It was released on January 10, 2020, as her first album with Sumerian Records following her departure from Mad Decent, as well as her final collaborative project with Titanic Sinclair before the end of their creative partnership in 2019.

On the second half of the record, Poppy began experimenting with nu metal, shortly after, she released Choke in 2019 as a continuation to Am I a Girl?

She described it to be "heavy" and called it a "post-genre" record, as well as stating that it's a follow-up to her previous metal songs, specifically "Play Destroy" and "X".

[6] The next month, Poppy announced the title of her third album to be I Disagree and revealed the official release date and cover art.

[39] AllMusic writer Neil Z. Yeung also gave the album a positive rating, writing that "As both a symbolic avatar for her life changes and a strong empowerment statement, I Disagree celebrates Poppy's rebirth as a pop-metal alchemist and unabashed rule-breaker.

"[41] While talking positively about the album, Nicoletta Wylde of musicOMH stated, "with I Disagree, Poppy releases her version of Lemonade; both channelling the pain of her recent controversy, sticking two fingers up to the past and translating her performance art into music.

"[42] Ali Shutler of NME praised I Disagree as "her most accomplished record, full of daring theatre and snarling forward motion".

[43] Tara Joshi of The Observer called it "a cartoonish record that is at once garish, sweet and over the top...enjoyable, imaginative and at times uncanny assault on the senses.

"[44] Colin Joyce writing for Pitchfork stated, "none of the situations she explores are especially specific, but it’s striking...reminder that chaos can be cleansing, that calamity is the first step to starting all over again and building something new.

"[45] Elisabeth Woronzoff of PopMatters considered the album to be "a major shift from her previous endeavors...[as] she has expanded her musicality while also challenging genre conventions.