Don't let the marketing fool you — the DBS Chromo Card is a miles card in name only, and cardholders would be well advised to use it for cashback instead.
AMEX cardholders can now get a 15% bonus when converting MR points to Aeroplan points via Marriott Bonvoy, unlocking redemptions free of fuel surcharges
Visa Infinite cardmembers in Singapore can now enjoy a free 6-month ALL Accor+ Explorer trial membership with all the benefits (except Stay Plus) — just remember to opt out of auto-renewal!
HeyMax Miles Booster lets you earn an extra 5 MMpd on voucher purchases, for a 10% surcharge. But that's on the steep side, when cheaper options exist.