HC Key icon

HC Key

Hartmann Controls
⬇ 1,000+ downloads
Est. actual: 3,194
Free
No in-app purchases
No ads

Signals

3 this week · 1 positive · 1 warning All of this week's signals →
  • 📈Last 7 days +22 installs — 27% slower than the week before (+30) · 2/day since Oct 7
  • 🏆Among Productivity apps top 26% by installs gained this week (487 peers growing)
  • 🛠Updates quiet · updated 109 days ago
Installs since launch
0 1.6K 3.2K 3.2K Oct 7 today
+52 installs since Oct 7
Update history
— Jul 23, 2026 · seen Oct 23, 2026
Bug Fixes
Only the current version so far — new entries appear as the app ships updates.

HC Key is a productivity app by Hartmann Controls with 1,000+ downloads (about 3.2K estimated). +22 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.

From the store listing: “User Level App for ProtectorNet”