Sound Meter (SPL meter) vs Volvé

Sound Meter is also known as Sound Pressure Level meter (SPL meter) , noise level meter, decibel meter(dB meter), sound level meter or soundmeter. You can experience tidy graphic design with high frame by this smart sound meter app. The noise level meter or sound pressure level Meter(SPL meter) use the smartphone or tablet microphone to measure environmental noise in decibels(dB). The decibel(dB) value of this noise level meter or soundmeter might be vary compare with an actual Sound Meter(dB Meter). Features: - Indicates decibel by gauge - Display the current noise reference - Display min/avg/max decibel values - Display decibel by graph line - Display Elapsed time of decibel - Can calibrate the decibel for each devices NOTE: Microphones in most devices are aligned to human voice and the maximum values are limited by the hardware. Very loud sounds (~90 dB and more) may not be recognized. So please use it as just an auxiliary tools. If you need more accurate dB values, we recommend a actual sound level meter for that.

You can’t always predict what will happen. But you can be prepared. Volvé is your personal safety net. Before you go out, you set up a plan: location, contacts, and time. If you don’t confirm you’re safe, the app automatically sends an alert with all the information to your trusted network. Ideal for: • Dates • Trips • Meetings • Night travel • Any situation where you want extra backup How it works • Set up your plan in seconds • Volvé activates a silent countdown • When you return, you enter your safe code • If you don’t, an alert is sent automatically Key features Duress code If someone forces you to cancel, you can enter a special code that triggers the alert silently. Panic button Send an immediate alert with your real-time location. Trusted contacts Your contacts receive the information via message and email. -- Your safety doesn’t depend on the situation. It depends on being prepared. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/