Spark's 14-day option is NZ$30. A Slashtel eSIM with at least 2GB for the same trip is NZ$6.17. Keep your Spark number for calls and texts.
See Malaysia eSIM plans →Spark's 14-day Roaming Pack option costs NZ$30 (2GB of data, 300 minutes and 300 SMS). A Slashtel data eSIM for Malaysia with at least 2GB for 15 days costs $3.49, about NZ$6.17, so NZ$23.83 less. The eSIM is data only: keep your New Zealand SIM in the phone for calls and texts. Spark prices checked on spark.co.nz on 28 September 2026.
| Spark | Includes | Slashtel eSIM (same days or more) | Difference |
|---|---|---|---|
| NZ$30 · 14 days | 2GB, 300 min, 300 SMS | 3GB, 15 days: $3.49 (≈NZ$6.17) | NZ$23.83 less |
| NZ$25 · 14 days | 2GB | 3GB, 15 days: $3.49 (≈NZ$6.17) | NZ$18.83 less |
Spark prices from spark.co.nz, checked 28 September 2026; Spark's options include calls as well as data. Where Spark charges by the day, we compare an eSIM with at least 1GB a day. Slashtel prices are live, in US dollars, converted at 1.77 per $1 (daily reference rate); your card is charged in your own currency at checkout. Spark is a trademark of Spark New Zealand. Slashtel is not affiliated with Spark.
For data, the eSIM. Spark's 14-day option is NZ$30; a Slashtel eSIM with 3GB for 15 days is $3.49 (about NZ$6.17). Spark's option also includes calls, which the eSIM does not.
Yes. The eSIM is added alongside your Spark SIM, so your number stays in the phone for calls and texts such as bank codes. Set the eSIM as the line for mobile data and turn data roaming off on the Spark line. Whether Spark charges for anything you receive abroad depends on your plan, so check with Spark before you travel.
No. It is data only, with no phone number. You can call on WhatsApp, FaceTime or similar apps over the eSIM data.
Most iPhones from the XS onwards, Google Pixel 3 and later, and recent Samsung Galaxy S, Z and A models, provided the phone is not carrier-locked. Check under Settings for an option to add an eSIM.
Install it at home before you fly, while you have Wi-Fi, and switch mobile data to it when you land.