Banky team Reviewed editorial answerA promise is a stage before the final sale, while a Murabaha contract is what establishes the sale and the debt you owe.
Key points
For you as a citizen, the difference is important: don't assume that every document you sign means the bank has actually sold you the asset.
Ask the bank employee: Is this document a request and a promise, or a final sale contract?
And when did the sale price become a debt I owe?
The figures, fees and limits in this answer vary by bank and change over time — confirm them with your bank or the official source before acting.