sinter.
start · 14-day trial
Start your first session tonight.
Card held at signup. No charge for 14 days. Cancel in one click from your billing portal before trial end.
sinter · midnight labs MVP-0.3 · open beta
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After signup you land in the app. To start a 14-day trial on a paid tier with Stripe Checkout before your first run, start with Free, Practice or Intensive.
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- Structured feedback from multiple angles.
- Your private library shows how your thinking changes over time.
- Voice-note capture so you can think out loud on a walk.
- Your data stays private to you by default.
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