Consumer expectations around digital bookings have reached a tipping point. As wellness and fitness apps become routine fixtures in daily life, the pressure on software platforms to deliver frictionless payment experiences has never been greater — and the cost of getting it wrong is measurable.

New research examining the UK's booming app-based personal services economy lays out the stakes clearly: checkout quality now directly influences whether a transaction is completed, whether a customer returns, and whether a small business can build lasting loyalty through a digital platform.

A market too large to get wrong

British consumers collectively spend an estimated £15bn (roughly US$19.6bn) each year booking personal services through SaaS platforms and apps. The fitness sector sits at the heart of this surge, with nearly a third of UK adults now using digital platforms to book fitness-related services — from individual class slots to full gym memberships.

What makes this figure significant is not just its size, but its trajectory. The appetite for app-based bookings is still accelerating, shaped heavily by a generational shift in how people discover, schedule and pay for services they use regularly.

Younger generations are setting the standard

Gen Z and Millennials together account for around half of total UK spend in this space, contributing approximately £7.5bn per year to wellness and fitness platforms. More telling than the volume is the direction of travel: over half of Gen Z users and half of Millennials report using booking apps more frequently than they did just two years ago.

This is not a transitional phase. For these cohorts, booking via an app is the default, not the exception. That habitual usage — 60% of those surveyed say they use digital booking methods regularly — is reshaping what both consumers and the small businesses serving them expect from the platforms they rely on.

The checkout moment defines the entire experience

No matter how polished a platform's interface or how comprehensive its booking tools, the experience ultimately lives or dies at the point of payment. The research findings here are unambiguous: 71% of consumers say a poor payment process would cause them to abandon a booking entirely, 42% actively select platforms based on whether they offer payments that feel simple and secure, and 84% expect a full refund within 48 hours if a class or service is cancelled.

Grant Evans, Head of Sales for Integrated and Platforms at Global Payments, frames the stakes directly for software developers operating in this environment. The fitness app economy, he argues, represents an enormous opportunity — but only for those with the right technology underpinning the experience. Payments, in his view, are often the decisive moment in any transaction, and platforms that cannot deliver on that moment will struggle to win or keep either consumers or the businesses listing on their platform.

Payments are often the make-or-break moment in a transaction — and platforms must get that right if they want to win the trust of growing businesses. — Grant Evans, Head of Sales, Integrated & Platforms, Global Payments

Small businesses need platforms that convert, not just list

The research highlights an often-overlooked dimension of the embedded payments conversation: its direct impact on independent operators. One in eight consumers surveyed now uses booking platforms as a discovery tool specifically to find and support local businesses — making these platforms a genuine acquisition channel for small and medium-sized enterprises.

But discovery alone does not generate revenue. The data shows that 36% of independent personal services businesses in the UK want their software to offer stronger payment management capabilities. For a local gym owner or wellness studio, the ability to process bookings, collect payments and issue rapid refunds through a single platform is not a feature request — it is the basis on which they decide which software to trust with their business.

SweatBox Dundee, a fitness studio whose owner worked with Global Payments, illustrates the point in practice. The ability to let clients find the studio, book classes and pay entirely online freed up the founder to focus on coaching and in-person engagement rather than administrative overhead — turning the platform from a scheduling tool into an engine for community building and repeat business.

SaaS platforms must evolve into financial ecosystems

The convergence of software and payments is no longer a future consideration for SaaS providers — it is an immediate commercial reality. Platforms that confine themselves to booking and scheduling risk being displaced by those that offer a complete financial layer: integrated checkouts, automated refunds, revenue reporting and, increasingly, the kind of multi-currency or cross-border capability that growing businesses require.

For platform providers, the logic is compounding. Capturing a larger share of the growing consumer spend requires earning the loyalty of the SMB clients who list their services on the platform. And earning that loyalty depends on proving that the platform can turn first-time bookers into repeat customers — which, at the moment of truth, comes down entirely to how the payment feels.