UK Ecommerce Mobile App Statistics and Benchmarks for 2026 Last updated: May 2026 | Reading time: 8 minutes This reference guide compiles the most commercially relevant UK ecommerce mobile app statistics for 2026 — conversion rates, push notification benchmarks, install costs, retention rates, and revenue contribution data. UK mobile commerce context Mobile share of UK ecommerce: 65-72% of UK online retail traffic Mobile web conversion rate: 1.8-2.4% vs desktop 3.5-4.5% iOS vs Android in UK premium fashion: iOS accounts for 60-70% of traffic and 65-75% of revenue for premium brands (£100+ AOV) App install benchmarks Meta App Install campaigns: £0.80-£2.50 CPI Google UAC: £1.00-£3.00 CPI Email list install rate: 8-18% within 4 weeks of a well-executed launch campaign Post-purchase redirect conversion: 15-25% of mobile purchasers Packaging insert conversion: 3-8% of recipients Push notification benchmarks Notification type Open rate Transactional (order/shipping) 85-95% Back-in-stock (specific opt-in) 48-65%…