Cost of living in Mashhad (Iran) is 7% more expensive than in Almaty (Kazakhstan)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 726 prices entered by 57 different people.
For example, you would need at least 581,138 KZT (﷼ 68,722,998) in Mashhad to maintain the same standard of living that you can have with 545,000 KZT in Almaty.