Open Term Mobile Plans
Showing 57 plans.
500mb nz data
60 minutes to nz and au
Unlimited texts
100 minutes to nz and au
10gb of hotspot data*
Unlimited data at 2mbps
3gb capped data
3 months 50% off when you bring your number to zeronet. t&c's apply*
Unlimited standard calls & txts (nz & au)^
One nz rewards
Bous data with dataup*
10% off spotify premium (usually $18.99/month).spotify premium is available to customers on spark prepaid value packs for just $15.73 per 28 days. t&c's apply.
20gb of hotspot data*
Unlimited data at 10mbps
*3gb data at max speed for first 12 months, then 1.5gb. limited time offer
Unlimited minutes to nz and au
1.5 gb rollover data
200 rollover minutes
25gb nz data
Endless nz data
One nz rewards
Bous data with dataup*
10% off spotify premium (usually $18.99/month).spotify premium is available to customers on spark prepaid value packs for just $15.73 per 28 days. t&c's apply.
Your data stack increases by 200mb every 28 days each time you renew your eligible spark prepaid value pack (within two weeks after expiry), up to a maximum of 3gb.
40gb data at max speed. endless data at reduced speed*
10gb capped data
3 months 50% off when you bring your number to zeronet. t&c's apply*
Unlimited standard calls & txts (nz & au)^
10% off spotify premium (usually $18.99/month).spotify premium is available to customers on spark prepaid value packs for just $15.73 per 28 days. t&c's apply.
Your data stack increases by 200mb every 28 days each time you renew your eligible spark prepaid value pack (within two weeks after expiry), up to a maximum of 3gb.
4gb rollover data
300 rollover minutes
10gb of hotspot data is included on the rocket mobile plan, with speeds of up to 1.2mbps.
Unlimited data at 2mbps
One nz rewards
Bous data with dataup*
Save $7 on spotify premium (usually $18.99/month): spotify premium is available to customers on spark prepaid packs for $11.04 / 28-days (normally $18.99 per month). t&c's apply.
Your data stack increases by 200mb every 28 days each time you renew your eligible spark prepaid value pack (within two weeks after expiry), up to a maximum of 3gb.
Save 10% off spotify premium $17.09/m (usually $18.99/m). t&c's apply.
Endless data, including 5gb at max speed.
Keep your current number
20gb of hotspot data*
Unlimited data at 10mbps
300 carryover minutes to nz & aussie
Unlimited texts to nz & aussie
3 months 50% off when you bring your number to zeronet. t&c's apply*
Unlimited standard calls & txts (nz & au)^
Unlimited data at 10mbps
Good for 720p, hd
10gb nz data at max speeds, incl. hotspotting
Endless nz data
One nz rewards
Bous data with dataup*
Save $7 on spotify premium (usually $18.99/month): spotify premium is available to customers on spark prepaid packs for $11.04 / 28-days (normally $18.99 per month). t&c's apply.
Your data stack increases by 200mb every 28 days each time you renew your eligible spark prepaid value pack (within two weeks after expiry), up to a maximum of 3gb.
20gb of hotspot data*
Unlimited data at 40mbps
Save 10% off spotify premium $17.09/m (usually $18.99/m). t&c's apply.
Unlimited mins and texts
Endless data, including 10gb at max speed.
Keep your current number
20gb capped data
Unlimited data at 50mbps
Good for 1080p, fhd
Unlimited calls to nz & aussie
Unlimited texts to nz & aussie
One wallet included
Unlimited mins and texts
40gb nz data at max speeds, incl. hotspotting
Endless nz data
Save $7 on spotify premium (usually $18.99/month): spotify premium is available to customers on spark prepaid packs for $11.04 / 28-days (normally $18.99 per month). t&c's apply.
Your data stack increases by 200mb every 28 days each time you renew your eligible spark prepaid value pack (within two weeks after expiry), up to a maximum of 3gb.
Endless data, including 20gb at max speed.
Keep your current number
Unlimited calls to nz & aussie
Unlimited texts to nz & aussie
Save 10% off spotify premium $17.09/m (usually $18.99/m). t&c's apply.
Unlimited mins and texts
Endless data, including 40gb at max speed.
Keep your current number
One wallet included
Add up to 3 companion plans for $35/mth per plan
40gb of hotspot data*
Unlimited data at max speed
Unlimited nz data at max speeds, inlc. hotspotting
Endless nz data
100gb max speed then endless data at reduced speeds*
Unlimited calls to nz & aussie
Save $7 off spotify premium $9.99/m (usually $18.99/m). t&c's apply.
Get your first plan for $75/m, then add up to four 150gb endless companions for $40/m each.
Unlimited max speed data (no data or speed caps)
Good for 4k, ultra hd
Save $7 on spotify premium (usually $18.99/month): spotify premium is available to customers on spark prepaid packs for $11.04 / 28-days (normally $18.99 per month). t&c's apply.
Your data stack increases by 200mb every 28 days each time you renew your eligible spark prepaid value pack (within two weeks after expiry), up to a maximum of 3gb.
One wallet included
Add up to 3 companion plans for $40/mth per plan
Free spotify premium included (usually $18.99/m). incl gst. t&c's apply.
Get your first plan for $90/m, then add up to four unlimited data companions for $45/m each.
4gb rollover data
300 rollover minutes
Unlimited data at 10mbps
Good for 720p, hd
10gb nz data plus 10gb nz bonus data
Endless nz data
Unlimited data at 50mbps
Good for 1080p, fhd
Unlimited max speed data (no data or speed caps)
Good for 4k, ultra hd
Find the Best Open Term Mobile Plan in NZ: Compare Deals, Data & Providers
Last updated: September 10, 2025
Tired of being locked into lengthy contracts? Finding the right mobile plan in New Zealand shouldn't feel like a long-term commitment. With an open term mobile plan, you get the ultimate flexibility to choose a plan that fits your life, with the freedom to change it whenever you need.
This guide will help you navigate the world of open term mobile plans in NZ. We'll compare deals from leading providers, explain what to look for in a plan, and answer all your questions so you can find the perfect fit for your data needs and budget.
Why Choose an Open Term Mobile Plan?
Open term, or no-contract, mobile plans are the most popular choice for Kiwis, and for good reason. They put you in complete control.
🕊️ The Freedom of No-Contract Plans
The biggest advantage is freedom. Without a 12 or 24-month contract, you're free to switch to a better deal whenever one comes along. If your data needs change or you find a cheaper price elsewhere, you can move without facing early termination fees.
📱 Keep Your Existing Phone and Number
Love your current smartphone? No problem. Open term plans are designed for you to bring your own device (BYOD). You can also easily keep your existing phone number through a simple porting process when you switch providers.
👨👩👧👦 Ideal for a Wide Range of Users
Open term plans are perfect for everyone, from students on a tight budget to travellers needing a temporary solution, or anyone who simply wants to take advantage of the best deals on the market without being tied down.
Open Term Mobile Plans with Unlimited Data
Many Kiwis are searching for open term mobile plans nz unlimited data. While true unlimited data at max speed exists, most "unlimited" plans in New Zealand operate on an "endless data" model.
🤔 What Does "Endless Data" Really Mean?
Endless data NZ means you'll never run out of data or be charged for overages. You get a set amount of data at the maximum available speed (Max Speed Data). If you use that up before your month is over, you can continue using data at a reduced speed (typically around 1.2 Mbps) until your plan renews. This is still fast enough for browsing, social media, and standard-definition streaming, but you may notice a difference with high-definition video or large downloads.
🏆 Best Unlimited Data Plans on Open Term
Plans with endless data offer peace of mind. Look for plans that provide a generous amount of Max Speed Data to suit your usage. The "Big Data" and "Unlimited Max" style plans in our table are great examples for users who want to stream, game, and browse without worry.
Finding the Cheapest Open Term Mobile Plans in NZ
Everyone loves a good deal. If you're looking for the cheapest unlimited mobile data plans in NZ, here are some tips to help you save.
💰 Tips for Saving Money on Your Mobile Plan
- Look for Promotions: Providers often offer discounts for the first few months for new customers.
- Consider Smaller Providers: Many smaller brands (MVNOs) run on the main networks but offer highly competitive pricing.
- Prepay Options: Prepay plans often provide excellent value and give you strict control over your spending.
- Bundle and Save: Some companies offer discounts if you bundle your mobile plan with your power or broadband service.
How to Compare Mobile Plans and Providers
When you compare mobile plans nz, the cheapest option isn't always the best. Here’s what to consider to find the right plan for you.
🔎 What to Look for in a Mobile Plan
- Data: How much max-speed data do you really need? Check your current usage to get a good idea.
- Price: Look at the total monthly cost and be aware of any promotional periods that might end.
- Coverage: All major providers offer great coverage, but it's worth checking a coverage map if you live in a rural area. New Zealand's mobile services are primarily provided across three main networks: Spark, One NZ, and 2degrees.
- Features: Do you need hotspotting, 5G access, rollover data, or included international calls? Check the fine print to see what's included.
Frequently Asked Questions (FAQs)
A: For both residents and visitors, the best way is to get a local NZ SIM card. Open term plans are perfect because they are flexible and don't require a long-term contract. You can buy a SIM from a provider's store, a supermarket, or at the airport upon arrival.
A: Yes, unlimited and endless mobile data plans are widely available from most providers. Most plans come with a certain amount of max-speed data before your speed is reduced for the rest of the billing period.
A: Endless NZ data is a feature where you never technically run out of data. After you use your high-speed data allowance, you can continue to use data at a slower speed without any extra cost, ensuring you always stay connected.
A: Absolutely. It's a simple process called "porting" or "port-in". When you sign up with a new provider, just let them know you want to bring your number across, and they will handle the switch for you.
A: Both are no-contract. With prepay, you pay for the service upfront for a set period (e.g., 28 days). With pay-monthly, you use the service and receive a bill at the end of the month. Prepay offers great control over spending, while pay-monthly is convenient.
Ready to Find Your Perfect Mobile Plan?
Now that you're an expert on open-term mobile plans, it's time to find the one that's right for you. Use our powerful and easy-to-use comparison tool to see the latest deals, filter by your needs, and switch to a better plan in minutes.
🔄 This guide is updated monthly with current pricing, promotions, and provider changes. Bookmark this page for the best open term mobile plans and comparison data.
Disclaimer: Pricing and offers subject to change. Always confirm current rates and terms with providers before signing up. Rankings based on publicly available data and may not reflect individual experiences.