My girlfriend is upset she likes me more than I like her?

I met my girlfriend (F23) off a dating app for 5 month now. She is kind, sweet, cute and really caring towards me (M25). I like her but I think she loves me. For example she wrote me a long card saying how much I mean to her, planning what to buy for my birthday, comforting me when I am upset and remembering little things about me. She initiates hugs and kisses as well. She got a bit upset today cause I don't have the same feelings as her yet. She organise most of our date plans. She plans for the future whereas I do not. After we became official I still used Tinder and had my account as active and checked it sometimes but didn't go out with anyone. She was really upset over it and I deleted it. Today I told her she likes me more than I like her and she got a bit upset and teary. I also let her know I can't guarantee we can be together forever since something could happen in the future. She said she is scared to be hurt in the future. I like her and this is my first relationship. I think she loves me but I don't feel the same.
My girlfriend is upset she likes me more than I like her?
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