34 Google reviews
Share your experience at KOI Thé Express (Jewel Basement) with other customers.
Write a reviewShowing 34 review samples from Google Maps.
Jasmine Teo
2 Air headed girls working on 27 March 2025 at Jewel KOI. I order so many times, first time cannot scan iChangi rewards after making payment. Still can laugh and lie. I guess I should forgive you given the fact u work here. I don’t expect you to be any smarter.
Ryu
The boba is as small as giant salamander eggs which is relatively small but it's chewy so 5 stars
Jon Tan
5 Star ⭐️ to Exceptional Service by Jerry on 30-Nov-2025 around 9pm. Jerry is an absolutely outstanding staff member. Not only handsome 🤣, friendly, …
Chang
Service was 'extremely' poor. We decided to order our usual drink over at this Jewel Koi Express outlet at 8.45pm today. However, upon ordering, we automatically took out our Koi card to make payment but the female staff stationed at the …
F Ng
This Koi outlet has the worst service I've ever experienced. The wait times are excessively long, and to make matters worse, my order was delivered incorrectly. The staff clearly struggles with taking orders efficiently.
valerie
Gaps in order system, failed to account for my order and order number. I went at off-peak 3.30pm, and only realised that I was given the wrong drink when i already left. I requested a refund, but the order number wasn’t unique and didn’t …
RACHEL
Worst customer service EVER. And it was all of them behind the counter. What kind of customer service is this?? I know their names but I shall not name and shame them but KOI please get people with better customer service especially when this is an airport thanks
Sahz Lee
Worst customer service. Specifically ordered for matcha drink with milk, end up with no milk.
yx
I just want the drinks put separately but the staff not patience for me.
MinGyeol Kim
I have always been purchasing drinks at koi, and this was my first time at Express. As always, I walked up and ordered peach oolong tea. To my surprise, they said …