I spent 3 nights here on a solo trip to Paris and I really enjoyed my stay. The apartment is clean, comfortable, well-equipped, and very centric to restaurants, stores, and the train. The host is super responsive and very accommodating. The only thing I didn't enjoy as much was the shower. It's pretty small and had some draining issues during my stay.
Overall, I had a lovely time staying here and would recommend it to any solo traveler visiting Paris!