One NZ vs Kogan Mobile
Kogan Mobile wins 2 of 3 usage types on value. One NZ has the cheaper entry-level plan. Kogan Mobile has the highest-scoring plan for value and features. Both use the One NZ network, so coverage is similar.
Prices checked 12 October 2026
| Feature | One NZ | Kogan Mobile |
|---|---|---|
| Network | One NZ | One NZ |
| Plans listed | 11 | 7 |
| Cheapest plan (per month) | $10.00 | $17.00 |
| Cheapest unlimited | $88.00 | None |
| Best SmartScore | 7.4 | 8.3 |
| Prepay plans | Yes | Yes |
| Pay monthly plans | Yes | No |
| eSIM | Yes | No |
| 5G | Yes | Yes |
| WiFi calling | Yes | – |
Which should you choose?
Light use
Under 5GB: messaging, maps, a bit of social
- One NZ
- Rollover Large3GB/mo · $30/mo · 7.4/10
- Kogan MobileBetter value
- Standard Monthly Prepay2GB/mo · $17/mo · 7.7/10
Kogan Mobile's Standard Monthly Prepay (2GB/mo, $17/mo) costs less than One NZ's Rollover Large (3GB/mo, $30/mo) and scores higher.
Everyday use
5GB to 40GB: streaming music, social and some video
- One NZ
- Endless Starter6GB/mo + endless · $50/mo · 6.1/10
- Kogan MobileBetter value
- Bigger Monthly Prepay15GB/mo · $40/mo · 8.3/10
Kogan Mobile's Bigger Monthly Prepay (15GB/mo, $40/mo) costs less than One NZ's Endless Starter (6GB/mo + endless, $50/mo) and scores higher.
Heavy use
40GB+ or unlimited: lots of video, hotspotting
- One NZBetter value
- Unlimited PrepayUnlimited · $88/mo · 6.4/10
- Kogan Mobile
- Biggest Monthly Prepay60GB/mo · $60/mo · 3.3/10
One NZ's Unlimited Prepay (Unlimited, $88/mo) costs more than Kogan Mobile's Biggest Monthly Prepay (60GB/mo, $60/mo), but scores higher (6.4 vs 3.3) for what you get.
Choose One NZ if…
- You want the better plan for heavy use
- You want the cheapest way in (from $10/mo)
- You prefer a monthly bill
- You want unused data to roll over
- You want data that slows down instead of running out
- You need eSIM
Choose Kogan Mobile if…
- You want the better plan for light and everyday use
- You want to pay once for the whole year
Every One NZ and Kogan Mobile plan
| Plan | Calls | ? | ? | Actions | |
|---|---|---|---|---|---|
Kogan MobileBig 365 Day Prepay | 50GB/year≈ 4.2GB/mo | Unlimited | $20.83/moPaid as $250 once a year | 8.3/10 | View deal |
Kogan MobileBigger 365 Day Prepay | 150GB/year≈ 13GB/mo | Unlimited | $33.33/moPaid as $400 once a year | 8.3/10 | View deal |
Kogan MobileBigger Monthly Prepay | 15GB/mo | Unlimited | $40/moPaid monthly | 8.3/10 | View deal |
Kogan MobileStandard Monthly Prepay | 2GB/mo | Unlimited | $17/moPaid monthly | 7.7/10 | View deal |
One NZRollover Large | 3GB/moRollover | Unlimited | $30/moPaid monthly | 7.4/10 | View deal |
One NZRollover Small | 1GB/moRollover | Unlimited | $18/moPaid monthly | 7.3/10 | View deal |
Kogan MobileBig Monthly Prepay | 5GB/mo | Unlimited | $28/moPaid monthly | 7.1/10 | View deal |
One NZStarter Prepay | 250MB/mo | 100 mins | $10/moPaid monthly | 7.0/10 | View deal |
One NZUnlimited Prepay | Unlimited | Unlimited | $88/moPaid monthly | 6.4/10 | View deal |
One NZOne Plan | Unlimited | Unlimited | $88/moPaid monthly | 6.4/10 | View deal |
One NZEndless Starter | 6GB/mo + endless | Unlimited | $50/moPaid monthly | 6.1/10 | View deal |
One NZEndless Starter | 6GB/mo + endless | Unlimited | $50/moPaid monthly | 6.1/10 | View deal |
One NZRollover Medium | 2GB/moRollover | Unlimited | $23/moPaid monthly | 5.6/10 | View deal |
One NZLite Plan | 3GB/mo | Unlimited | $40/moPaid monthly | 3.3/10 | View deal |
Kogan MobileBiggest 365 Day Prepay | 500GB/year≈ 42GB/mo | Unlimited | $50/moPaid as $600 once a year | 3.3/10 | View deal |
Kogan MobileBiggest Monthly Prepay | 60GB/mo | Unlimited | $60/moPaid monthly | 3.3/10 | View deal |
One NZEndless Plus | 50GB/mo + endless | Unlimited | $73/moPaid monthly | 3.3/10 | View deal |
One NZEndless Plus | 50GB/mo + endless | Unlimited | $73/moPaid monthly | 3.3/10 | View deal |
Frequently asked questions
Which is better, One NZ or Kogan Mobile?
Kogan Mobile wins 2 of 3 usage types on value. One NZ has the cheaper entry-level plan. Kogan Mobile has the highest-scoring plan for value and features. Both use the One NZ network, so coverage is similar. Light use: Kogan Mobile's Standard Monthly Prepay (2GB/mo, $17/mo) costs less than One NZ's Rollover Large (3GB/mo, $30/mo) and scores higher. Everyday use: Kogan Mobile's Bigger Monthly Prepay (15GB/mo, $40/mo) costs less than One NZ's Endless Starter (6GB/mo + endless, $50/mo) and scores higher. Heavy use: One NZ's Unlimited Prepay (Unlimited, $88/mo) costs more than Kogan Mobile's Biggest Monthly Prepay (60GB/mo, $60/mo), but scores higher (6.4 vs 3.3) for what you get.
Is One NZ or Kogan Mobile cheaper?
One NZ’s cheapest plan is Starter Prepay (250MB/mo) at $10.00 a month. Kogan Mobile’s cheapest is Standard Monthly Prepay (2GB/mo) at $17.00 a month.
Do One NZ and Kogan Mobile use the same network?
Yes, both use the One NZ network.
Can I switch from One NZ to Kogan Mobile and keep my number?
Yes. Sign up with Kogan Mobile and ask to transfer your number. They’ll handle the switch, and you don’t need to cancel with One NZ first.