One NZ vs Slingshot
One NZ wins 2 of 3 usage types on value. One NZ has the cheaper entry-level plan. One NZ has the highest-scoring plan for value and features. One NZ uses the One NZ network and Slingshot uses 2degrees, so check coverage where you live and work.
Prices checked 12 October 2026
| Feature | One NZ | Slingshot |
|---|---|---|
| Network | One NZ | 2degrees |
| Plans listed | 11 | 4 |
| Cheapest plan (per month) | $10.00 | $40.00 |
| Cheapest unlimited | $88.00 | None |
| Best SmartScore | 7.4 | 6.7 |
| Prepay plans | Yes | No |
| Pay monthly plans | Yes | Yes |
| eSIM | 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
- Slingshot
- 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 NZ
- Endless Starter6GB/mo + endless · $50/mo · 6.1/10
- SlingshotBetter value
- 10GB Carryover Data10GB/mo · $50/mo · 6.7/10
Slingshot's 10GB Carryover Data (10GB/mo, $50/mo) costs the same as 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
- Slingshot
- 80GB Carryover Data80GB/mo · $60/mo · 4.5/10
One NZ's Unlimited Prepay (Unlimited, $88/mo) costs more than Slingshot's 80GB Carryover Data (80GB/mo, $60/mo), but scores higher (6.4 vs 4.5) for what you get.
Choose One NZ if…
- You want the better plan for light and heavy use
- You want the cheapest way in (from $10/mo)
- You want prepay, with no bill or credit check
- One NZ coverage is better where you live
Choose Slingshot if…
- You want the better plan for everyday use
- 2degrees coverage is better where you live
Every One NZ and Slingshot plan
| Plan | Calls | ? | ? | Actions | |
|---|---|---|---|---|---|
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 |
Slingshot10GB Carryover Data | 10GB/moRollover | Unlimited | $50/moPaid monthly | 6.7/10 | 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 |
Slingshot80GB Carryover Data | 80GB/moRollover | Unlimited | $60/moPaid monthly | 4.5/10 | 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 |
Slingshot100GB Endless | 100GB/mo + endless | Unlimited | $75/moPaid monthly | 2.8/10 | View deal |
Slingshot5GB Carryover Data | 5GB/moRollover | 300 mins | $40/moPaid monthly | 2.7/10 | View deal |
Frequently asked questions
Which is better, One NZ or Slingshot?
One NZ wins 2 of 3 usage types on value. One NZ has the cheaper entry-level plan. One NZ has the highest-scoring plan for value and features. One NZ uses the One NZ network and Slingshot uses 2degrees, so check coverage where you live and work. Light use: Only One NZ has a plan in this range: Rollover Large (3GB/mo, $30/mo). Everyday use: Slingshot's 10GB Carryover Data (10GB/mo, $50/mo) costs the same as 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 Slingshot's 80GB Carryover Data (80GB/mo, $60/mo), but scores higher (6.4 vs 4.5) for what you get.
Is One NZ or Slingshot cheaper?
One NZ’s cheapest plan is Starter Prepay (250MB/mo) at $10.00 a month. Slingshot’s cheapest is 5GB Carryover Data (5GB/mo) at $40.00 a month.
Do One NZ and Slingshot use the same network?
No. One NZ uses One NZ and Slingshot uses 2degrees.
Can I switch from One NZ to Slingshot and keep my number?
Yes. Sign up with Slingshot and ask to transfer your number. They’ll handle the switch, and you don’t need to cancel with One NZ first.