tl;dr: don’t ever, ever convert your Krisflyer miles to KrisPay miles. EVER. Singapore Airlines introduced KrisPay yesterday, where Krisflyer members can use their miles to offset cash payments at a range of merchants in Singapore (lucky you, rest of the world). This is how the marketing email sells it: KrisPay is the new digital wallet that turns your KrisFlyer miles into instant purchases – right from your mobile phone, starting from as little as 15 miles. You can now use KrisPay for everyday spend such as your petrol purchases at selected Esso service stations^, M1, Challenger and many more participating merchants. How bad is it? It is… really bad. From the mechanism, to the conversion rate, to the redemption levels. Let’s look at them one by one. The mechanism First you will have to download the KrisPay app (I’ve downloaded it, so you don’t). The first bugger that annoyed the hell out of me was that the app can only be installed on iOS 11.0 or later. So if you are like me and detest updating …