Iofi is a cute, cheerful and open person, but she is prone to panicking when things don't go in her favor or unexpected event happened on her streams. She has exceptional knowledge of Indonesian customs, slang and regional dialects. Her design also speaks for herself as a skilled artist who is currently majoring in VCD. She is energetic and talkative throughout her streams, and is quite open about her thoughts and feelings.
Her streams are often described as calm and "comfy," mixing her gameplay with chatting with the viewers, and has stated her love for free talks. She has a strong comedic side, often playing along with or against viewers. She never wavers from her views and values, and she plans each stream with the goal of a comfortable, engaging, and enjoyable experience with the viewer, whether that be through her collabs, content choice, or discussions. Her chats are varied and will often choose topics from the viewers, though she is quite passionate about talking on beauty/skin care, voice actors, gacha, and anime, with her favorite anime being One Piece.
Among hololive ID, Iofi is known for one of their most down bad members, capable to make very provoking but comical situations. Even Ayunda Risu seems sometimes more reasonable than Iofi. Moreover, Iofi is known for her great love of Monster Hunter franchise. She frequently tries to draw hololive members into some "Moonhun" collab.
She is incredibly supportive and social in general with a variety of personalities thanks to her knowledge of multiple languages and compassionate nature. She is very close with genmates Moona and Risu, streaming monthly together in collabs known as "Area 15," with Iofi acting as Moona's "husband" and Risu's "papa." Her nature during streams shifts between caring and flirtatious, with fans often calling her "Erofi" due to her antics, contrasting with the wholesome advice she often gives others. This advice is not restricted to VTubers; she has posted short videos encouraging viewers as well, and in general she is quite vocal and responsive to the chat during streams.
She collabs regularly with various groups members outside of Area 15, including "Kira Kira Family" with Risu, Aragami Oga, and Arurandeisu, and "HoloFOI" with Shirakami Fubuki and Oga. She and Tokino Sora, whom she calls "Sora-neesan" host a monthly show "IoSoRadio" on "Otaku Talk." She frequently hosts one-on-one collabs both inside and outside of hololive, most commonly with Tsunomaki Watame, Ninomae Ina'nis, Aisha, and Pochimaru. Due to her friendship with Pochimaru, Iofi is referred to by Pavolia Reine as "tante Iofi" or "Auntie Iofi." She has also served as a "bridge" between personalities, helping them connect, such as Usada Pekora and Moona, and Yukoku Roberu and Ono Yuuki.
While not the shortest in hololive, she was made fun of by Moona about how short she is; as such she is particularly sensitive when called short by others. When attempting to praise or compliment chat, they often turn around and complement her back. Though often calm, she can be prone to frustration, especially when it comes to gacha games or rhythm games, for the latter staying on the same song over and over until she is satisfied.