In Subway Surfers Online, maximizing your coin collection is crucial for purchasing power-ups, upgrades, and unlocking various items. While there are no specific secret cheats or hacks for getting more coins, there are some strategies you can use to increase your coin collection:

Complete Daily Challenges: Daily challenges often offer coin rewards upon completion. Make sure to check and complete these challenges regularly to earn extra coins.
Watch Advertisements: Sometimes, watching video ads in the game can reward you with bonus coins. Take advantage of these opportunities to boost your coin collection.
Use Coin Doublers: Investing in coin doublers can effectively double the number of coins you collect during your runs, helping you accumulate coins faster.