Why DesignLoop

Built different. For both sides.

The only platform that combines voice, live whiteboard, and adaptive AI — for practice and for screening.

Capability
Others
Phone Screen
DesignLoop
System design focus
Partial
Yes
Yes
Real voice conversation
Sometimes
Yes
Live whiteboard analysis
Rarely
Yes
Adaptive AI follow-ups
Inconsistent
Yes
Honest scored feedback
Yes
Company-tagged problems
Yes
Yes
Seniority-calibrated depth
Varies
Yes
Recruiter portal / team screening
Yes
Yes

Pricing

Start free. Scale when you're ready.

Individual plans for engineers, enterprise plans for teams. No credit card to start.

Questions? Contact us at support@thynclabs.com

DesignLoop

The system design interview platform — built for engineers who want to go deeper.

By ThyncLabs · © 2026 · Early Access

System operational