All Side Hustle Ideas
Software and apps

Audio analysis apps for iPhone

Built iPhone apps like an oscilloscope and spectrum analyzer, used by sound engineers and teachers.

At a glance
Estimated by a classifier that read the source. The bar shows how sure it was.
Category
Software and apps
94% sure
x
Earns from
One-time sales
94% sure
x
Startup cost (estimate)
$100 to $1kLow confidence
43% sure
x
Time it takes (estimate)
Hands-off
94% sure
x
Where
Online
97% sure
x
Coding
Needs coding
99% sure
x
Source
Hacker NewsComment by eo34 in “Your best passive income? (2014)”, January 21, 2014
Read the original commentVisit their site

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