These prices were checked on 14 October 2026, more than 30 days ago. Check the provider's page before you buy.
Optus · Postpaid SIM-only · Optus network
Optus Promo Plan
$69 a month to start, then $79, 360GB a month. Nothing we track with as much data costs less in the first year.
- First year
- $828
- Two years
- $1,776
- Average a month
- $69
- Per GB, year one
- $0.19
Year two: $948 ($120 more)
The deal
$69 a month for 12 months
Plan is $69 a month for 12 months, then $79 a month or as notified. Bonus value offers available until withdrawn. Optus's page doesn't say whether existing customers qualify.
When the deal ends, the plan carries on at $79 a month. Set a reminder and we'll email you two weeks before.
What you get
- Data
- 360GB a month. Slowed to 1.5Mbps, never charged.
- Calls and texts
- Unlimited standard national talk and text
- Overseas calls
- Unlimited calls to selected countries. Unlimited standard international talk and text to 35 destinations
- Roaming
- Daily Roaming: $5 a day with 5GB of data in Zone 1 destinations
- Renews
- Postpaid bill a month
- Features
- 5G, eSIM, Data sharing, No lock-in
- Extras (not counted in the price)
- $10 a month credit for subscriptions of your choice for 12 months (SubHub)
- Save up to 10% on subscriptions through SubHub
We couldn't find this plan's own Critical Information Summary. Check it on Optus's page before you buy.
Plans with similar data
Plans with 180GB to 540GB a month, cheapest first year first.
| # | Plan | Data a month | First year | Two years |
|---|---|---|---|---|
| 1 | OptusPromo | 360GB | $828 | $1,776 |
| 2 | OptusMedium | 240GB | $840 | $1,680 |
| 3 | TelstraEssential | 180GB | $1,008 | $2,016 |
| 4 | OptusLarge | 480GB | $1,080 | $2,160 |
| 5 | TelstraPremium | 300GB | $1,188 | $2,376 |
Head to head
Your first year, payment by payment
12 payments in your first year, 12 with the deal price. That adds up to $828, which is $120 less than paying full price all year ($948).
| Payment | Day | You pay | Data |
|---|---|---|---|
| 1 | 0 | $69 (deal) | 360GB |
| 2 | 30 | $69 (deal) | 360GB |
| 3 | 61 | $69 (deal) | 360GB |
| 4 | 91 | $69 (deal) | 360GB |
| 5 | 122 | $69 (deal) | 360GB |
| 6 | 152 | $69 (deal) | 360GB |
| 7 | 183 | $69 (deal) | 360GB |
| 8 | 213 | $69 (deal) | 360GB |
| 9 | 243 | $69 (deal) | 360GB |
| 10 | 274 | $69 (deal) | 360GB |
| 11 | 304 | $69 (deal) | 360GB |
| 12 | 335 | $69 (deal) | 360GB |
When the data runs out
When the 360GB runs out, you're slowed to 1.5Mbps instead of being cut off or charged. That is enough for messages and maps, but slow for video. Whether unused data carries over is not recorded for this plan, so check the Critical Information Summary.
Is it good value?
- Year one works out at $0.19 a GB, the 1st cheapest of the 27 plans we track.
- Most of the saving comes from the deal: without it, the first year would cost $948.
- There is no lock-in contract, so you can leave when a cheaper plan turns up.
- Unlimited standard international talk and text to 35 destinations.
Questions people ask
What network does Optus Promo use?
Optus uses the Optus network. It runs its own network. Check Optus's coverage map for your street.
What happens when the deal ends?
Plan is $69 a month for 12 months, then $79 a month or as notified. Bonus value offers available until withdrawn. Optus's page doesn't say whether existing customers qualify. After that the plan costs $79 a month.
Can I use it overseas?
Daily Roaming: $5 a day with 5GB of data in Zone 1 destinations.
Is there a contract?
No. It has no lock-in contract. It renews on your monthly bill.
How was this checked?
On 14 October 2026, from Optus's own pages. Prices older than 30 days are hidden from the comparison. We are not paid by providers to rank them.
Sources
Checked 14 October 2026 on Optus's own pages: Optus SIM-only plans. Always read the Critical Information Summary before you buy.