Sign in Start a session

Daily Calibration Challenge

Daily Calibration Challenge

Thursday, July 16, 2026 · Challenge #197

Already have an account? Sign in →

Evidence base:g = 0.63 academic performance · de Boer et al. 2018ES ≈ 1.11 structured training · Hidayat et al.MCT g = 0.69 vs CBT · Normann & Morina 2021Full evidence base →

Train how you think. AI-powered metacognition for sharper reasoning, better calibration, and lasting self-awareness.

Start a session →Take the metacognition test

© 2026 VaultSpark Studios LLC. All rights reserved.

Learn

What is Metacognition?
The Science
Research Hub
Metacognition Test
Glossary
Blog
FAQ

Product

How It Works
Start a Session
All Features
Pricing
Changelog
Research API
Status

For

Students
Teams
vs EQ
vs Lumosity
vs Elevate
vs BrainHQ

Company

About
Press
Contact
Security

Legal

Privacy Policy
Terms of Service
Cookie Policy
Accessibility
DPA

MindFrame is a product of VaultSpark Studios LLC · Not a brain game · Metacognition training

Privacy Terms Cookies Security

Powered by VaultSpark Studios