Delegent AI is an AI coworker app that works inside people's own apps: it sorts and drafts email, writes invoices, quotes and letters as PDFs, plans trips, checks the live web and acts in 35 connected apps including Gmail, Outlook, Slack, Notion, HubSpot, QuickBooks and Shopify. Voice, memory and a referral programme built in. Live on Google Play, the App Store and the web. Free first month, then GBP 3.99 a month.