Spark vs Kogan Mobile
Kogan Mobile wins 2 of 3 usage types on value. Kogan Mobile has the cheaper entry-level plan. Kogan Mobile has the highest-scoring plan for value and features. Spark uses the Spark network and Kogan Mobile uses One NZ, so check coverage where you live and work.
Prices checked 12 October 2026
| Feature | Spark | Kogan Mobile |
|---|---|---|
| Network | Spark | One NZ |
| Plans listed | 12 | 7 |
| Cheapest plan (per month) | $18.00 | $17.00 |
| Cheapest unlimited | $90.00 | None |
| Best SmartScore | 7.5 | 8.3 |
| Prepay plans | Yes | Yes |
| Pay monthly plans | Yes | No |
| eSIM | Yes | No |
| 5G | Yes | Yes |
| WiFi calling | 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
- Kogan MobileBetter value
- Standard Monthly Prepay2GB/mo · $17/mo · 7.7/10
Kogan Mobile's Standard Monthly Prepay (2GB/mo, $17/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
- Kogan MobileBetter value
- Bigger Monthly Prepay15GB/mo · $40/mo · 8.3/10
Kogan Mobile's Bigger Monthly Prepay (15GB/mo, $40/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
- Kogan Mobile
- Biggest Monthly Prepay60GB/mo · $60/mo · 3.3/10
Spark's $90 Unlimited Value Pack (Unlimited, $90/mo) costs more than Kogan Mobile's Biggest Monthly Prepay (60GB/mo, $60/mo), but scores higher (6.1 vs 3.3) for what you get.
Choose Spark if…
- You want the better plan for heavy use
- You prefer a monthly bill
- You want unused data to roll over
- You want data that slows down instead of running out
- You need eSIM
- Spark coverage is better where you live
Choose Kogan Mobile if…
- You want the better plan for light and everyday use
- You want the cheapest way in (from $17/mo)
- You want to pay once for the whole year
- One NZ coverage is better where you live
Every Spark and Kogan Mobile plan
| Plan | Calls | ? | ? | Actions | |
|---|---|---|---|---|---|
Kogan MobileBig 365 Day Prepay | 50GB/year≈ 4.2GB/mo | Unlimited | $20.83/moPaid as $250 once a year | 8.3/10 | View deal |
Kogan MobileBigger 365 Day Prepay | 150GB/year≈ 13GB/mo | Unlimited | $33.33/moPaid as $400 once a year | 8.3/10 | View deal |
Kogan MobileBigger Monthly Prepay | 15GB/mo | Unlimited | $40/moPaid monthly | 8.3/10 | View deal |
Kogan MobileStandard Monthly Prepay | 2GB/mo | Unlimited | $17/moPaid monthly | 7.7/10 | View deal |
Spark$28 Value Pack | 3GB/moRollover | 300 mins | $28/moPaid monthly | 7.5/10 | View deal |
Kogan MobileBig Monthly Prepay | 5GB/mo | Unlimited | $28/moPaid monthly | 7.1/10 | 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 |
Kogan MobileBiggest 365 Day Prepay | 500GB/year≈ 42GB/mo | Unlimited | $50/moPaid as $600 once a year | 3.3/10 | View deal |
Kogan MobileBiggest Monthly Prepay | 60GB/mo | Unlimited | $60/moPaid monthly | 3.3/10 | 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 Kogan Mobile?
Kogan Mobile wins 2 of 3 usage types on value. Kogan Mobile has the cheaper entry-level plan. Kogan Mobile has the highest-scoring plan for value and features. Spark uses the Spark network and Kogan Mobile uses One NZ, so check coverage where you live and work. Light use: Kogan Mobile's Standard Monthly Prepay (2GB/mo, $17/mo) costs less than Spark's $28 Value Pack (3GB/mo, $28/mo) and scores higher. Everyday use: Kogan Mobile's Bigger Monthly Prepay (15GB/mo, $40/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 Kogan Mobile's Biggest Monthly Prepay (60GB/mo, $60/mo), but scores higher (6.1 vs 3.3) for what you get.
Is Spark or Kogan Mobile cheaper?
Spark’s cheapest plan is $18 Value Pack (1GB/mo) at $18.00 a month. Kogan Mobile’s cheapest is Standard Monthly Prepay (2GB/mo) at $17.00 a month.
Do Spark and Kogan Mobile use the same network?
No. Spark uses Spark and Kogan Mobile uses One NZ.
Can I switch from Spark to Kogan Mobile and keep my number?
Yes. Sign up with Kogan Mobile and ask to transfer your number. They’ll handle the switch, and you don’t need to cancel with Spark first.