'd go with cloud storage like google photos, super convenient and the pics automatically upload there so they don't take up space on your phone.plus you can access them from any device compression apps are okay too but the quality drops a bit.for more space, use an external drive

What are the best ways to store photos to minimize memory usage on a smartphone? Specifically, how do cloud storage services, photo compression apps, external storage devices, photo management apps, and automatic backup services compare in terms of saving space and ensuring easy access to photos?