Libernovo Omni Dynamic Ergonomic Chair wins on features and capacity with 300 lb support and 160° recline plus spinal massage versus Ergohuman's 275 lb limit and synchro-tilt only. Ergohuman High Back Executive offers better value at $939 MSRP with more traditional adjustable lumbar and arms. Both are current models but Libernovo's 2025-06-23 release gives it an edge in dynamic adjustments.