Prolific is a research panel built for academic and commercial studies: surveys, experiments and longer tasks, with detailed screening. 50heads is built for a different job: one short question, fifty verified people, about ten minutes.

Prolific 50heads
Best for Studies of several minutes or more Five-second judgments
Price Participant pay (a minimum hourly rate) plus a platform fee of about a third €0.24 an answer at Tier 1, all in
Study design You build or link your survey One question with options, in our composer or via the API
Screening Hundreds of prescreeners Country, age, gender and about 120 tags, any tier
Verification ID checks and quality monitoring Phone or ID verified, every answer device-attested
Time for 50 responses Often under an hour About ten minutes
Agents API MCP server, REST API, webhooks

Prolific figures are from its published pricing (prolific.com/pricing), checked 1 September 2026.

Use Prolific when

You're running a study: several questions, randomisation, experiments, detailed screening or an ethics process.

Use 50heads when

You need a quick, trustworthy read on one thing (which name, which image, which line) and you want it now, at a price that lets you ask again tomorrow.

Many teams use both: Prolific for the study, 50heads for the dozens of small decisions around it.