How much to repair a cracked render?

Excuse me, I'm just wondering, how much would it cost to repair a cracked render? I've noticed a small crack in the wall of my property and I'm concerned it might worsen over time if left unattended. I've never had to deal with this kind of repair before, so I'm not quite sure how to estimate the cost. Could you please give me a rough idea of what it might cost to fix this crack? I'd appreciate any advice or information you could provide." As the questioner, I am seeking clarification on the potential cost of repairing a cracked render. I am expressing concern about the crack worsening and asking for a rough estimate of the repair cost. I am also indicating that I am unfamiliar with this type of repair and would appreciate any advice or information that could be provided.