Cheapest Mobile Plans

Last updated: August 28, 2025

Finding the right mobile plan can feel overwhelming. With so many providers and deals, how do you know you're getting the best value? That's where we come in. This guide is designed to help you easily navigate the options and find the cheapest mobile plans in NZ that perfectly match your needs and budget. Whether you're a heavy data user, a senior looking for a simple plan, or someone who prefers the flexibility of prepaid, we'll cover the most affordable choices to keep you connected for less.

Prices and deals change all the time, but some plans consistently offer great value. Here’s our regularly updated list of the top budget-friendly mobile plans available right now.

(Note: This is a template. You can update this section monthly with the latest deals from your comparison tool.)

The dream of "unlimited data" is now an affordable reality, but it's important to understand what you're getting. Most "unlimited" plans in New Zealand come with a certain amount of data at maximum speed. Once you use that up, your speed is reduced for the rest of the month. This is usually still fast enough for browsing and social media, but might be slow for streaming high-definition video.

Prepaid plans are perfect if you want to avoid credit checks and contracts. You simply pay upfront for a set amount of data, calls, and texts, giving you complete control over your spending.

For light to medium users, there are fantastic prepaid options that won't break the bank. You can typically find plans that offer between 1.5GB and 4GB of data, along with hundreds of minutes and unlimited texts, for under $20 a month. These are ideal for students, seniors, or anyone who is usually connected to Wi-Fi.

If you barely use your phone for calls or data, a pay-and-go option might be the cheapest route. You top up with a small amount of credit (e.g., $10) that lasts for months, and you only pay for the exact minutes, texts, or megabytes you use.

If you're happy with your provider and want to lock in a great price, a 365-day plan can offer incredible savings. By paying for a full year upfront, you can often reduce your equivalent monthly cost by 20-30%.

Consider an annual plan if:

Seniors often have different needs from the average mobile user. Many providers offer straightforward, affordable plans that prioritize unlimited calls and texts over massive data allowances. Furthermore, several providers offer exclusive discounts for SuperGold card holders, making their plans even cheaper.

Look for plans that offer:

Feeling confident? Follow these simple steps to find your perfect match.

Don't pay for data you won't use. Here's a quick guide:

While all major providers have excellent coverage in cities, it can vary in rural areas. Before you switch, use an online coverage map to ensure you'll get a strong signal where you live, work, and travel.

A: The best value "unlimited" plan is typically one that offers at least 10GB of max-speed data for around $40. This gives you plenty of high-speed data for streaming and browsing without a high price tag.

A: Yes, absolutely. It's a legal requirement in New Zealand that you can take your number with you. The process is simple and your new provider will handle all the details for you.

A: Rollover data lets you keep any unused data from one month and add it to the next, so you don't lose what you've paid for. Endless data (or unlimited) means you never get cut off, but your speeds are slowed down after you hit a certain limit.

A: Most plans are very transparent, but always check for things like SIM card fees (usually around $5) or if the promotional price is only for a limited time. All prices on our site include GST.

A: It's easy! Once you've chosen a new plan, simply sign up online. They will send you a new SIM card, and during the setup process, you'll be asked if you want to bring your current number across. The whole switch usually takes less than a day.

The best mobile plan is the one that gives you everything you need without making you pay for things you don't. By understanding your data usage and knowing what to look for in a plan, you can save hundreds of dollars a year. Use the comparison tools on MobilePlan.co.nz to compare the latest deals and make the switch to a cheaper plan today!

🔄 This guide is updated monthly with current pricing, promotions, and provider changes. Bookmark this page for the cheapest 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.