Thumb Score: +28 Store.Bitdefender.com has Bitdefender Total Security 2018 (1-Year/5-Devices Digital Download) on sale for $89.99 - $70 Special Offer Promo (automatically deducted) = $19.99. Thanks hexa_code Note, be sure to click the link to receive special offer pricing. Deal Editor's Notes & Price Research: This software is compatible for Windows, Mac OS, iOS and Android devices.