Comparison

InboxDollars vs Prolific

InboxDollars and Prolific both land on Depends.

InboxDollars

Depends

Confidence: Medium

A legitimate, long-running free rewards site for US residents who want pocket change for casual surveys, games, and cashback.

Depends

Confidence: Medium

Buy if you're an academic, UX, or AI team needing fast access to vetted human participants and can absorb per-participant costs.

InboxDollars versus Prolific
Compare	InboxDollars	Prolific
Verdict	Depends	Depends
Best for	US residents wanting casual pocket change	Academic researchers running online studies
Who it's not for	Anyone needing actual income . this pays cents per hour	Buyers needing guaranteed participant volume . users report study availability swings
Privacy	No known public vulnerabilities found in the sources reviewed.¹²	No known public vulnerabilities found in the sources reviewed.¹³
Support quality	Users report ignored tickets and payment runaround	No researcher-side support evidence in sources
Public sentiment	Reviews split between 'legit but slow pocket change' and complaints about unpaid surveys, frozen accounts, and unresponsive support.^²	Sentiment skews positive on Trustpilot, while participant-side Reddit threads flag account holds and declining study availability.
Biggest gotcha	ID verification required; some users report deactivation around verification and cash-out time.	Participant minimum pay is $8/hour . budget accordingly for cheap studies

Buyers needing guaranteed participant volume . users report study availability swings
Teams requiring public security and compliance docs before purchase
Fixed-budget projects . per-participant pricing plus fees is unpredictable
Tiny studies where recruiting your own panel is enough