Feature checklists rarely decide anything. What decides it is the pricing metric, who has to write the tests, and which limitation you can live with.
Entry price
Quote on request
Quote onlyFrom $20 per user/month (indicative, cloud)
Free tierWhat drives the bill
The metric that actually scales your invoice.
Enterprise quote-based pricing by data volume and connected databases.
Self-hosting is free; the cloud service is priced per user and record volume.
Free tier
Free trial.
Open-source self-hosted edition is free.
Open source
MIT
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Established
Tonic.ai · since 2018
Emerging
Nucleus Cloud · since 2023
Strengths
Limitations
Best for
Organisations that currently copy production data into staging and know they should stop.
Teams that need anonymised test data but cannot justify enterprise pricing.
All of these integrate with: PostgreSQL, MySQL, MongoDB.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.