Optus prepaid plans are getting more expensive when September ends

Alex Choros - Managing Editor + Group Telco Editor

Last updated 24 July 2026

Optus has confirmed it will be increasing pricing for its prepaid plans from September 30. All 28-day recharges will get a $5 per recharge price increase, but Optus is also throwing in a bit more data. Seven-day and long-expiry plans will also be getting more expensive.

Here's how Optus' prepaid plan range will look at the end of September:

Expiry	Old Pricing	New Pricing
7 days	$13 for 5GB	$15 for 6GB
28 days	$39 for 35GB	$44 for 35GB
28 days	$49 for 35GB	$54 for 45GB
28 days	$59 for 45GB	$64 for 55GB
186 days	$180 for 90GB	$200 for 100GB
365 months	$350 for 220GB	$395 for 240GB

While Optus' seven-day and long-expiry plans currently have a speed cap of 250Mbps, Optus will be removing this with its plan changes.

Customers on a current generation Flex Plus prepaid plan will pay the new amount from their first recharge after September 30. In addition, Optus is retiring a "number of legacy prepaid mobile plans" from August 24 and moving those customers over to Flex Plus prepaid plans. Optus has said it will start notifying impacted customers from today.

Optus is the last of the Big Three telcos to increase its prepaid pricing this year. Vodafone's prepaid plans got a price hike in April, and Telstra followed in May.

Optus' price increase will put its pricing tiers broadly in line with Telstra, but with higher data allowances. Conversely, Vodafone's prepaid plans tend to be a little cheaper, but with a smaller data allowance.

Of course, looking outside of the Big Three providers tends to be the best for cheaper mobile plans. Here's a selection of popular mobile plans from smaller providers in the WhistleOut database, sorted by price point.

SpinTel Editor's Pick	SpinTel Editor's Pick $23 Mobile Plan 25GB data at download speeds up to 150Mbps Optus 5G in selected areas with 5G devices ex. NT WhistleOut Special: Enjoy $11 off for the first 6 months for new customers - $12/mth for first 6 months, then $23/mth $12.00/mth Min. cost $12 Go to Site	$12.00/mth Min. cost $12	Go to Site
felix mobile	felix mobile felix Unlimited Mobile Plan Unlimited data at download speeds up to 40Mbps On the Vodafone 5G/4G Mobile Network Deal: $20/mth for first 6 mths. Reverts to $40/month. Use promo code UNL40. Ends 30.11.26. T&Cs apply $20.00 Per 1 Month Renewal Go to Site	$20.00 Per 1 Month Renewal	Go to Site
Dodo Editor's Pick	Dodo Editor's Pick Medium Mobile Plan 40GB data at download speeds up to 150Mbps Optus 5G in selected areas (exc NT) with a 5G device Deal: 50% off! Get the Medium Mobile Plan for $15/mth for first 6 mths, then $30/mth. New and returning mobile customers only. Ends 08.12 $15.00/mth Min. cost $15 Go to Site	$15.00/mth Min. cost $15	Go to Site
Moose Mobile	Moose Mobile Moose 30GB SIM Only 30GB data at download speeds up to 150Mbps On the Vodafone 4G Mobile Network Deal: Get 30GB for $14 – Includes $9 off for first 6 months, then reverts to $23. Offer ends 30.06.27 $14.00/mth Min. cost $14 Go to Site	$14.00/mth Min. cost $14	Go to Site
Swoop	Swoop 30GB SIM Only 5G 30GB data at download speeds up to 150Mbps Vodafone 5G Network in selected areas with 5G devices Deal: Includes $11 off for first 6 months - $14/mth for first 6 months then $25/mth after that. Offer ends 30.06.27 $14.00/mth Min. cost $14 Go to Site	$14.00/mth Min. cost $14	Go to Site
Dodo	Dodo Large Mobile Plan 80GB data at download speeds up to 150Mbps Optus 5G in selected areas (exc NT) with a 5G device Deal: 50% off! Get the Large Mobile Plan for $20/mth for first 6 mths, then $40/mth. New and returning mobile customers only. Ends 08.12 $20.00/mth Min. cost $20 Go to Site	$20.00/mth Min. cost $20	Go to Site
Moose Mobile	Moose Mobile Moose 50GB SIM Only 50GB data at download speeds up to 150Mbps Vodafone 5G Network in selected areas with 5G devices Deal: Get 50GB for $17– Includes $13 off for first 6 months, then reverts to $30. Offer ends 30.06.27 $17.00/mth Min. cost $17 Go to Site	$17.00/mth Min. cost $17	Go to Site
TPG	TPG 30GB Small Plan 30GB data at download speeds up to 150Mbps Vodafone 5G Network in selected areas with 5G devices Deal: 50% off - $15/mth for first 6 months, then $30/mth ongoing. Available until withdrawn. T&Cs apply. $15.00 Per 1 Month Renewal Link not supplied	$15.00 Per 1 Month Renewal	Link not supplied
Lyca Mobile Editor's Pick	Lyca Mobile Editor's Pick Unlimited Plan S 50GB data at download speeds up to 100Mbps Vodafone 5G Network in selected areas with 5G devices Deal: $15 for first 6 renewals when you activate this plan. Offer ends 31.12.26. T&Cs apply $15.00 Per 28 Day Renewal Link not supplied	$15.00 Per 28 Day Renewal	Link not supplied
iiNet	iiNet 50GB Medium Plan 50GB data at download speeds up to 150Mbps Vodafone 5G Network in selected areas with 5G devices Deal: 50% off - $17.50/mth for first 6 months, then $35/mth ongoing. Available until withdrawn. T&Cs apply. $17.50 Per 1 Month Renewal Link not supplied	$17.50 Per 1 Month Renewal	Link not supplied

felix mobile	felix mobile felix Unlimited Mobile Plan Unlimited data at download speeds up to 40Mbps On the Vodafone 5G/4G Mobile Network Deal: $20/mth for first 6 mths. Reverts to $40/month. Use promo code UNL40. Ends 30.11.26. T&Cs apply $20.00 Per 1 Month Renewal Go to Site	$20.00 Per 1 Month Renewal	Go to Site
Tangerine Telecom	Tangerine Telecom 15GB 5G Mobile SIM 15GB data at download speeds up to 150Mbps Uses parts of Telstra’s 5G and 4G mobile networks Deal: Bundle your mobile and nbn plans on the same account to get 10% off your mobile SIM-only plan fees. T&Cs apply. $30.00/mth Min. cost $30 Go to Site	$30.00/mth Min. cost $30	Go to Site
Moose Mobile	Moose Mobile Moose 100GB SIM Only 100GB data at download speeds up to 150Mbps Vodafone 5G Network in selected areas with 5G devices Deal: Get 100GB for $22– Includes $18 off for first 6 months, then reverts to $40. Offer ends 30.06.27 $22.00/mth Min. cost $22 Go to Site	$22.00/mth Min. cost $22	Go to Site
Dodo	Dodo Large Mobile Plan 80GB data at download speeds up to 150Mbps Optus 5G in selected areas (exc NT) with a 5G device Deal: 50% off! Get the Large Mobile Plan for $20/mth for first 6 mths, then $40/mth. New and returning mobile customers only. Ends 08.12 $20.00/mth Min. cost $20 Go to Site	$20.00/mth Min. cost $20	Go to Site
SpinTel	SpinTel $29 Mobile Plan 50GB data at download speeds up to 150Mbps Optus 5G in selected areas with 5G devices ex. NT $29.00/mth Min. cost $29 Go to Site	$29.00/mth Min. cost $29	Go to Site
ALDI mobile	ALDI mobile $28 Mobile Plan 12GB data at download speeds up to 150Mbps Uses parts of Telstra’s 5G and 4G mobile networks $28.00 Per 30 Day Renewal Link not supplied	$28.00 Per 30 Day Renewal	Link not supplied
Boost Mobile	Boost Mobile $28 Prepaid 8GB data at download speeds up to 150Mbps Telstra 5G Network in selected areas with 5G devices $28.00 Per 28 Day Renewal Go to Site	$28.00 Per 28 Day Renewal	Go to Site
amaysim	amaysim UNLIMITED 15GB Plan 15GB data at download speeds up to 150Mbps Optus 5G in selected areas with 5G devices ex. NT Deal: Save $19 for first renewal when you sign up by 11.12.26. New online services only. $30.00 Per 28 Day Renewal Go to Site	$30.00 Per 28 Day Renewal	Go to Site
Swoop	Swoop 120GB SIM Only 5G 120GB data at download speeds up to 150Mbps Vodafone 5G Network in selected areas with 5G devices Deal: Includes $10 off for first 6 months - $30/mth for first 6 months then $40/mth after that. Offer ends 30.06.27 $30.00/mth Min. cost $30 Go to Site	$30.00/mth Min. cost $30	Go to Site
Superloop	Superloop SuperSim Saver 5G Plan 15GB data at download speeds up to 150Mbps Uses parts of Telstra’s 5G and 4G mobile networks Deal: FREE 2nd recharge for existing Superloop broadband customers or new customers signing up for a mobile & broadband service $30.00 Per 30 Day Renewal Go to Site	$30.00 Per 30 Day Renewal	Go to Site

Boost Mobile	Boost Mobile $39 Prepaid 80GB data at download speeds up to 150Mbps Telstra 5G Network in selected areas with 5G devices Deal: Grab a $39 SIM for $12 – save $27. Hurry! Offer ends 30.11.26. Terms Apply $39.00 Per 28 Day Renewal Go to Site	$39.00 Per 28 Day Renewal	Go to Site
Tangerine Telecom	Tangerine Telecom 15GB 5G Mobile SIM 15GB data at download speeds up to 150Mbps Uses parts of Telstra’s 5G and 4G mobile networks Deal: Bundle your mobile and nbn plans on the same account to get 10% off your mobile SIM-only plan fees. T&Cs apply. $30.00/mth Min. cost $30 Go to Site	$30.00/mth Min. cost $30	Go to Site
Exetel	Exetel Plus One eSIM Plan 130GB data at download speeds up to 150Mbps Uses parts of Telstra’s 5G and 4G mobile networks $40.00 Per 30 Day Renewal Go to Site	$40.00 Per 30 Day Renewal	Go to Site
Optus	Optus $60 Optus Choice Plus Plan 100GB data Optus 5G in selected areas (exc NT) with a 5G device Deal: $39/mth and 100GB/mth for first 12 months, then 60GB/mth and $60/mth or as notified. New services. Ends 12.11.26. Terms apply. $39.00/mth Min. cost $39 Go to Site	$39.00/mth Min. cost $39	Go to Site
amaysim	amaysim UNLIMITED 15GB Plan 15GB data at download speeds up to 150Mbps Optus 5G in selected areas with 5G devices ex. NT Deal: Save $19 for first renewal when you sign up by 11.12.26. New online services only. $30.00 Per 28 Day Renewal Go to Site	$30.00 Per 28 Day Renewal	Go to Site
Swoop	Swoop 120GB SIM Only 5G 120GB data at download speeds up to 150Mbps Vodafone 5G Network in selected areas with 5G devices Deal: Includes $10 off for first 6 months - $30/mth for first 6 months then $40/mth after that. Offer ends 30.06.27 $30.00/mth Min. cost $30 Go to Site	$30.00/mth Min. cost $30	Go to Site
Superloop	Superloop SuperSim Saver 5G Plan 15GB data at download speeds up to 150Mbps Uses parts of Telstra’s 5G and 4G mobile networks Deal: FREE 2nd recharge for existing Superloop broadband customers or new customers signing up for a mobile & broadband service $30.00 Per 30 Day Renewal Go to Site	$30.00 Per 30 Day Renewal	Go to Site
Belong	Belong 25GB Mobile Plan 50GB data at download speeds up to 150Mbps Uses parts of Telstra’s 5G and 4G mobile networks Deal: Includes 25GB monthly bonus data for first 12 months when you activate your new service by 30.11.26. T&Cs apply. $34.00/mth Min. cost $34 Link not supplied	$34.00/mth Min. cost $34	Link not supplied
SpinTel	SpinTel $35 Mobile Plan 100GB data at download speeds up to 150Mbps Optus 5G in selected areas with 5G devices ex. NT $35.00/mth Min. cost $35 Go to Site	$35.00/mth Min. cost $35	Go to Site
Kogan Mobile	Kogan Mobile Large Monthly Plan 80GB data Vodafone 5G Network in selected areas with 5G devices $40.00 Per 30 Day Renewal Go to Site	$40.00 Per 30 Day Renewal	Go to Site

Superloop	Superloop SuperSim Plus 5G Plan 130GB data at download speeds up to 150Mbps Uses parts of Telstra’s 5G and 4G mobile networks Deal: FREE 2nd recharge for existing Superloop broadband customers or new customers signing up for a mobile & broadband service $50.00 Per 30 Day Renewal Go to Site	$50.00 Per 30 Day Renewal	Go to Site
Vodafone	Vodafone $58 Small SIM Only Plan 65GB data Vodafone 5G Network in selected areas with 5G devices Deal: Includes $13/mth off plan fees for first 12 months when you stay connected to this plan. Ends 16.11.26. T&Cs apply. $45.00/mth Min. cost $45 Link not supplied	$45.00/mth Min. cost $45	Link not supplied
SpinTel	SpinTel $47 Mobile Plan 200GB data at download speeds up to 250Mbps Optus 5G in selected areas with 5G devices ex. NT $47.00/mth Min. cost $47 Go to Site	$47.00/mth Min. cost $47	Go to Site
Belong	Belong 100GB Mobile Plan 200GB data at download speeds up to 150Mbps Uses parts of Telstra’s 5G and 4G mobile networks Deal: Includes 100GB monthly bonus data for first 12 months when you activate your new service by 30.11.26. T&Cs apply. $49.00/mth Min. cost $49 Link not supplied	$49.00/mth Min. cost $49	Link not supplied
Optus	Optus Optus Prepaid $44 SIM 110GB data Optus 5G in selected areas (exc NT) with a 5G device Deal: $13 SIM deal - 1st 28 days only. Make the smart move to Optus. New services and online only. Ends 6/12/26. Terms apply. $44.00 Per 28 Day Renewal Go to Site	$44.00 Per 28 Day Renewal	Go to Site
ALDI mobile	ALDI mobile $49 Mobile Plan 120GB data at download speeds up to 150Mbps Uses parts of Telstra’s 5G and 4G mobile networks $49.00 Per 30 Day Renewal Link not supplied	$49.00 Per 30 Day Renewal	Link not supplied
Lebara Mobile	Lebara Mobile $50 SIM Plan 250GB data at download speeds up to 150Mbps Vodafone 5G Network in selected areas with 5G devices Deal: Get the $50 SIM for $19 online until 03.12.26 + Includes 125GB bonus data for first 3 recharges $50.00 Per 28 Day Renewal Link not supplied	$50.00 Per 28 Day Renewal	Link not supplied
amaysim	amaysim UNLIMITED 120GB Plan 120GB data at download speeds up to 200Mbps Optus 5G in selected areas with 5G devices ex. NT $50.00 Per 28 Day Renewal Go to Site	$50.00 Per 28 Day Renewal	Go to Site
Telstra	Telstra $44 Pre-Paid Mobile 65GB data at download speeds up to 150Mbps Telstra 5G Network in selected areas with 5G devices Deal: Includes 45GB activation bonus for first 3 recharges, 20GB from your fourth. Activate by 15.02.2027 $44.00 Per 28 Day Renewal Link not supplied	$44.00 Per 28 Day Renewal	Link not supplied
Boost Mobile	Boost Mobile $49 Prepaid 110GB data at download speeds up to 150Mbps Telstra 5G Network in selected areas with 5G devices Deal: Get 110GB data on first 3 recharges, then 45GB from 4th recharge. New customers only. Activate by 15.02.27 $49.00 Per 28 Day Renewal Go to Site	$49.00 Per 28 Day Renewal	Go to Site

Alex Choros

Managing Editor + Group Telco Editor | X | Instagram | Threads | LinkedIn

Alex Choros is the Managing Editor of WhistleOut Australia and an award-winning journalist. He's been writing about consumer technology for over a decade and is an expert on the Australian telco sector, to the point where he knows far too many phone and internet plans by heart. In addition to leading the WhistleOut editorial team, Alex is responsible for ruining the office Sonos with his troubled taste in music.

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