She was born in Fåberg to teacher Johan Ludvig Alver (1848–1897) and Isabella Vibe (1870–1937). She was a great-granddaughter of Ludvig Vibe and a niece of Amalie Skram, née Amalie Alver. After the death of her father, her mother married Sigurd Høst (1866–1939).
Her family lived in Kongsberg and Kristiania during her youth. In 1900 the family moved to Bergen. In the same year she became a half-sister of the newly born Gunnar Høst, who later married Else Høst.
Inger Alver finished middle school in Bergen before studying briefly at Oxford University.
In the 1920s she returned to Norway and settled at the farm Glenne in Borre, with only 42 decares of crop. After turning sixty years old Inger Alver Gløersen started writing books
Her literary début was Nikolai Astrup (1954, about Nikolai Astrup), and her best-known book is Den Munch jeg møtte (1956, about Edvard Munch). She later released Mefisto i Djævelklubben, Boken om maleren Ravensberg (1958, about Ludvig Ravensberg) and Minister faster Amalie Skram (1965, about Amalie Skram).
All books were based on personal experiences.
She also wrote in magazines like Urd and Frisprog. She died in March 1982 in Borre.
