Quick Quake app icon

Apps Like Quick Quake for iPhone and iPad

Locate earthquakes faster than ever before.

The app allows users to determine earthquake epicenters and magnitudes by analyzing P and S waves from seismograph data. It refines automatic event notifications from the Quake Server seismic observatory data management system.

by ESS Earth Sciences Pty Ltd★ 4.02 ratingsUtilitiesFreeData updated 2026-10-23

Quick Quake screenshots

Ranked alternatives

Showing 381–400 of 1,000 ranked alternatives.

  1. SigTrax app icon

    SigTrax

    Amcept, LLC

    Signal tracking toolkit for mobile devices.

    The app combines mobile device GPS with handheld mapping to plot bearings and determine Crosspoints. It simplifies the tracking process by eliminating manual map handling and plotting intersection points.

    ★ 3.68 ratingsProductivity$2.99Data updated 2026-10-26
  2. Re:Call app icon

    Re:Call

    TeleWare Public Limited Company

    ★ 3.04 ratingsBusinessFreeData updated 2026-09-14
  1. PA Server Monitor for iPhone app icon

    PA Server Monitor for iPhone

    Power Admin LLC

    Monitor server health on the go.

    The app connects to a PA Server Monitor installation to display servers, monitors, charts, and alerts. Users can acknowledge alerts within the application.

    ★ 4.04 ratingsBusinessFreeData updated 2026-09-25
  2. Instant USGS Earthquake Pro app icon

    Instant USGS Earthquake Pro

    Jufen Chang

    Monitor earthquakes and NOAA alerts

    View real-time alerts with color-coded severity levels: red for 4.0+ earthquakes, purple for 3.0+, orange for 2.0+, blue for 1.0+, and green for smaller events. Access NOAA radar data and receive alerts across iOS, Watch OS, and Apple TV devices.

    ★ 2.52 ratingsUtilities$1.99Data updated 2026-11-03
  3. Jaadoo app icon

    Jaadoo

    MobileFirst Applications Private Limited

    ★ 4.24 ratingsProductivityFreeData updated 2026-09-30
  4. dB Calculator app icon

    dB Calculator

    Rohde & Schwarz GmbH & Co. KG

    Calculate dBm and voltage levels

    Calculate power levels in dBm and watt with addition and subtraction. Convert between dBm, dBW, mW, W, mV, V, dBV, dBµV, and dBu. Adjust for impedance. Perform voltage calculations for correlated and uncorrelated values.

    ★ 4.33 ratingsProductivityFreeData updated 2026-09-08
  5. ISO8583 Bitmap Calculator app icon

    ISO8583 Bitmap Calculator

    Dario Fanjul

    Calculate ISO8583 message data elements.

    The app calculates active data elements within an ISO8583 message. Users can enable or disable fields to see updated bitmaps, supporting primary, secondary, and tertiary bitmaps.

    ★ 4.52 ratingsUtilitiesFreeData updated 2026-10-10
  6. Mac Tools – SmartEAR 1 app icon

    Mac Tools – SmartEAR 1

    JS Products, Inc.

    Sound and vibration detection technician tool.

    The app transforms a smartphone into a sound and vibration detection tool when used with specially designed hardware kits. It assists technicians in locating defective or worn parts in machinery by detecting sounds and vibrations.

    ★ 2.33 ratingsUtilitiesFreeData updated 2026-10-17
  7. USALink app icon

    USALink

    USA Central Station Alarm Corp

    ★ 3.07 ratingsBusinessFreeData updated 2026-09-10

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.