I was talking more generally about the general design of the app. It is "ok".

I have a really rubbish signal (I live in the sticks in the North West). There was almost no reception on near the gym. It never took 30 seconds. Generally scanning the QR code itself wouldn't get recognised by the scanner. I just ended up using the 8 digit code. This was using the iPhone app.

I ended up cancelling because quite honestly I prefer walking and cycling. But I was using them until earlier this year.

Considering Pure Gym is cheap, has reasonably decent equipment and is kept clean (at least where I am). The app being a bit shit sometimes is like a whatever problem IMO.