Gizmetto vs ReactionTests

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Gizmetto compared with ReactionTests
Detail	Gizmetto	ReactionTests
What it does	Free browser tools for audio, display, device, image and measuring tasks that run instantly with no sign-up	Test your visual reaction time for free
Stage	Startup	Not given
Founded	2026	Not given
Based in	Not given	Not given
Pricing model	Free	Free
Pricing	Not given	Not given
Key features	Pitch detector to identify notes and frequency Vocal range test to find voice type Guitar, ukulele, violin and bass tuners Speaker and headphone testing Dead pixel and stuck pixel detection Spectrogram and oscilloscope visualization BPM detection and tempo finding Chord and song key finder from audio Camera, mouse and game controller testing EXIF removal and image file conversion	Five-round visual reaction test with millisecond timing Seven-round sound reaction time test Local result history with up to 300 sessions stored Consistency measurement showing standard deviation of scores Download score card as image Sound calibration for personal offset adjustment Reference data from published research studies
What makes it different	All tools run instantly in the browser with no sign-up or download required Complete privacy: nothing is uploaded or stored, all processing happens on your device Works on both phones and computers Requests microphone and camera access only after you initiate Uses Web Audio API for precise sound analysis without uploads	No account or login required to use the test Results stored locally in browser for privacy Compare full sessions to understand consistency, not just fastest round Research-backed reference data from laboratory studies
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	3 no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	11
Referring domains (Majestic)	0	1

4 details filled in for both companies.

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