Spark vs Rocket Mobile
Spark wins 2 of 3 usage types on value. Spark has the cheaper entry-level plan. Rocket Mobile has the highest-scoring plan for value and features. Spark uses the Spark network and Rocket Mobile uses One NZ, so check coverage where you live and work.
Prices checked 12 October 2026
| Feature | Spark | Rocket Mobile |
|---|---|---|
| Network | Spark | One NZ |
| Plans listed | 12 | 4 |
| Cheapest plan (per month) | $18.00 | $30.00 |
| Cheapest unlimited | $90.00 | $30.00 |
| Best SmartScore | 7.5 | 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
- SparkBetter value
- $28 Value Pack3GB/mo · $28/mo · 7.5/10
- Rocket Mobile
- No plan in this range
Only Spark has a plan in this range: $28 Value Pack (3GB/mo, $28/mo).
Everyday use
5GB to 40GB: streaming music, social and some video
- SparkBetter value
- 8GB Endless Plan8GB/mo + endless · $55/mo · 5.2/10
- Rocket Mobile
- No plan in this range
Only Spark has a plan in this range: 8GB Endless Plan (8GB/mo + endless, $55/mo).
Heavy use
40GB+ or unlimited: lots of video, hotspotting
- Spark
- $90 Unlimited Value PackUnlimited · $90/mo · 6.1/10
- Rocket MobileBetter value
- RocketUnlimited (10Mbps) · $40/mo · 9.3/10
Rocket Mobile's Rocket (Unlimited (10Mbps), $40/mo) costs less than Spark's $90 Unlimited Value Pack (Unlimited, $90/mo) and scores higher.
Choose Spark if…
- You want the better plan for light and everyday use
- You want the cheapest way in (from $18/mo)
- You prefer a monthly bill
- You want unused data to roll over
- You want data that slows down instead of running out
- Spark coverage is better where you live
Choose Rocket Mobile if…
- You want the better plan for heavy use
- One NZ coverage is better where you live
Every Spark 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 |
Spark$28 Value Pack | 3GB/moRollover | 300 mins | $28/moPaid monthly | 7.5/10 | View deal |
Spark$18 Value Pack | 1GB/moRollover | 100 mins | $18/moPaid monthly | 6.5/10 | View deal |
| Unlimited | Unlimited | $90/moPaid monthly | 6.1/10 | View deal | |
SparkUnlimited Data Plan | Unlimited | Unlimited | $95/moPaid monthly | 5.3/10 | View deal |
Spark8GB Endless Plan | 8GB/mo + endless | Unlimited | $55/moPaid monthly | 5.2/10 | View deal |
| 20GB/moRollover | Unlimited | $60/moPaid monthly | 5.0/10 | View deal | |
Spark$23 Value Pack | 2GB/moRollover | 200 mins | $23/moPaid monthly | 4.8/10 | View deal |
| Unlimited | Unlimited | $100/moPaid monthly | 4.6/10 | View deal | |
| 4.5GB/moRollover | Unlimited | $40/moPaid monthly | 4.0/10 | View deal | |
Spark4GB Rollover Plan | 4GB/moRollover | Unlimited | $45/moPaid monthly | 4.0/10 | View deal |
Spark75GB Endless Plan | 75GB/mo + endless | Unlimited | $68/moPaid monthly | 3.3/10 | View deal |
Spark150GB Endless Plan | 150GB/mo + endless | Unlimited | $78/moPaid monthly | 3.3/10 | View deal |
Frequently asked questions
Which is better, Spark or Rocket Mobile?
Spark wins 2 of 3 usage types on value. Spark has the cheaper entry-level plan. Rocket Mobile has the highest-scoring plan for value and features. Spark uses the Spark network and Rocket Mobile uses One NZ, so check coverage where you live and work. Light use: Only Spark has a plan in this range: $28 Value Pack (3GB/mo, $28/mo). Everyday use: Only Spark has a plan in this range: 8GB Endless Plan (8GB/mo + endless, $55/mo). Heavy use: Rocket Mobile's Rocket (Unlimited (10Mbps), $40/mo) costs less than Spark's $90 Unlimited Value Pack (Unlimited, $90/mo) and scores higher.
Is Spark or Rocket Mobile cheaper?
Spark’s cheapest plan is $18 Value Pack (1GB/mo) at $18.00 a month. Rocket Mobile’s cheapest is Rocket Starter (Unlimited (2Mbps)) at $30.00 a month.
Do Spark and Rocket Mobile use the same network?
No. Spark uses Spark and Rocket Mobile uses One NZ.
Can I switch from Spark 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 Spark first.