App Intel
512

LightUP (NUS Study)

LiveLightSPAN Project2 apps · 244 installsHealth & FitnessFreecom.lightspan.app

Track & improve light exposure

Alert me★ WatchOpen in Play ↗
Total installs
161
exact · Play shows 100+
Installs / day
—
measured after our second crawl (about a day)
Rating
—★
— ratings · — reviews
Released
—
—
Last update
1 May 2026
v1.0.36 · 5mo ago
Countries
0/1
live · checked 12h ago

Install history

exact counter from Google Play
Not enough history yet — check back tomorrow
Not enough history yet — check back tomorrow

Installs per day · last 90 days

Not enough history yet — check back tomorrow

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Live 0Listed, not installable 1Not listed 0
United States

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Data safety

declared by the developer on Google Play
  • No data shared with third parties
  • Collects data Health and fitness, App activity, and App info and performance
  • Data is encrypted in transit
  • No way to ask for data deletion

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

5 in 1 group
0 Sensitive2 Notable3 Routine
OtherNotable5

Access to miscellaneous device features that don't fit other categories

  • Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
  • Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Make your phone vibratecontrol vibration · VIBRATE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Screenshot 1 Download
Screenshot 2 Download
Screenshot 3 Download
Full description
LightUP is a health and wellness app designed to help participants track and improve their daily light exposure. The app connects with Actlumus light and activity loggers to monitor light exposure and provide feedback about time spent outdoors. Please note: This app is currently available exclusively for participants enrolled in the LightSPAN project conducted by the Eye N' Brain Research Lab at the National University of Singapore School of Medicine.

What's new

bug fixes and ui improvements

Growing in Health & Fitness

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