Devon Vonder Schmalz (born March 12, 1999), also known as Dev Lemons, is an American singer-songwriter, record producer, and YouTuber. She initially gained popularity by making music theory videos as SongPsych on TikTok and YouTube and through her personal YouTube channel, Dev Limes. She has released two studio albums, Surface Tension in 2025, and Hunting What We Already Killed in 2026.
Early life Devon Vonder Schmalz was born on March 12, 1999, in Warrington Township, Bucks County, Pennsylvania. She played the flute in the fourth grade but had to quit because it was too expensive; she also attempted piano and electric guitar, but dropped those as well.
Initially aspiring to be an actress, Schmalz majored in TV Writing at Emerson College, but had to finish her senior year online due to the COVID-19 pandemic. Later, she interned at Nickelodeon and Comedy Central and, until 2023, produced digestible videos on music theory, which she learned about online during the pandemic, as SongPsych on TikTok and YouTube. She also operated a YouTube channel, Dev Limes, where she became known for a series in which she attempted to recreate popular songs from scratch while keeping her computer muted, leaving her unable to hear the music she was producing. The series later led to her third EP, Songs with the Volume On, which incorporated elements from songs she had created during the series.
Career Schmalz originally started out making bedroom pop solo as Miss iPad, but rebranded in fear of Apple Inc. suing her if she became more successful. She also formed the comedy music group Queef Jerky with YouTuber Nickisnotgreen.
Schmalz released her debut studio album, Surface Tension, on August 1, 2025. In the leadup to the album's release, she created "scary short films" that were uploaded to social media; these videos were influenced by the older internet era, the uncanny valley aesthetic, and games such as Doki Doki Literature Club!. She released her second album, Hunting What We Already Killed, on October 2, 2026. She wrote the album over a year and a half prior and drew from personal experiences, including the ending of a relationship.
Influences and artistry Schmalz has stated that, when making music, she likes to "turn [her] brain off as much as [she] can" to help expose her subconscious to the music. Many of her songs develop based on her feelings on the day. On the visualizer for "Eat the Pavement" off her album Hunting What We Already Killed, Schmalz wanted to draw comparisons to Happy Tree Friends, contrasting its buoyant production with firm lyrics.
Discography Studio albums Title Details Surface Tension Released: August 1, 2025 Label: Self-released Formats: LP, CD, digital download Hunting What We Already Killed Released: October 2, 2026 Label: ONErpm Formats: LP, CD, digital download
Extended plays Title Details Lemontopia Released: April 16, 2021 Label: Self-released Formats: Digital download Delusional Released: May 26, 2023 Label: Self-released Formats: Digital download Songs With the Volume On Released: December 6, 2024 Label: Self-released Formats: Digital download
Singles Title Year Album "Rotisserie Pigeon" (with Stevie Powers) 2020 rowspan="7" "Guessing Games" (with Whose Rules) 2021 "Don't You See the Time" (with Whose Rules) "One Whole Me" 2022 "Autopilot" "CEO of My Ass" "Ghosted My Dentist" "Nightstand" 2023 Delusional "Dizzy Vision" "You Tear Me Apart" "Give Mama a Hug" 2024 rowspan="4" "Freak Show" "Why Did I Laugh Anyway" "In The Party" (with Billy Lemos) "Nice Try" 2025 Surface Tension "Stuck Again" "Maybe I'm the Reason / Be Cool" 2026 rowspan="1" "Eat the Pavement" Hunting What We Already Killed "Only One Way to Know" "Best Friend"
Songs as a featured artist Title Year Album "Keep in Touch" (with Nxtime) 2021 rowspan="2" "Oh Yeah" (with Ark Woods) 2022 "System Failure" (with Abbatia) Red Room "Soon You're Gonna Know"(with Kinneret) 2023 All That I Know "All My Fault [Reworked]"(with Johan Lenox) 2025 I Guess We'll Find Out [Reworked]
As Miss Ipad Title Year Release "Come Back Tonight" 2019 Single "You Don't Care About People" "The Sun or the Rain" 2020 "Blue Beanie" "My Stuff" 2025 Extended Play "Listen" Single "Mountains (Way to Go)" Notes: The Sun or the Rain released under Miss Ipad is an alternate version of the song released under Dev Lemons in the EP Lemontopia, with an alternate instrumental and added vocals.
Tours Freak Show Tour (2023) Surface Tension Tour (2026)
Eat The Pavement Tour (2026)
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