Yes, there is a S$5 or equivalent withdrawal charge for each overseas ATM withdrawal. Please also note that additional charges may be applied by overseas banks, which will be typically displayed in ATMs before the withdrawal.
For the 10 currencies stored in your YouTrip app:
For ATM withdrawal in any of the 10 currencies that are stored in your multi-currency wallet (SGD, USD, EUR, GBP, JPY, HKD, AUD, NZD, CHF, and SEK), the withdrawal will be charged in the transaction currency, equivalent to $5 SGD using our wholesale exchange rate.
For all other supported foreign currencies:
Similar to any purchase transaction in other foreign currencies, ATM withdrawals and their corresponding withdrawal fees will be converted and deducted from your SGD wallet by default, followed by SmartExchange™ where applicable.