The best personal trainer alternatives in the UK (and what they cost)

Why people look for a personal trainer alternative

A good personal trainer works — the problem is almost always the price. At £40–£60 a session, two or three times a week, you are looking at hundreds of pounds a month. For most people in the UK that is simply not sustainable, so they go hunting for a personal trainer alternative that gives them the coaching without the bill.

Here are the realistic options, with honest trade-offs.

Option 1: Group classes and bootcamps

Cheaper per session and good for energy and accountability. The downside: nothing is built around you. The plan is one-size-fits-all, progression is generic, and there is no nutrition side. Fine for fitness, weak for a specific goal like fat loss or strength.

Option 2: Online human coaching

A real coach programming for you remotely, usually over an app with weekly check-ins. Better personalisation than classes, cheaper than in-person PT, but still typically £100–£300+ a month and dependent on one person’s time and response speed.

We compare the numbers in AI fitness coach vs personal trainer.

Option 3: AI fitness coaching

The newest option, and the cheapest that still personalises everything. An AI fitness coach builds your training, nutrition, cardio and recovery around your goal and adapts daily — for around £19.99/mo rather than hundreds. It will not correct your squat by hand, but for programming and staying on track it does the core PT job.

If cost is the thing that has been stopping you, this is usually the alternative that actually gets used.

Which alternative should you pick?

Classes for cheap group energy. Online human coaching if you want a named person and can afford it. AI coaching if you want full personalisation across training and nutrition at the lowest price — and you are happy to be self-driven.

Build Me Different is the AI option, and you can trial the whole thing free for 30 days before paying anything.