4/5 rating based on 13 reviews. Read all reviews for VisualSignals for iPhone.
VisualSignals is free iOS app published by Tobias Huellen
yochannan
I had to adjust the settings and this is a great "emergency lights" app. really can be configured nicely. Choices of color and the split of the lights.
ODSTDOOM
It has the led grid flash pattern..which is nice, though some color/custom options would be nice to have.