StemJSON
Quiet signalLet users add features to apps with AI
Launched 21h ago
Signal
18
Velocity
21
What this means
-60%Category cooling: SDK.
Launches down 60% week-over-week.
25Founder Conviction Index: 25 — low signal.
Few of the conviction sub-signals (reputation, velocity, buyer-intent, tagline clarity) are firing yet.
Prediction
Top-5 finish probability
14%
today
Projected end-of-day votes
2range 2–3
Trajectory
stable
Not enough snapshots yet to detect trajectory.
Speed vs peers
1×
4 comparable launches
About
StemJSON lets a published mobile app grow new native features from plain words. Users get functions the app never planned for, and developers serve individual needs without building each one or shipping a release. A user describes what they need inside the app, AI writes a StemJSON module, and the runtime inside the app checks it and builds it from real iOS or Android parts, within limits the app’s developer set in advance
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.