Aparna is also a trained playback singer, having sung songs in both Malayalam and Tamil films.
She sang Mounangal Mindumoree in Maheshinte Prathikaaram (2016) and Mannippaya Ena Ketkadhe in 8 Thottakkal (2017).
She won Best Debut Actress awards for Maheshinte Prathikaaram.
She studied architecture before pursuing acting full-time.
In 2025, she was listed in Forbes Asia’s 30 Under 30 for her contribution to cinema.
She comes from a musical family background, with her father being a music director.