JR Fitness Singapore (City Hall) is listed as a gym at 1 Coleman Street, B1-19 The Adelphi, Kampong Glam, Singapore. It holds a 4.8 rating from 111 Google reviews.
A good gym is judged less by its equipment than by how it is kept and run. Look at whether the floor and changing areas are clean, whether the machines are maintained and spaced so you can move between them, and whether the equipment you need is free at the times you train. Many members find that a trial visit tells them more than any listing, so try the place at the hour you would really train. Ask how beginners are guided, and whether staff can adjust exercises for injuries or older members. Check the membership and cancellation terms before you sign anything.
Coleman Street sits between City Hall and Bugis, close to the MRT and the shops of Kampong Glam, so the gym suits people who train before or after work in town. For anyone in the neighbourhood, JR Fitness at The Adelphi on Coleman Street is worth a visit to see whether it fits your routine.