People use the terms as if they are the same thing, but these people also just use soulmate because they saw it in a movie. They don’t really think about what they’re saying.
The spiritual purpose is way more different than most people even know. I think a lot of people on the journey don’t even know the full extent of it. Your twin flame isn’t here to make you happy. The journey is not here to give you a happy relationship, that is just a side benefit (I know that’s not what social media tells you, because it’s not sexy to hear). Your twin is here to make you whole. The entire point is planetary ascension. When twin flames unite in harmony, they create a vortex of energy that raises collective consciousness.
You’re breaking karmic cycles for humanity. You can post your happy relationship selfies at the same time, but that’s not why you’re here.
Soulmates serve your personal evolution.
They show up to teach specific lessons you contracted to learn before incarnating. Some stay for life, others complete their purpose and naturally move on. The community recognizes three types: karmic ones clear past-life stuff through challenging dynamics, dharmic ones support your life purpose, and recognition ones provide understanding when you need it.
The mission scope is just different. Twin flames work at the collective level - your union affects everyone around you, whether they know it or not
Soulmates work at the individual level - your growth benefits you and them primarily. Neither is better. They’re serving different layers of your soul’s development. Most people need multiple soulmates throughout their life to build the foundation before they can handle what the twin flame connection demands.