Sensor Viewer vs HackUDC OS

Visualise the data from 3 of your phone's sensors And adjust the sensitivity of the sensors to match the sounds, vibrations or magnetic fields you're measuring For sounds: See a sound wave for all sounds picked up by the microphone For Vibrations: See 3 line graphs showing the movements of the phone, 1 line per dimension (up/down, left/right, forwards/backwards) For Magnetic Fields: See a graph of the magnetic field your phone can detect, even if that's just your speakers or the batteries in some of your other devices Supports Light Mode / Dark Mode Supports Dynamic Text Sizing Supports English, French, Spanish, German Optional one-time in-app purchase available to remove ads permanently. Purchases can be restored on supported devices using the same Apple ID or Optional auto-renewing subscription available to remove ads. Subscription automatically renews unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://salisburyapps.co.uk/privacy-policy-sensor-viewer/

hackOS is the official HackUDC app: the whole hackathon in your pocket, whether you're here to participate or to organize. FOR PARTICIPANTS • Schedule: the day-by-day program, with search and reminders. • Judging queue: your team's position, estimated wait and assigned room, in real time. • Live Activities: queue, deadlines, meals and your badge on the Lock Screen, the Dynamic Island and Apple Watch. • Badge and entry: your QR codes at hand, and saved to Apple Wallet. • Projects: create and edit your project, add photos, invite your team, read each challenge's briefing and submit before the deadline. • Networking: scan badges and sponsor booths to save people and companies to your Contacts. Edit your bio, links, CV and photo. • Notifications: judging turns, schedule changes and announcements, with a dedicated inbox and full control over reminders. • No signal, no problem: the schedule and your data are stored securely on your device. FOR STAFF AND ORGANIZERS • Check-in: scan badges, assign or replace them. • Presence: track attendees' entries and exits. • Meals and activities: log by scanning and instantly detect duplicates. • Judging queues: call teams, see who is presenting and manage their participation. • Attendees: search the full list with their real-time status. • NFC scanning or manual entry, even offline.