Small business invoicing has become more efficient and essential than ever, especially with the UK’s Making Tax Digital 2026 initiative pushing for digital record keeping HMRC. Choosing the right invoicing app UK can help self-employed workers, freelancers, and tradespeople manage VAT software requirements, track payments, and get paid faster. This review compares the best invoicing apps available in 2026, focusing on features, pricing, pros and cons, and which types of busin