The main difference between is that the Potette Max has a wee guard especially designed for boys however both the Potette Max and Potette Plus can be used by either gender.
Every Potette™ Max 3-in-1 Includes:
1 Portable Potty & Toilet-Trainer Seat (with wee guard)
1 Nylon Travel Carry Bag
1 Reusable Hard Liner (only compatible with this Potette)
3 Potette™ Disposable Liners
Every Potette™ Plus 2-in-1 Includes:
1 Portable Potty & Toilet-Trainer Seat
1 Travel Carry Bag
3 Potette™ Disposable Liners