Overall winner: LEEKEY for most users who want strength-training versatility. Its natural rubber power-band format, stated resistance range, included door anchor/grips, and stronger durability feedback make it easier to build a broader home program—especially for pull-up assistance and anchored upper-body work.
JAKKOFOXX remains a good budget-friendly loop-band option with five resistance levels, a carry bag, and an exercise guide, making it appealing for beginners, Pilates, and quick lower-body sessions. Its main limitation is more mixed durability and stability feedback, including rolling and occasional snapping reports. If you want the simplest, lightest kit, JAKKOFOXX can still be the better match.