If you loved Pretty Cure All Stars DX: Everyone Is a Friend - A Miracle All Pretty Cures Together, try Pretty Cure All Stars DX3: Deliver the Future! The Rainbow-Colored Flower That Connects the World
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.

Pretty Cure All Stars DX: Everyone Is a Friend - A Miracle All Pretty Cures Together

Pretty Cure All Stars DX3: Deliver the Future! The Rainbow-Colored Flower That Connects the World
What they share
Both films are directed by Takashi Otsuka, and they both carry the cozy, playful, uplifting mood tags, and they sit in Action / Adventure / Animation / Comedy / Fantasy territory. If that's the register that drew you to Pretty Cure All Stars DX: Everyone Is a Friend - A Miracle All Pretty Cures Together, the second film will land in a comparable space — through a different lens.
What Pretty Cure All Stars DX3: Deliver the Future! The Rainbow-Colored Flower That Connects the World is
The franchise teams up once more, this time for a morale-boosting rescue mission. A rainbow flower must be regrown by a squad of magical girls before a dimensional rift widens permanently. It delivers exactly what you’d expect—nothing more, nothing less.