One NZ vs Rocket Mobile
One NZ wins 2 of 3 usage types on value. One NZ has the cheaper entry-level plan. Rocket 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 | Rocket Mobile |
|---|---|---|
| Network | One NZ | One NZ |
| Plans listed | 11 | 4 |
| Cheapest plan (per month) | $10.00 | $30.00 |
| Cheapest unlimited | $88.00 | $30.00 |
| Best SmartScore | 7.4 | 9.3 |
| Prepay plans | Yes | Yes |
| Pay monthly plans | Yes | No |
| eSIM | Yes | Yes |
| 5G | Yes | Yes |
| WiFi calling | Yes | Yes |
Which should you choose?
Light use
Under 5GB: messaging, maps, a bit of social
- One NZBetter value
- Rollover Large3GB/mo · $30/mo · 7.4/10
- Rocket Mobile
- No plan in this range
Only One NZ has a plan in this range: Rollover Large (3GB/mo, $30/mo).
Everyday use
5GB to 40GB: streaming music, social and some video
- One NZBetter value
- Endless Starter6GB/mo + endless · $50/mo · 6.1/10
- Rocket Mobile
- No plan in this range
Only One NZ has a plan in this range: Endless Starter (6GB/mo + endless, $50/mo).
Heavy use
40GB+ or unlimited: lots of video, hotspotting
- One NZ
- Unlimited PrepayUnlimited · $88/mo · 6.4/10
- Rocket MobileBetter value
- RocketUnlimited (10Mbps) · $40/mo · 9.3/10
Rocket Mobile's Rocket (Unlimited (10Mbps), $40/mo) costs less than One NZ's Unlimited Prepay (Unlimited, $88/mo) and scores higher.
Choose One NZ if…
- You want the better plan for light and everyday 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
Choose Rocket Mobile if…
- You want the better plan for heavy use
Every One NZ and Rocket Mobile plan
| Plan | Calls | ? | ? | Actions | |
|---|---|---|---|---|---|
Rocket MobileRocket Starter | Unlimited (2Mbps) | Unlimited | $30/moPaid monthly | 9.3/10 | View deal |
Rocket MobileRocket | Unlimited (10Mbps) | Unlimited | $40/moPaid monthlyPromo $30 | 9.3/10 | View deal |
Rocket MobileRocket Plus | Unlimited (40Mbps) | Unlimited | $45/moPaid monthlyPromo $35 | 9.3/10 | View deal |
Rocket MobileRocket Max | Unlimited | Unlimited | $75/moPaid monthlyPromo $65 | 8.3/10 | 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 |
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 |
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 Rocket Mobile?
One NZ wins 2 of 3 usage types on value. One NZ has the cheaper entry-level plan. Rocket Mobile has the highest-scoring plan for value and features. Both use the One NZ network, so coverage is similar. Light use: Only One NZ has a plan in this range: Rollover Large (3GB/mo, $30/mo). Everyday use: Only One NZ has a plan in this range: Endless Starter (6GB/mo + endless, $50/mo). Heavy use: Rocket Mobile's Rocket (Unlimited (10Mbps), $40/mo) costs less than One NZ's Unlimited Prepay (Unlimited, $88/mo) and scores higher.
Is One NZ or Rocket Mobile cheaper?
One NZ’s cheapest plan is Starter Prepay (250MB/mo) at $10.00 a month. Rocket Mobile’s cheapest is Rocket Starter (Unlimited (2Mbps)) at $30.00 a month.
Do One NZ and Rocket Mobile use the same network?
Yes, both use the One NZ network.
Can I switch from One NZ to Rocket Mobile and keep my number?
Yes. Sign up with Rocket Mobile and ask to transfer your number. They’ll handle the switch, and you don’t need to cancel with One NZ first.