Wirecutter finds the Hydrow Rower’s magnetic resistance smooth and comparable to water rowers, while CNET notes Tonal’s electromagnetic system delivers up to 200 lb of resistance, giving it a clear performance edge. Consumer Reports scores Tonal’s build quality at 4.5/5 versus Hydrow’s 4.0/5, but Hydrow’s live‑class ecosystem rates 4.8/5 on its platform, higher than Tonal’s 4.2/5 for program va...