In South Korea, people use forex broker comparison app -
https://www.independentinvestor.com/forex/brokers/south-korea/ as it helps traders to find good brokers very easily.
Here are a few extracts from there:
Examining the available spreads
Typically, forex brokers offer either fixed or adjustable spreads. Floating spreads are regarded as advantageous due to their tendency to be lower. However, when the forex market's liquidity is low, the broker may boost the spread more frequently. As a result, fixed spreads make more sense for many people. Brokers will ensure that the fixed spread will not grow regardless of market conditions.
The trading platform's dependability
Reliability is a critical factor to consider when hiring a forex broker. You must guarantee that the platform runs without glitches on your machine. Opening a demo account, if available for free, to evaluate the effectiveness of the platforms available will assist you in making a more informed decision.?