Kogan Mobile Big Monthly Prepay

Name: Kogan Mobile Big Monthly Prepay
Brand: Kogan Mobile
Price: 28.00 NZD
Availability: InStock

PrepayOne NZ network5G

Best for: Moderate data

Plan details

Plan type	Prepay
Price	$28 per month
Data	5GB/mo
Data details	Data added on the same date each calendar month; data stops when exhausted until next allocation or a data pack is bought.
Data rollover	Unused data expires at next renewal/block.
NZ calls	Unlimited
NZ texts	Unlimited
Calls to Australia	Yes
Roaming	Not included; roaming add-on required
Contract	No fixed term
Network	One NZ network
5G	Yes
eSIM	No
Hotspot / tethering	Not stated

Last checked 12 October 2026. See it on Kogan Mobile’s website

How it compares

At $28 a month, it costs less than 75% of the 111 plans we compare.
Of the 15 plans with similar data (4GB to 6GB a month), it's number 3 on price. They range from $25 to $50 a month.
That works out at $5.60 per GB, about the same as the typical plan ($5.65 per GB).
Over a year that's $336.
Need more? Kogan Mobile's Bigger Monthly Prepay gives 15GB/mo for $12 more a month.
Need less? Standard Monthly Prepay has 2GB/mo and saves $11 a month.

Who it suits

Everyday users: streaming music, social and some video
Anyone who wants no bill, no credit check and the freedom to stop any time

SmartScore

7.1/10

4.8 value + 2.3 features = 7.1 out of 10

Value for money

4.8 / 6

This plan works out at $28.00 a month. The cheapest plan with at least as much data (about 5GB a month) is Mighty Mobile Starter Plan at $25.00. This plan costs 12% more, so it loses 1.2 points (1 for every 10%).

Features

2.3 / 4

Unlimited NZ calls: Yes+0.8
Data rollover · No: No0 of 0.7
No fixed term: Yes+0.6
5G access: Yes+0.6
eSIM support · No: No0 of 0.5
Hotspot/tethering allowed · Not stated: Not stated0 of 0.5
Calls to Australia included: Yes+0.3

Unlimited plans at 10Mbps or faster count as more data than any allowance. Plans you pay a year upfront are only compared with each other, and no plan is compared with one that needs another service. Commissions never affect scores. How the SmartScore works

💡 Save money: Mighty Mobile Starter Plan gives you 5GB/mo for $25.00 a month. That’s $36 a year less than this plan.