Spark vs Contact Energy mobile
Contact Energy mobile wins 2 of 3 usage types on value. Contact Energy mobile has the cheaper entry-level plan. Contact Energy mobile has the highest-scoring plan for value and features. Spark uses the Spark network and Contact Energy mobile uses One NZ, so check coverage where you live and work.
Prices checked 12 October 2026
| Feature | Spark | Contact Energy mobile |
|---|---|---|
| Network | Spark | One NZ |
| Plans listed | 12 | 4 |
| Cheapest plan (per month) | $18.00 | $16.00 |
| Cheapest unlimited | $90.00 | None |
| Best SmartScore | 7.5 | 9.2 |
| Prepay plans | Yes | No |
| Pay monthly plans | Yes | Yes |
| eSIM | Yes | Yes |
| 5G | Yes | Yes |
| WiFi calling | Yes | Yes |
Which should you choose?
Light use
Under 5GB: messaging, maps, a bit of social
- Spark
- $28 Value Pack3GB/mo · $28/mo · 7.5/10
- Contact Energy mobileBetter value
- Extra Small (2GB Carryover)2GB/mo · $16/mo · 9.2/10
Contact Energy mobile's Extra Small (2GB Carryover) (2GB/mo, $16/mo) costs less than Spark's $28 Value Pack (3GB/mo, $28/mo) and scores higher.
Everyday use
5GB to 40GB: streaming music, social and some video
- Spark
- 8GB Endless Plan8GB/mo + endless · $55/mo · 5.2/10
- Contact Energy mobileBetter value
- Medium (Endless)20GB/mo + endless · $45/mo · 8.1/10
Contact Energy mobile's Medium (Endless) (20GB/mo + endless, $45/mo) costs less than Spark's 8GB Endless Plan (8GB/mo + endless, $55/mo) and scores higher.
Heavy use
40GB+ or unlimited: lots of video, hotspotting
- SparkBetter value
- $90 Unlimited Value PackUnlimited · $90/mo · 6.1/10
- Contact Energy mobile
- Large (Endless)75GB/mo + endless · $60/mo · 4.3/10
Spark's $90 Unlimited Value Pack (Unlimited, $90/mo) costs more than Contact Energy mobile's Large (Endless) (75GB/mo + endless, $60/mo), but scores higher (6.1 vs 4.3) for what you get.
Choose Spark if…
- You want the better plan for heavy use
- You want prepay, with no bill or credit check
- Spark coverage is better where you live
Choose Contact Energy mobile if…
- You want the better plan for light and everyday use
- You want the cheapest way in (from $16/mo)
- One NZ coverage is better where you live
Every Spark and Contact Energy mobile plan
| Plan | Calls | ? | ? | Actions | |
|---|---|---|---|---|---|
Contact Energy mobileExtra Small (2GB Carryover) | 2GB/moRollover | 200 mins | $16/moPaid monthly | 9.2/10 | View deal |
Contact Energy mobileMedium (Endless) | 20GB/mo + endless | Unlimited | $45/moPaid monthly | 8.1/10 | 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 | |
Contact Energy mobileSmall (Endless) | 5GB/mo + endless | Unlimited | $35/moPaid monthly | 5.3/10 | 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 | |
Contact Energy mobileLarge (Endless) | 75GB/mo + endless | Unlimited | $60/moPaid monthly | 4.3/10 | 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 Contact Energy mobile?
Contact Energy mobile wins 2 of 3 usage types on value. Contact Energy mobile has the cheaper entry-level plan. Contact Energy mobile has the highest-scoring plan for value and features. Spark uses the Spark network and Contact Energy mobile uses One NZ, so check coverage where you live and work. Light use: Contact Energy mobile's Extra Small (2GB Carryover) (2GB/mo, $16/mo) costs less than Spark's $28 Value Pack (3GB/mo, $28/mo) and scores higher. Everyday use: Contact Energy mobile's Medium (Endless) (20GB/mo + endless, $45/mo) costs less than Spark's 8GB Endless Plan (8GB/mo + endless, $55/mo) and scores higher. Heavy use: Spark's $90 Unlimited Value Pack (Unlimited, $90/mo) costs more than Contact Energy mobile's Large (Endless) (75GB/mo + endless, $60/mo), but scores higher (6.1 vs 4.3) for what you get.
Is Spark or Contact Energy mobile cheaper?
Spark’s cheapest plan is $18 Value Pack (1GB/mo) at $18.00 a month. Contact Energy mobile’s cheapest is Extra Small (2GB Carryover) (2GB/mo) at $16.00 a month.
Do Spark and Contact Energy mobile use the same network?
No. Spark uses Spark and Contact Energy mobile uses One NZ.
Can I switch from Spark to Contact Energy mobile and keep my number?
Yes. Sign up with Contact Energy mobile and ask to transfer your number. They’ll handle the switch, and you don’t need to cancel with Spark first.