30 plans compared

Mobile plans under $30 a month

The sweet spot for most people. These plans all cost under $30 a month, based on the monthly equivalent price.

Prices checked 12 October 2026

At a glance

We list 30 plans here from 10 providers. The typical (median) plan costs $20.42 a month. That's lower than the $43.45 typical price across all plans. 26 are prepay and 4 are pay monthly. 1 have unlimited data. The Spark network has the most (12), then 2degrees (9) and One NZ (8).

  • 30Plans
  • 10Providers
  • $8–$29.33Price range
  • $20.42/moTypical price
  • $10Typical cost per GB

All under $30 compared

Data
Budget per month
Providers
Showing 30 of 30 plans
PlanCalls??
ZeronetMobile Starter (Annual)Pay monthly
Unlimited (3Mbps)Unlimited$24.58/moPaid as $295 once a year9.3/10View deal
Mighty MobileStarter PlanPrepay
5GB/moUnlimited$25/moPaid monthly9.3/10View deal
Kogan MobileBig Monthly PrepayPrepay
5GB/moUnlimited$28/moPaid monthly7.1/10View deal
Skinny$296 52-Week Rollover PlanPrepay
4GB/28 daysRolloverUnlimited$24.73/moPaid as $296 once a year10.0/10View deal
Warehouse Mobile$25 ComboPrepay
4GB/28 daysRolloverUnlimited$27.16/moPaid as $25 every 28 days8.1/10View deal
Skinny$27 Plan (4GB Rollover Data)Prepay
4GB/28 daysRolloverUnlimited$29.33/moPaid as $27 every 28 days7.8/10View deal
Kogan MobileBig 365 Day PrepayPrepay
50GB/year≈ 4.2GB/moUnlimited$20.83/moPaid as $250 once a year8.3/10View deal
Skinny$22 Plan (3GB Rollover Data)Prepay
3GB/28 daysRolloverUnlimited$23.90/moPaid as $22 every 28 days9.5/10View deal
2degrees$25 Monthly Plan (Prepay)Prepay
3GB/moRolloverUnlimited$25/moPaid monthly9.5/10View deal
Spark$28 Value PackPrepay
3GB/moRollover300 mins$28/moPaid monthly7.5/10View deal
2degrees$11 Fortnightly Plan (Prepay)Prepay
1.25GB/fortnight≈ 2.7GB/moUnlimited$23.90/moPaid as $11 every fortnight10.0/10View deal
Mercury Mobile2.5GB Rollover DataPay monthlyBundle only
2.5GB/moRollover350 mins$29/moPaid monthly6.0/10View deal
Skinny$17 Plan (2GB Rollover Data)Prepay
2GB/28 daysRolloverUnlimited$18.47/moPaid as $17 every 28 days9.5/10View deal
Skinny$5 Plan (500MB Data, 7-day)Prepay
500MB/week≈ 2.2GB/mo60 mins$21.73/moPaid as $5 every week6.2/10View deal
Contact Energy mobileExtra Small (2GB Carryover)Pay monthly
2GB/moRollover200 mins$16/moPaid monthly9.2/10View deal
Kogan MobileStandard Monthly PrepayPrepay
2GB/moUnlimited$17/moPaid monthly7.7/10View deal
2degrees$20 Monthly Plan (Prepay)Prepay
2GB/moRolloverUnlimited$20/moPaid monthly7.5/10View deal
One NZRollover MediumPrepay
2GB/moRolloverUnlimited$23/moPaid monthly5.6/10View deal
Spark$23 Value PackPrepay
2GB/moRollover200 mins$23/moPaid monthly4.8/10View deal
Warehouse Mobile$15 ComboPrepay
1.25GB/28 daysRollover200 mins$16.29/moPaid as $15 every 28 days8.0/10View deal
Mercury Mobile1.25GB Rollover DataPay monthlyBundle only
1.25GB/moRollover250 mins$19/moPaid monthly6.2/10View deal
Skinny$13 Plan (1GB Rollover Data)Prepay
1GB/28 daysRolloverUnlimited$14.12/moPaid as $13 every 28 days9.5/10View deal
2degrees$15 Monthly Plan (Prepay)Prepay
1GB/moRolloverUnlimited$15/moPaid monthly9.4/10View deal
One NZRollover SmallPrepay
1GB/moRolloverUnlimited$18/moPaid monthly7.3/10View deal
Spark$18 Value PackPrepay
1GB/moRollover100 mins$18/moPaid monthly6.5/10View deal
Warehouse Mobile$9 ComboPrepay
300MB/28 daysRollover100 mins$9.78/moPaid as $9 every 28 days8.2/10View deal
Skinny$8 Plan (250MB Data)Prepay
250MB/28 days100 mins$8.69/moPaid as $8 every 28 days8.0/10View deal
One NZStarter PrepayPrepay
250MB/mo100 mins$10/moPaid monthly7.0/10View deal
2degrees$8 Monthly Plan (Prepay)Prepay
150MB/moRollover100 mins$8/moPaid monthly9.2/10View deal
Warehouse Mobile$10 First Phone ComboPrepay
No dataUnlimited$10.86/moPaid as $10 every 28 days4.7/10View deal

Frequently asked questions

What is the best mobile plan under $30 in NZ?

Sorted by data, the top plan under $30 is Zeronet Mobile Starter (Annual) with Unlimited (3Mbps) for $24.58 a month.