SIG Publisher: John Milner Genre: Utilities Released: 1 Dec, 2018 Size: 370.5 KB Price: $2.99 Click here to request a review of this app App Store Info Description SIG is an audio signal generator application, providing sine, triangle, sawtooth, square, pink, brown and white sound sources at variable levels. What's New in Version 3.2.7 Maintenance update. Screenshots Screenshot 1 of 6