MagSafe — Apple's magnetic, 15W on iPhone. Qi — Universal standard, 5-15W, no magnets. Qi2 — New universal standard with magnets (like MagSafe for everyone).
Wireless is slower than wired. 15W MagSafe/Qi2 = 0-50% in ~45 min. Wired USB-C = 0-50% in ~20 min. Good for overnight/desk charging, not emergency top-ups.
Apple users: Anker MagGo 3-in-1 at $89. Samsung: Samsung Duo at $39. Budget: Anker 313 at $12.
Best 3-in-1 — iPhone + Watch + AirPods simultaneously
Best value 3-in-1 — Qi2 for half the price
Official Apple — simple, reliable, fast
Best for Samsung — phone + watch/buds
Best budget — $12 and works perfectly
Best portable — wireless power bank