A good comparison should help you decide, not just list features. We compare options based on fit, coverage, movement, how easy they are to adjust, washing, and how they work under clothes.
Training bra vs sports bra
Everyday softness vs. built for movement.
Compare →Training bra vs bralette
Where these two overlap, and where they don't.
Compare →Padded vs unpadded
Coverage, feel, laundry, and shifting pads.
Compare →Cotton vs seamless
How fabric feels vs. how the bra is built.
Compare →How to actually use these comparisons
Start with what's actually bothering your kid: movement, showing under clothes, seams rubbing, wanting more or less coverage, or just wanting something easy to put on. Use the comparison to narrow things down. Then finish with the 5-point fit check — a bra that sounds right on paper can still fit badly.