PostBox
Quiet signalWrite to someone new. You might find a lifelong friend.
Launched 1mo ago
Signal
18
Velocity
21
What this means
+50%Launching in a 50% WoW growing category.
Community had 15 launches this week vs 10 last.
21Founder Conviction Index: 21 — low signal.
Few of the conviction sub-signals (reputation, velocity, buyer-intent, tagline clarity) are firing yet.
Prediction
Top-5 finish probability
17%
today
Projected end-of-day votes
2range 2–3
Trajectory
stable
Not enough snapshots yet to detect trajectory.
About
PostBox is a free pen pal app for Android where you send and receive personalized digital postcards and letters to people in 150+ countries. Discover new friends through shared interests. Download free on Google Play.
Attention & discussion velocity
Not enough snapshots yet. Run the snapshot worker every 15 min to build the time-series.
Performance
Pace needs two or more snapshots. This launch has 1, so velocity and momentum read as unmeasured rather than zero.
Velocity—
not measured
Momentum—
not measured
Virality—
not measured
Engagement—
not measured
Signal sources
1 of 6 active- Launch tracking1 reading since we picked it up
- AI analysisnot yet enriched
- Comment intelligencethread not yet analysed
- Outside discussionnot checked — domain is a storefront or shared
- Revenue signalsno match on this domain
- Editorial scoringbelow the signal threshold for this pass
A source that found nothing is a measurement. A source that has not run is a gap. Neither means the launch lacks the thing.