Rocket Mobile vs Slingshot
Neither wins outright: it depends on how much data you use. Rocket Mobile has the cheaper entry-level plan. Rocket Mobile has the highest-scoring plan for value and features. Rocket Mobile uses the One NZ network and Slingshot uses 2degrees, so check coverage where you live and work.
Prices checked 12 October 2026
| Feature | Rocket Mobile | Slingshot |
|---|---|---|
| Network | One NZ | 2degrees |
| Plans listed | 4 | 4 |
| Cheapest plan (per month) | $30.00 | $40.00 |
| Cheapest unlimited | $30.00 | None |
| Best SmartScore | 9.3 | 6.7 |
| Prepay plans | Yes | No |
| Pay monthly plans | No | Yes |
| eSIM | Yes | – |
| 5G | Yes | Yes |
| WiFi calling | Yes | Yes |
Which should you choose?
Light use
Under 5GB: messaging, maps, a bit of social
- Rocket Mobile
- No plan in this range
- Slingshot
- No plan in this range
Everyday use
5GB to 40GB: streaming music, social and some video
- Rocket Mobile
- No plan in this range
- SlingshotBetter value
- 10GB Carryover Data10GB/mo · $50/mo · 6.7/10
Only Slingshot has a plan in this range: 10GB Carryover Data (10GB/mo, $50/mo).
Heavy use
40GB+ or unlimited: lots of video, hotspotting
- Rocket MobileBetter value
- RocketUnlimited (10Mbps) · $40/mo · 9.3/10
- Slingshot
- 80GB Carryover Data80GB/mo · $60/mo · 4.5/10
Rocket Mobile's Rocket (Unlimited (10Mbps), $40/mo) costs less than Slingshot's 80GB Carryover Data (80GB/mo, $60/mo) and scores higher.
Choose Rocket Mobile if…
- You want the better plan for heavy use
- You want the cheapest way in (from $30/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
- You prefer a monthly bill
- You want unused data to roll over
- You want data that slows down instead of running out
- 2degrees coverage is better where you live
Every Rocket Mobile and Slingshot 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 |
Slingshot10GB Carryover Data | 10GB/moRollover | Unlimited | $50/moPaid monthly | 6.7/10 | View deal |
Slingshot80GB Carryover Data | 80GB/moRollover | Unlimited | $60/moPaid monthly | 4.5/10 | 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, Rocket Mobile or Slingshot?
Neither wins outright: it depends on how much data you use. Rocket Mobile has the cheaper entry-level plan. Rocket Mobile has the highest-scoring plan for value and features. Rocket Mobile uses the One NZ network and Slingshot uses 2degrees, so check coverage where you live and work. Everyday use: Only Slingshot has a plan in this range: 10GB Carryover Data (10GB/mo, $50/mo). Heavy use: Rocket Mobile's Rocket (Unlimited (10Mbps), $40/mo) costs less than Slingshot's 80GB Carryover Data (80GB/mo, $60/mo) and scores higher.
Is Rocket Mobile or Slingshot cheaper?
Rocket Mobile’s cheapest plan is Rocket Starter (Unlimited (2Mbps)) at $30.00 a month. Slingshot’s cheapest is 5GB Carryover Data (5GB/mo) at $40.00 a month.
Do Rocket Mobile and Slingshot use the same network?
No. Rocket Mobile uses One NZ and Slingshot uses 2degrees.
Can I switch from Rocket Mobile 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 Rocket Mobile first.