|Stage Name||Birth Name||Position||Birthday||Age||Height||Star Sign Sort descending||C Y||BT|
|Chaekyung 채경||Yoon Chaekyung||Vocal||22||160 cm or 5'3"||Cancer||Rat||AB|
|Yena 예나||Yang Yena||Dancer||18||164 cm or 5'4½"||Gemini||Dragon||A|
|Jinsol 진솔||Lee Jinsol||Vocal, Maknae||16||165 cm or 5'5"||Sagittarius||Snake||O|
|Chaewon 채원||Kim Chaewon||Vocal||20||162 cm or 5'4"||Scorpio||Ox||O|
|Naeun 나은||Lee Naeun||Vocal||19||165 cm or 5'5"||Taurus||Hare||B|
|Rachel 레이첼||Sung Nayeon||Sub-vocal||17||165 cm or 5'5"||Virgo||Dragon||O|
April 에이프릴 is a female idol group formed by DSP Media in 2015.
The name April is a combination of "A," which means the best, and "pril," which stands for a lovely woman you can't help but love.
On February 12, 2016, DSP Media announced that the group’s fan club name is "Fineapple" 파인에플. Fineapple is a combination of the words "fine" and "apple," a shortened form of April.
From 2012 to 2014, former member Somin and member Chaekyung were part of DSP Media's Japanese girl group Puretty. The group released the singles "Cheki☆Love" in 2012 and "Shwa Shwa BABY" in 2013, then disbanded in 2014 with plans for the members to re-debut in other groups.
In mid-2014, former member Somin and members Chaewon and Chaekyung participated in Kara Project, where seven trainees competed to become the new members of DSP Media's girl group KARA. Chaekyung was eliminated, while Somin and Chaewon made it into the final round where they finished in second and fourth place respectively.
In early 2016, member Chaekyung, along with fellow trainee Cho Shiyoon, represented DSP Media in the reality girl group survival show, "Produce 101," where she finished in 16th place. She also participated with other competitors of "Produce 101" in "The God of Music 2" and joined its project group C.I.V.A in July 2016. In August 2016, Chaekyung and the "Produce 101" members of C.I.V.A joined LOEN Entertainment's project group I.B.I.
On February 9, DSP Media announced that they would debut a new girl group, April, in the first half of 2015.
April debuted with the original six members Somin, Chaewon, Hyunjoo, Naeun, Yena, and Jinsol on August 24, 2015, with the mini-album Dreaming. They released the music video for their debut album's song, “Dream Candy 꿈사탕.”
On November 9, leader Somin announced her departure from the group to pursue a different career. DSP Media revealed that the group would be rearranged with the 5 remaining members, Chaewon, Hyunjoo, Naeun, Yena, and Jinsol.
On November 25, the group released their first single album Boing Boing with the tracks "Muah!," "Glass Castle 유리성," and an instrumental of the main track. "Muah!" was produced by MachWave and Lee Junyeop. It is a fresh pop dance track showing off April's cute charms. It was followed by a special winter album Snowman released on December 21.
On February 14, the group hold a mini-concert, Everland Romantic Concert, for Valentine's Day.
On February 18, April won the Girl Group Rookie of the Year award at the 22nd Korean Entertainment Arts Awards.
On March 6, the group held their first Japanese fan meeting titled April JAPAN FANMEETING 2016～The First Fairy tale～ with 2,000 fans. The event was presented by their label mate and former KARA member, Heo Youngji. A mini-fan meeting of similar concept was also held in Seoul, on February 27, with 500 fans.
The group's second mini-album Spring was released on April 27, 2016. The album contains six tracks, including the lead single, "Tinkerbell" 팅커벨. During Spring promotions, member Hyunjoo took a temporary hiatus from the group, due to health issues from breathing problems and frequent headaches.
On August 21, the group held their first solo concert, Dream Land, at the Baek Am Art Hall in Seoul, to celebrate their first anniversary. Another concert was held in Tokyo, Japan, on October 15. Then label mate Chaekyung also participated in both concerts, as a guest member.
On October 29, Hyunjoo announced her official departure from April, after her 7-month hiatus to pursue an acting career. The same day, DSP Media also confirmed that the four remaining members of the group, Chaewon, Naeun, Yena, and Jinsol, would be rearranged with the addition of new members for an upcoming comeback set for early 2017.
On November 11 and 23, it was confirmed that members Yoon Chaekyung and Rachel would be the newest additions to the group, with a comeback goal set for January 2017. Chaekyung is a former Puretty member, "Kara Project" and "Produce 101" contestant, as well as a member of project girl groups I.B.I and C.I.V.A.
April released their third mini-album, Prelude, on January 4, 2017. The album title represents the group's new beginning, with their new line-up consisting of Chaekyung, Chaewon, Naeun, Yena, Rachel, and Jinsol. The album includes 9 tracks with 5 new songs, a special version of 3 their previous tracks "Dream Candy," "Muah!" and "Snowman," and an instrumental version of the main track. They released a music video for the main track, "April Story 봄의 나라 이야기," on January 4. The group also held their comeback showcase performance for Prelude on the same day.
• Jeon Somin 전소민 was born on August 22, 1996, in Seoul. Somin is also a former Puretty member and took part in "Kara Project," finishing in second place. She left the group on November 9, 2015. On December 13, 2016, Somin re-debuted as a member of co-ed group K.A.R.D, also under DSP Media. Their debut song "Oh NaNa" features former KARA member Heo Youngji.
• Lee Hyunjoo 이현주 was born on February 5, 1998, in Seoul. Hyunjoo trained for nearly two years before her debut. Hyunjoo currently attends the Seoul School of Performing Art program of Art & Acting. On May 12, 2016, she took a temporary hiatus during the promotion of the group's second mini-album, Spring, due to health issues from breathing problems and frequent headaches. On October 29, 2016, Hyunjoo officially left the group to pursue her acting career.