Great App
This put me in the right direction for my hustle.
I was skeptical
This app actually has pretty great insights I was really surprised
Free
About
Discover side hustles that truly align with your personality through a detailed quiz. Get matched to over 370 ranked opportunities with personalized insights and step-by-step guides.
✓Personality quiz
✓370+ ranked side hustles
✓Hustler DNA profile
✓Shareable insight cards
✓Step-by-step hustle guides
✓Progress tracking
✓Compare with friends
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What's New in Grindstone
1.0
February 24, 2026
User reviews
FAQ
What is Grindstone's learning methodology?
Grindstone uses a science-backed matching system based on a deep personality quiz. It measures 26 personality traits across five categories to build a unique 'Hustler DNA' profile.
How does Grindstone track user progress?
Users can set a hustle as their own, log their income, build a daily streak, and receive smart reminders to stay accountable.
What are the different archetypes in Grindstone?
Grindstone identifies 10 archetypes: Scout, Closer, Builder, Analyst, Creator, Operator, Connector, Hustler, Strategist, and Maverick. Each archetype offers insights into earning potential.
Can I compare my personality with friends on Grindstone?
Yes, you can generate a compare code to share with friends. This allows for a side-by-side breakdown of how your personalities stack up in various traits.
What kind of information is provided for each side hustle?
Each side hustle includes a personal match percentage, detailed reasons for the fit, step-by-step instructions, recommended tools, realistic income ranges, pros and cons, and an honest reality check.
Is Grindstone available on all devices?
Grindstone is currently supported on iPhone, iPad, and iPod devices.
How often is Grindstone updated?
The app was last updated on February 24, 2026, with version 1.0. Future updates will likely continue to refine features and content.
What is the age rating for Grindstone?
Grindstone is rated for users aged 12 and older, making it suitable for teenagers and adults exploring career and side hustle options.