NHD-CA

Name: NHD-CA
Author: Certain Inc.

Certain Inc.

⬇ 1,000+ downloads

Est. actual: 1,414

Free

Released: Apr 18, 2018

No in-app purchases

No ads

Signals

3 this week · 2 positive · 1 warning All of this week's signals →

📈Last 7 days 0 installs · 0/day since Oct 9
🏆Among Business apps bottom 0% by installs gained this week (1279 peers growing)
🛠Updates dormant · updated 209 days ago

Installs since launch

0 installs since Oct 9

Update history

1.9 Apr 17, 2026 · seen Oct 25, 2026

Feature enhancements and stability improvements

Only the current version so far — new entries appear as the app ships updates.

NHD-CA is a business app by Certain Inc. with 1,000+ downloads (about 1.4K estimated). Released Apr 18, 2018. Install growth, rank history, SDKs and ad networks.

From the store listing: “The official National History Day - California (NHD-CA) state competition app”