Compare the contract, applicable law, and source evidence.
Our source-backed examples currently focus on South Korea. Other categories are informational checklists.
Why paid prices and advertised list prices lead to different refund estimates.
Read the guide ↗Check time used, list rates, and cancellation assumptions.
Read the guide ↗Know what terms and documents matter before requesting a refund.
Read the guide ↗Understand the difference between a return and a defect complaint.
Read the guide ↗For Korean dispute examples, read the Korea Consumer Agency and Consumer24. This tool does not determine refunds under other countries’ laws.
Korea Consumer Agency · 한국소비자원 ↗Consumer24 · 소비자24 ↗