In a short email sent out to subscribers, Red Otter which runs will wind down operations in Singapore MVNO business after operating for a few months.

Users who has the eSIM will have their service terminated by 25 Jan 2020.

All customers who purchased credits will be fully refunded.

It looks like the MVNO market is quite saturated. To date, oya is the second to leave the market. Another operator Zero SG or Zero Mobile has yet to relaunch.

We are now left with

4 MNO – Singtel, M1, Starhub, TPG
2 sub brands Gomo (Singtel) and Giga (Starhub)

7 MVNOs – Singtel MVNOs – Gridmobile, Zero1, ViViFi, ZeroMobile
Starhub MVNOs – RedOne, MyRepublic, VivoBee
M1 MVNO – Circles.Life, oya

* Italics = winding down or status unknown

Red Otter announced today the closure of its mobile data service OYA by the end of January. All customers will be refunded in full. 
 We are committed to conduct the wind-down in the best way possible, and will ensure all customer purchases are fully refunded directly to their Apple Pay/credit card within the next 8-10 Business Days. You will no longer be able to use your OYA data service by 25 January.This will be done automatically, so no action is required by you.The wind-down is based on a principal decision by owner Telenor Group, as part of a wider portfolio simplification.We have greatly appreciated having you as a customer and want to thank you for using our service.

By Harry