Just got this offer in an email, should be stackable with other kogan offers:
**5% off everything is only available on purchases made through the Kogan iOS or Android App. Kogan.com has millions of items available for sale, and some current website prices may change while this offer is available, and/or may have changed recently. Promotion applies to prices at time of checkout, as displayed at checkout. The discount cannot be used in conjunction with any other offers. The Kogan iOS App is available for free on the Apple App Store or Google Play Store. Offer ends 4 December 2020 at 11:59PM (AEST) unless extended.