Unlimited Data Phone Plans in Australia: What You Need to Know

Understanding unlimited data phone plans can be overwhelming, especially with a variety of options and confusing terms like "speed caps." For tech-savvy users and budget-conscious households, choosing the ideal plan can help support consistent streaming, smooth browsing, and staying connected—without worrying about exceeding data limits or unexpected costs. 

This guide dives deep into everything you need to know about unlimited data phone plans in Australia—from how they work and their limitations to which providers offer the ideal plans for your needs. By the end, you'll feel confident choosing a plan that fits your lifestyle and budget.  

What Are Unlimited Data Phone Plans?  

Unlimited data phone plans provide you with mobile data that won't run out. Unlike traditional plans, there are no excess data charges, which means you won't pay extra for going over your monthly limit. However, there’s a catch—most "unlimited" plans come with a speed cap after you use a certain amount of high-speed data.  

What Is a Speed Cap?  

A speed cap reduces your browsing speeds after you've used up your high-speed data allowance. For example, a speed cap of 1.5Mbps may work for general usage like browsing and email, but it might not be ideal for streaming HD videos or using data-heavy apps.  

Is Unlimited Data Really Unlimited?  

While "unlimited" sounds enticing, it’s crucial to read the fine print. According to the Australian Consumer Law, providers can no longer advertise plans as "unlimited" unless they clearly mention speed caps. Most unlimited plans in Australia include high-speed data to a limit, after which speeds are reduced.  

Why Choose an Unlimited Data Plan?  

• No Data Anxiety: You’ll never run out of data, even if speeds slow down.  
• No Extra Charges: Spend as much time online as you want without worrying about surprise bills.  
• Ideal for Heavy Users: Ideal for those who frequently stream, browse, or work remotely.  

How Do Unlimited Data Phone Plans Work in Australia?  

Australian telcos offer unlimited data in two main ways: 

1. Speed-Capped Data After High-Speed Allowance: Telcos like Vodafone, Optus, and Telstra allow a high-speed data portion (e.g., 50GB) and apply a speed cap (e.g., 1.5Mbps) once the allowance is used up.  
2. Entirely Speed-Capped Unlimited Plans: Some providers, like Felix, cap speeds for the entire plan (e.g., 20Mbps) but allow unlimited browsing, streaming, and downloading without limits.  

By understanding these two formats, you can find a plan that balances speed and value based on your usage.  

Benefits of Unlimited Data Plans  

1. Cost Control: Avoid surprise overage charges by paying a flat rate.  
2. Convenience: Forget tracking data usage and rely on a steady connection.  
3. Flexibility: Most plans offer month-to-month contracts, so you're not locked in long-term.  

Key Providers Offering Mobile Plans with No Set Data Limits 

As of April 9, 2025 – Based on plans available via the Econnex platform 

Here’s a breakdown of mobile providers offering plans with large data allowances or speed-capped usage after limits—designed to keep you connected without excess data charges: 

1. Mate 

Mate offers a range of month-to-month mobile plans with large data inclusions and data banking of up to 500GB. On select plans, Speed Limiting (or shaping) is enabled once the included high-speed data is used. 

• Speed Cap (after data limit): Speeds capped on selected plans (e.g., 5Mbps) 
• Plan Range: $25–$55/month 
• Extras: Unlimited calls & texts, international calls to select countries, no lock-in contracts, 100% Australian support 
• Ideal For: Users who want flexibility, large data banks, and predictable monthly costs 

2. Aussie Broadband 

Aussie Broadband provides mobile plans using the Optus network, with generous data inclusions and data pooling, allowing users to share unused data across multiple services. Plans are contract-free and include usage-based pricing beyond included data. 

• Speed Cap (after limit): Not specified; excess usage charged per GB 
• Plan Range: $25–$70/month 
• Extras: Data pooling, no lock-in contracts, account credit offers on select plans 
• Ideal For: Households or individuals who want simple plans with flexible data sharing 

Important: Some plans may appear to offer unlimited data; however, reduced speeds or additional charges can apply once a data threshold is reached. Speed limits, usage conditions, and excess data policies differ between providers and plans. Always refer to the provider’s Critical Information Summary (CIS) to understand the specific inclusions, exclusions, and limitations that may apply.

Key Considerations Before Choosing an Unlimited Plan  

Not all unlimited plans are created equal. Here’s what to keep in mind when selecting a plan: 

Speed Caps  

• Choose a speed cap that aligns with your usage. For instance, 1.5Mbps is fine for browsing and emails but may struggle with high-quality video streaming.  

Data Usage

• Review your monthly data needs. If you consistently use less than 50GB, a high-speed limited plan might suffice.  

Device Compatibility  

• Ensure your phone supports the network (especially for 5G plans).  

Perks and Extras  

• Look for bonus features like free entertainment subscriptions or international call inclusions.  

Switching to Unlimited Data  

If you’re ready to ditch data limits, follow these simple steps to get started: 

1. Compare mobile plans from popular providers using Econnex online comparison tool. 
2. Evaluate your data needs and preferred network coverage. 
3. Check out provider discounts or special offers for new customers.  
4. Sign up online and enjoy your unlimited data plan!  

Are Unlimited Data Plans Worth It?  

The value of unlimited data plans depends on your usage habits and lifestyle. If you're a heavy user who regularly streams, works remotely, or needs peace of mind without data overage charges, unlimited plans can be incredibly worthwhile.  

Looking for a Plan With No Data Limits 

Unlimited phone plans are designed for those who never want to think twice about their data usage. Whether you’re a gamer, a Netflix binger, or simply someone who loves staying connected, there’s a plan out there to suit your needs.  

Start exploring no-data-cap plans with Econnex and find an option that suits your online lifestyle. 

Disclaimer: The information in this article is intended for general informational purposes only and is based on publicly available data. While we strive to keep the content accurate and up to date, certain details—including pricing, plan features, and availability—are subject to change or may vary by provider or location. We strongly recommend confirming the latest information directly with the mobile service provider before making a decision. 

Econnex may receive a commission from selected providers when users purchase or switch mobile plans via its platform. Not all mobile plans or providers available in the market are included in our comparison, and availability may depend on your device, location, or network compatibility. This article does not constitute professional advice and should not be relied on as the sole basis for choosing a mobile service. 

Last updated: April 9, 2025