Table 1. Performance comparison of commercial spectrometers with the smartphone spectrometer.

Specification	Ocean Optics	Hamamatsu with USB Board	Smartphone spectrometer with Hamamatsu Sensor
Spectral Resolution	10 nm	15 nm	15 nm
Bandwidth	360–1100 nm	340–840 nm	340–780 nm
ADC Bits	16	16	10
Operating System	Windows	Windows	Android
Size	89.1 mm × 63.3 mm × 34.4 mm	108 mm × 70 mm × 35 mm	88 mm × 37 mm × 22 mm
Weight	224 g (without light source)	198 g (with light source and battery, built in-house)	48 g (with light source, battery, Bluetooth connection, microcontroller, filter)
Cost	$4000	$1200	under $250 (including smartphone)