CrowdMag

Name: CrowdMag
Rating: 4.3764706 (506 reviews)
Author: University of Colorado Boulder

University of Colorado Boulder

★ 4.4 (506 ratings)

⬇ 50,000+ downloads

Est. actual: 98,559

Free

Released: Oct 17, 2014

No in-app purchases

No ads

Rated: Everyone

Signals

4 this week · 2 positive All of this week's signals →

📈Last 7 days +266 installs — 100% faster than the week before (+133) · 21/day since Sep 30
🏆Among Tools apps top 9% by installs gained this week (1190 peers growing)
⭐Rating steady at ★ 4.38 since Sep 30
🛠Updates quiet · updated 93 days ago

Installs since launch

+865 installs · +4 ratings since Sep 30

Update history

2.3.0 Aug 13, 2026 · seen Sep 30, 2026

* Fully migrating to University of Boulder Colorado Servers

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

CrowdMag is a tools app by University of Colorado Boulder with 50,000+ downloads (about 99K estimated). +266 installs in the last 7 days. Rated 4.4 from 506 ratings. Released Oct 17, 2014. Install growth, rank history, SDKs and ad networks.

From the store listing: “Introducing CrowdMag's newest feature: Flight Mode, which lets you contribute to scientific research by measuring the magnetic field as you fly around the world. To get started, simply provide your itinerary on the CrowdMag app, and you'll be able to turn your flight into a scientific expedition. Check out this…”