This deal from May is back again. It's been mentioned in comments a few times in the past few days, so I cloned the Amazon App and signed in with my test account to verify it. Thanks to MQuimby and those other users who have mentioned it in deal comments these past few days.
If you sign in via the redeem the offer link you will see if you are eligible or not:
Congratulations! You are eligible for this offer.
Get $10 off when you spend $39 or more on eligible items through the Amazon Shopping mobile app. Apply
APPONLY10at the checkout. T&Cs apply.
Note: Items that qualify have this text under the price: "Get $10.00 off only on the Amazon mobile app"
Important: Only works on items shipped AND sold by Amazon AU. Items sold by a 3rd party seller, including Amazon UK or Amazon US are excluded.
Example Deal Picks (Price Includes $10 off)
Razer Viper Ambidextrous Gaming Mouse - $57.50 Delivered
Philips Multigroom Series 5000 11-in-1 Grooming Kit - $49 Delivered
Kingston 500GB A2000 M.2 2280 NVMe - $74 Delivered
LEGO Harry Potter Advent Calendar - $45 Delivered
Razer BlackWidow Chroma Green Switch Mechanical Gaming Keyboard - $129.10 Delivered
Razer Kraken Tournament Edition Gaming Headset (Black) - $89 Delivered
SanDisk Extreme microSDXC 400GB UHS-I Class 3 with SD Adaptor - $79 Delivered
Crucial MX500 500GB (SATA 2.5-Inch) $69 Delivered
[PS4, XB1, Pre Order] Tony Hawk's Pro Skater 1 & 2 - $39 Delivered
[Switch] Super Smash Bros. Ultimate - $59 Delivered
[PS4] The Last of Us Part II - $45 Delivered
These terms and conditions apply whereby any existing customer of amazon.com.au who has not previously made a purchase through the Amazon App (Australia store) and has either been invited from Amazon or who has clicked through on site marketing whilst signed into their Amazon customer account, is eligible to receive $10 off their first purchase of over $39 of “eligible items” made on the Amazon App (Australia store) only ("offer"). For the purpose of these terms and conditions "eligible items" refers to any product shipped and sold by Amazon AU on the Amazon app and excludes products sold by third party sellers (even if fulfilled by Amazon, or sold by Amazon US), digital purchases such as e-books, subscriptions such as prime video and audible, gift cards and postage or delivery rates. Amazon's standard delivery rates and policies apply to any purchase made pursuant to the offer. To redeem the offer, visit https://www.amazon.com.au/b?node=7293361051 and follow the instructions to redeem. Once you have added at least $39 of eligible items to your cart, your $10 total discount will be automatically applied to eligible items at checkout. If you do not add any eligible items to your cart, the offer will not apply. If you return any item purchased using the offer, Amazon will only refund the price actually paid for the item (that is, less the value of the offer) and the offer will be invalidated. The offer is not transferable and may not be resold. This offer cannot be used on pre-existing orders or orders placed with 1-click. If you violate any terms and conditions of the offer, the offer will be invalid, and the discount will not apply. This offer cannot be used in conjunction with any other offer or code for new customers or Amazon devices. The offer is subject to availability and Amazon reserves the right to cancel, amend or withdraw the offer at any time at its discretion. Amazon.com.au’s Conditions of Use and Sale apply. The offer is valid until 23:59 (AEST) on
27 Sept31 Oct 2020 unless withdrawn earlier.
Extended until 31/10. 30/11 Thanks dealbot.