Is there a better miles card than AMEX Krisflyer that will account for all spend?

There is, genreal spending cards such as DBS altitude is better. The only ebenfit of AMEX krisflyer cards are its sign up promotion and upsized bonus miles for first $200 grab transaction

It depends on your spending habit. For instance,

For online spending, consider Citi Rewards @ 4 miles per dollar, capped at $1k monthly.

For shopping and entertainment, consider OCBC 90°N CARD @ 4 miles per dollar.

Therefore, we will be able to give you a better answer with more details from you. =)

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