TestForReaction vs Spin the Wheel

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

TestForReaction compared with Spin the Wheel
Detail	TestForReaction	Spin the Wheel
What it does	Five-round browser benchmark	Free random name picker powered by cryptographic randomness
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	Not given
Pricing model	Free	Free
Pricing	Not given	Free forever with no paywalls or hidden fees.
Key features	Five-round test sessions Average, median, best, and consistency scores Visual reaction test Leaderboard with verified scores Score sharing tools	Cryptographically secure randomness using crypto.getRandomValues() Equal probability for all entries Remove and spin again functionality Recent Winners log tracking all decisions Built-in fairness test with 10,000 simulated spins No account or download required Works on any modern browser Client-side application with no data transmission Unlimited entries with auto-resizing segments Multiple wheel configurations for different use cases
What makes it different	Emphasizes repeatable sessions over single results Accounts for device and browser latency differences Includes consistency metric across rounds Multiple reaction test types for different preferences	Uses cryptographic randomness instead of predictable algorithms like Math.random() Built-in fairness verification test that runs 10,000 spins to prove equal distribution Completely private with no data stored on servers or shared with third parties Instant results with no signup, download, or hidden costs
Community votes	0	0
DR (Domain Rating by Ahrefs)	5 no change since last check	4 no change since last check
Trust Flow (Majestic)	2	0
Citation Flow (Majestic)	17	14
Referring domains (Majestic)	7	3

4 details filled in for both companies.

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