The Egrip OLED and Envy17 are similar all-in-one vape mods with OLED screens, but differ in key areas. The Envy17 has a replaceable atomizer, larger 2000mAh battery for longer use, a wider wattage range of 2-35W, and a button that is easier to control. It also has automatic VV/VW modes and supports a wider resistance range of 0.4-4ohm compared to the fixed 1.5ohm of the Egrip OLED. While the Egrip OLED has a more elegant design, the Envy17 is more feature-rich and affordable at $17-19.9 compared to $29-31 for the