Journalist Tim Stillman reports the Gunners failed to sign Reuteler last summer but will now complete the deal without a fee.
The 26-year-old has scored nine goals in 31 appearances for Eintracht Frankfurt this season.
Arsenal are set to sign Swiss forward Géraldine Reuteler on a free transfer, according to reports.
Journalist Tim Stillman reports the Gunners failed to sign Reuteler last summer but will now complete the deal without a fee.
The 26-year-old has scored nine goals in 31 appearances for Eintracht Frankfurt this season.