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Mobile plans are changing. There's now a large number of phone plans in Australia that have a speed limit, or speed cap. That is, a maximum speed they're capable of. 

This is a big shift in the way that mobile plans are sold, and makes them similar to the NBN. You're not just picking a data allowance, you're picking your speed too. 

This is a brave new world for mobile plans, so we're taking a look at the main speeds on offer to help you work out which is right for you.  

What are Mbps?

Mbps stands for megabits per second, and is a universal method used to measure how fast data travels along the network. More Mbps means a faster connection, less means a slower one. 

20Mbps mobile plans


speed test

20Mbps mobile plans are the slowest you'll get in Australia, but this speed is offered by just one provider: felix mobile. felix has a plan where you genuinely get unlimited data, but the catch is the 20Mbps speed cap. 

While 20Mbps is slower than the speeds 4G is capable of (at least 50Mbps in metro areas), it's still fast enough for almost everything you'd want to do on your phone. You won't have any issues scrolling through socials or streaming video. 

20Mbps might feel a bit slow if you're regularly downloading apps on the go or using your phone as a portable hotspot. 

Here is felix's unlimited plan plan: 

felix mobile
felix mobile

felix Unlimited Mobile Plan

  • Unlimited data at download speeds up to 20Mbps
  • Deal: Get 50% off your first 3 mths when you switch to felix. $20/mth for first 3 mths, then $40/mth. Use promo code FELIX50. T&Cs apply
$40
Per 1 Month Renewal

100Mbps - 150Mbps mobile plans


100Mbps and 150Mbps plans have become the standard for almost every provider powered by the Telstra network. Cheaper plans from telcos like Superloop, Exetel, and Everyday Mobile are all subject to a 100Mbps speed cap. 

You can get a little more speed by opting for a prepaid plan from Telstra, Belong, Boost Mobile, Tangerine, or More. Most of these plans are capped to 150Mbps. 

Optus also limits the majority of its prepaid plans to 150Mbps. On the Optus MVNO front, Southern Phone's 5G SIM-only plans and all of amaysim's plans are capped at 100Mbps, as are most Swoop and Moose Mobile plans. Aussie Broadband and Yomojo have faster 150Mbps plans available. 

These plans have speeds equivalent to or faster than an NBN 100 plan, making them plenty fast for almost any mobile use case - especially given you're typically only using your phone for one thing at a time. 

If you see a plan with speeds capped to 100Mbps or 150Mbps, don't be put off by this. It will still be more than fast enough for anything you can do on your phone. 

Here's a selection of plans with either a 100Mbps or 150Mbps speed cap: 

#1
Moose Mobile
Moose Mobile
Editor's Pick

Moose 26.80 SIM Only

  • 40GB data at download speeds up to 100Mbps
  • Deal: Get 40GB for $12.40 – Includes $14.40 off and 13GB bonus data for first 6 months. Offer ends 31.05.25
$12.40/mth
Min. cost $12.40
Link not supplied
#2
iiNet
iiNet

25GB Small Plan

  • 25GB data at download speeds up to 150Mbps
  • Deal: 50% off - $12.50/mth for first 6 months, then $25/mth ongoing. Available until withdrawn. T&Cs apply.
$12.50
Per 1 Month Renewal
#3
TPG
TPG
Editor's Pick

25GB Small Plan

  • 25GB data at download speeds up to 150Mbps
  • Deal: 50% off - $12.50/mth for first 6 months, then $25/mth ongoing. Available until withdrawn. T&Cs apply.
$12.50
Per 1 Month Renewal
#4
SpinTel
SpinTel

$22 Mobile Plan

  • 25GB data at download speeds up to 100Mbps
  • Deal: Enjoy $8 off for the first 6 months for new customers - $14/mth for first 6 months, then $22/mth
$14/mth
Min. cost $14
#5
Southern Phone
Southern Phone

Medium 5G SIM Plan

  • 40GB data at download speeds up to 100Mbps
  • Deal: Includes $10/mth discount for first 6 months. $19/mth first 6 months, then $29/mth. Offer ends 14.08.25
$19/mth
Min. cost $19
Link not supplied
#6
Lebara Mobile
Lebara Mobile

$24.90 Small Plan

  • 40GB data at download speeds up to 150Mbps
  • Deal: Includes 15GB bonus data for first 3 recharges + 200 bonus std mins to selected countries when you activate by 11.08.25
$24.90
Per 30 Day Renewal
#7
Yomojo
Yomojo

Unlimited Voice & SMS + 25GB

  • 25GB data at download speeds up to 150Mbps
  • Deal: 50% off on all Mobile Plans for the first 3 months. Ends 31.05.25. T&Cs apply.
$24.90
Per 30 Day Renewal
#8
Swoop
Swoop

27GB SIM Only 5G

  • 27GB data at download speeds up to 100Mbps
$25/mth
Min. cost $25
Link not supplied
#9
felix mobile
felix mobile

felix 25GB Mobile Plan

  • 25GB data at download speeds up to 150Mbps
  • Deal: Get 50% off your first 3 mths when you switch to felix. $12.50/mth for first 3 mths, then $25/mth. Use promo code FELIX50. T&Cs apply
$25
Per 1 Month Renewal
#10
Everyday Mobile
Everyday Mobile

Pre-paid Mobile $25 Recharge

  • 22GB data at download speeds up to 100Mbps
  • Deal: $25 SIM Starter Pack discounted to $12.50 + 10% off your grocery shop once a month
$25
Per 30 Day Renewal
Link not supplied

250Mbps mobile plans


250Mbps plans have become a "premium" option on Telstra-powered providers, as well as the speed cap on Telstra's entry-level Upfront plan. Optus' most expensive 28-day prepaid recharge also has a 250Mbps speed cap, as do the most expensive recharges from iiNet and TPG. 

In general, most of us won't benefit from upgrading from a 100Mbps or 150Mbps plan to a 250Mbps plan - at least in terms of speed. The main reason we'd take the higher speed plan is if you also need the larger data allowance it comes with.

Mobile broadband plans on smaller Telstra network providers also tend to be capped to 250Mbps. 

Here's a selection of mobile plans with a 250Mbps speed cap: 

#1
iiNet
iiNet

100GB Large Plan

  • 100GB data at download speeds up to 250Mbps
  • Deal: 50% off - $22.50/mth for first 6 months, then $45/mth ongoing. Available until withdrawn. T&Cs apply.
$22.50
Per 1 Month Renewal
#2
TPG
TPG

100GB Large Plan

  • 100GB data at download speeds up to 250Mbps
  • Deal: 50% off - $22.50/mth for first 6 months, then $45/mth ongoing. Available until withdrawn. T&Cs apply.
$22.50
Per 1 Month Renewal
#3
Belong
Belong

160GB Mobile Plan

  • 160GB data at download speeds up to 250Mbps
$55/mth
Min. cost $55
#4
Optus
Optus

Optus Prepaid $55 SIM

  • 80GB Speed capped at 250Mbps
  • Deal: Get unlimited data, every weekend when you stay connected with AutoRecharge. Fair Go Policy and T&Cs apply.
$55
Per 28 Day Renewal
#5
Tangerine Telecom
Tangerine Telecom

150GB 5G Mobile SIM

  • 150GB data at download speeds up to 250Mbps
  • Deal: Bundle your mobile and nbn plans on the same account to get 10% off your mobile SIM-only plan fees. T&Cs apply.
$58/mth
Min. cost $58
#6
ALDI mobile
ALDI mobile

$59 Mobile Plan

  • 175GB data at download speeds up to 250Mbps
$59
Per 30 Day Renewal
Link not supplied
#7
Boost Mobile
Boost Mobile

$59 Prepaid

  • 120GB data at download speeds up to 250Mbps
  • Deal: Get 120GB data for the first 3 recharges, then 45GB from 4th recharge. New customers only. Activate by 07.07.25
$59
Per 28 Day Renewal
#8
Telstra
Telstra

$59 Pre-Paid Mobile

  • 100GB data at download speeds up to 250Mbps
  • Deal: Includes 65GB bonus data on first 3 recharges.
$59
Per 28 Day Renewal
Link not supplied
#9
Everyday Mobile
Everyday Mobile

$60 SIM Only

  • 150GB data at download speeds up to 250Mbps
  • Deal: 10% off for Everyday Rewards members + more!
$60/mth
Min. cost $60
Link not supplied
#10
Exetel
Exetel

ExeSim Max 5G Plan

  • 150GB data at download speeds up to 250Mbps
$60
Per 30 Day Renewal
Link not supplied

Uncapped mobile plans


Until recently, uncapped plans were the industry standard. An uncapped plan allows download speeds as fast as your network type and network coverage allow. For example, we've seen speeds over 1Gbps on the Telstra 5G network. 

The speeds you get on an uncapped plan will depend on your provider, your coverage, and your device. While an uncapped Telstra plan can get stupidly fast speeds on 5G, an uncapped plan from Vodafone with a 4G-only device might only get you speeds as fast as 100Mbps, for example. 

If you're picking between a plan with a speed cap and an uncapped plan on the same provider, we'd typically recommend the capped plan - unless you need the extra data on offer from uncapped plan. 

Here's a selection of uncapped mobile plans with at least 20GB: 

#1
Catch Connect
Catch Connect

28 Day Plan - 15GB

  • 25GB data
  • Deal: Get 25GB (15GB + 10GB bonus) for the first 12 recharges! Recharges $20/15GB. New customers only. Offer ends 30.04.25
$20
Per 28 Day Renewal
Link not supplied
#2
Lyca Mobile
Lyca Mobile

Unlimited 20

  • 20GB data
  • Deal: $6 for first month + incl. 10GB bonus data on activation and first 2 renewals. Offer ends 30.04.25
$20
Per 28 Day Renewal
Link not supplied
#3
Kogan Mobile
Kogan Mobile

Medium Monthly Plan

  • 40GB data
  • Deal: Get 50GB for $10 for first month (includes $15 off + 10GB bonus data), then 40GB for $25 thereafter, valid until 27.04.25
$25
Per 1 Month Renewal
#4
Coles Mobile
Coles Mobile

Prepaid $25 for 28 Days

  • 22GB data
$25
Per 28 Day Renewal
Link not supplied
#5
Dodo
Dodo
Editor's Pick

$28 Mobile Plan

  • 30GB data
  • Deal: 50% off for first 3 mths! Get the $28 Mobile Plan for $14/mth for the first 3 mths. New customers only. Offer ends 06.05.25
$28/mth
Min. cost $14
#6
Vodafone
Vodafone

$35 Prepaid Plus Recharge

  • 25GB data
  • Deal: Get $5 off every Automatic Recharge when you opt-in to Automatic Recharge
$35
Per 28 Day Renewal
Link not supplied
#7
Moose Mobile
Moose Mobile

Moose 55.80 SIM Only

  • 220GB data
  • Deal: Get 220GB for $45.80 – Includes $10 off for first 6 months, then reverts to $55.80. Offer ends 31.05.25
$45.80/mth
Min. cost $45.80
Link not supplied
#8
SpinTel
SpinTel

$50 Mobile Plan

  • 200GB data
$50/mth
Min. cost $50
#9
Optus
Optus

$55 Optus Choice Plus Plan

  • 50GB data
$55/mth
Min. cost $55
#10
Swoop
Swoop

220GB SIM Only 5G

  • 220GB data
$60/mth
Min. cost $60
Link not supplied

How to check your current mobile internet speed?


You can use the tool below to find out what internet speeds you're currently receiving on your phone. Just make sure you disconnect from your WiFi so you're actually testing your mobile connection, rather than your internet. 

Internet Speed Test

Is your internet fast enough? Test internet speeds at your location with a single click.

What affects mobile internet speeds?


Mobile internet speeds are far more prone to fluctuation than NBN speeds. Just because you're paying for a 100Mbps plan doesn't mean you'll see 100Mbps all the time. 

By and large, two main factors impact mobile internet speeds: coverage and congestion. 

If you're in a poor coverage area or too far away from a mobile tower, you're going to see slower speeds than you would in ideal conditions. Similarly, if too many people are using your mobile network of choice at the same time, you might experience slower speeds due to congestion. 

The device you're using and whether you're connected to a 4G or 5G network will also impact your mobile speeds. 

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Looking for a new NBN plan?

These are the most popular NBN 50 plans with WhistleOut users this week:

#1
Exetel
Exetel

Extra-value nbn50

  • nbn® 50/17 Mbps
  • Unlimited Data
  • Deal: Includes $19/mth off for first 6 months - $60.99/mth for first 6 months, then $79.99/mth.
$60.99/mth
Min. cost $60.99
#2
Tangerine Telecom
Tangerine Telecom

Value Plus NBN

  • nbn® 50/17 Mbps
  • Unlimited Data
  • Deal: Includes $23/mth off for the first 6 mths, $59.90/month for first 6 months, then $82.90/month + 3 months BINGE. Ends 30.06.25
$59.90/mth
Min. cost $59.90
#3
Buddy Telco
Buddy Telco
Editor's Pick

Value nbn - Unlimited

  • nbn® 49/16 Mbps
  • Unlimited Data
  • Deal: $63/month for first 6 months, then $75/month. Use promo code BUDDY50. Offer ends 18.05.25
$63/mth
Min. cost $63
#4
TPG
TPG

nbn50 Unlimited Plan

  • nbn® 50/17 Mbps
  • Unlimited Data
  • Deal: Get Price Beat Guarantee + $69.99/mth for first 6 months, then $84.99/mth. T&Cs apply.
$69.99/mth
Min. cost $69.99
#5
Kogan Internet
Kogan Internet

Silver Unlimited

  • nbn® 50/17 Mbps
  • Unlimited Data
  • Deal: $59.90/mth for first 6 months and revert back to $78.90/mth thereafter. Offer ends 30.05.25
$59.90/mth
Min. cost $59.90
#6
iiNet
iiNet

nbn50 Liimitless

  • nbn® 50/17 Mbps
  • Unlimited Data
  • Deal: Includes $15/mth off for 6 mths – $69.99/mth for first 6 months, then $84.99/mth. Use code SAVE15FOR6. Ends 06.05.25
$69.99/mth
Min. cost $69.99
#7
Dodo
Dodo

nbn50 Unlimited Plan

  • nbn® 50/17 Mbps
  • Unlimited Data
  • 12mths Deal: Incl. $15/mth discount for 12 months based on the standard price $83.90/mth*. Ends 29.04.25. T&Cs apply.
$68.90/mth
Min. cost $68.90
#8
Superloop
Superloop

Extra-value nbn50/20

  • nbn® 50/17 Mbps
  • Unlimited Data
  • Deal: Incl. $14/mth off for 6 months! $67/mth for 6 mths, then $81/mth + Free Amazon eero 6+ if you stay connected for 24 mths
$67/mth
Min. cost $67
#9
Telstra
Telstra

Upfront Internet Plan Essential

  • nbn® 50/17 Mbps
  • Unlimited Data
$105/mth
Min. cost $105
Link not supplied
#10
iPrimus
iPrimus

Standard Plus nbn50 Plan

  • nbn® 50/17 Mbps
  • Unlimited Data
$84/mth
Min. cost $84

Compare phones and plans from the following carriers...

  • TPG
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  • Optus
  • Vodafone
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  • Kogan Mobile
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  • iiNet
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  • felix mobile
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  • Boost Mobile
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  • Catch Connect
  • Belong
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  • Dodo
  • SpinTel
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  • Tangerine Telecom
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  • Lebara Mobile
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  • Telstra
  • ALDI mobile
  • Superloop
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  • Yomojo
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  • Moose Mobile
  • Everyday Mobile
  • amaysim
  • Lyca Mobile
  • Coles Mobile
  • Swoop
  • Aussie Broadband
  • AGL
  • Southern Phone
  • Exetel

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