JJY Simulator app icon

Apps Like JJY Simulator for iPhone and iPad

Synchronize radio clocks with iPhone audio.

The app simulates standard radio waves used by Japanese radio clocks. It outputs a 13.3kHz audio signal to synchronize time using its third harmonic frequency.

by Tomoki Sekiyama★ 4.218 ratingsUtilitiesFreeData updated 2026-09-18

JJY Simulator screenshots

Ranked alternatives

Showing 61–80 of 1,000 ranked alternatives.

  1. Bowls - Tibetan Singing Bowls app icon

    Bowls - Tibetan Singing Bowls

    Oceanhouse Media, Inc.

    Create meditative harmonic tones and music.

    The app allows users to create harmonic tones by swirling fingers around bowls or tapping various instruments. Users can record and play back their creations for relaxation and meditation.

    ★ 4.81,161 ratingsMusic$1.99Data updated 2026-10-20
  2. TalkingAlarm: Alarm Clock app icon

    TalkingAlarm: Alarm Clock

    Fortuisoft LLC

    Wake with sound, time, and music

    Play sleep sounds and set alarms with time, weather, and calendar info. Choose gentle or loud wakeups, automate lights, or answer trivia. Adjust brightness, use flip clocks, and integrate with smart home devices.

    ★ 4.62,070 ratingsUtilitiesFreeData updated 2026-09-08
  3. RadioMail app icon

    RadioMail

    Makena Ventures LLC

    Send messages via amateur radio network

    Compose and reply to email messages via amateur radio networks. Send and receive messages through telnet or the Amateur Radio Emergency Data Network. Pair with VARA or KISS TNC modems via WiFi or Bluetooth.

    ★ 4.8737 ratingsUtilities$14.99Data updated 2026-09-06
  1. HAM Test Prep:  Technician app icon

    HAM Test Prep: Technician

    Patrick J Maloney LLC

    Prepare for amateur radio license exams.

    The app prepares users for the Technician class amateur radio license exam by providing access to the question pool and practice exams. It identifies areas needing further study and allows users to review FCC rule text.

    ★ 4.9808 ratingsEducation$1.99Data updated 2026-11-11
  2. RadioEquations app icon

    RadioEquations

    Robert J Sarvis Jr

    Access radio functions and settings

    Access frequently used radio telecommunications functions with quick shortcuts. View function descriptions for clarity. Navigate through settings and operational modes. Monitor signal strength and network status.

    ★ 5.02 ratingsUtilitiesFreeData updated 2026-09-06
  3. GV-Eye app icon

    GV-Eye

    Geovision

    Remote view GeoVision IP devices software

    The app connects to GeoVision IP devices and software for remote viewing. Users can watch live feeds, play back recordings, and manage device outputs.

    ★ 4.31,638 ratingsUtilitiesFreeData updated 2026-09-18
  4. Bedside Clock - Digital/Analog app icon

    Bedside Clock - Digital/Analog

    Charles Childers

    Digital and analog clocks combined.

    The app displays both digital and analog clocks on one screen. It offers adjustable brightness and time formats, with optional features for rounding the analog time and enlarging specific indicators.

    ★ 4.218 ratingsUtilitiesFreeData updated 2026-11-07
  5. Thorlight for Philips Hue app icon

    Thorlight for Philips Hue

    Odin Brousseau

    Control smart lights with animations

    Control Hue, LIFX, Nanoleaf, and Yeelight smart lights. Set and adjust lighting scenes, create custom animations, and synchronize lights for coordinated effects. Manage brightness, color, and timing across all connected devices.

    ★ 4.62,269 ratingsLifestyleFreeData updated 2026-09-10
  6. Screen Recorder ™ Record Shot app icon

    Screen Recorder ™ Record Shot

    Pretty Boa Media Ltd

    And facecam with audio

    With facecam and audio capture. Save recordings directly to device. Access pro features for ad-free use and private sharing.

    ★ 4.42,236 ratingsPhoto & VideoFreeData updated 2026-09-17
  7. Spectrum Compact Simulator app icon

    Spectrum Compact Simulator

    SAF Tehnika AS

    Discover handheld microwave spectrum analyzer functions.

    The app simulates real microwave radio spectrum data. It demonstrates the functions of a handheld microwave spectrum analyzer for antenna alignment, troubleshooting, and maintenance.

    ★ 1.01 ratingsUtilitiesFreeData updated 2026-11-09
  8. WGTS 91.9 app icon

    WGTS 91.9

    Atlantic Gateway Communications, Inc.

    Stream music and podcasts offline

    Stream live radio broadcasts featuring Christian music from artists like King & Country and Lauren Daigle. Access station schedules, listen to on-demand content, and view community updates.

    ★ 4.91,713 ratingsMusicFreeData updated 2026-09-06
  9. Compound Interest Simulator app icon

    Compound Interest Simulator

    Andre Leite Barbosa Costa

    Simulate investments and track growth

    Calculate investment returns using formulas. Input initial amount, monthly contributions, and time frame. Visualize growth with charts and graphs. Set financial goals and track progress over time.

    ★ 4.9424 ratingsFinanceFreeData updated 2026-11-03
  10. UISP Mobile app icon

    UISP Mobile

    Ubiquiti Inc.

    Integrate and manage ISP devices

    Configure and manage Ubiquiti ISP devices from one interface. Integrate devices into the controller. Setup devices using Bluetooth or management radio. Monitor network performance and adjust settings remotely.

    ★ 4.31,072 ratingsProductivityFreeData updated 2026-09-12
  11. UniChar — Unicode Keyboard app icon

    UniChar — Unicode Keyboard

    Jordan Hipwell

    Find, type, and use characters

    Access characters and symbols not available on standard iOS keyboards. Search and select characters by category or keyword. Type special symbols directly or copy them for use elsewhere. Customize layout for quick access to frequently used characters.

    ★ 4.71,624 ratingsReferenceFreeData updated 2026-09-09
  12. Spectral Eye app icon

    Spectral Eye

    Patrick Madden

    See sound as vibrating frequencies

    Displays sound frequencies using a Fast Fourier transform. Users can visualize incoming sound as individual sine waves. The shows frequency spectrum displays to analyze audio components.

    ★ 4.984 ratingsMusicFreeData updated 2026-09-08
  13. NoteGen - AI Note Taking app icon

    NoteGen - AI Note Taking

    BUD TECHNOLOGIES, PTE. LTD.

    Record audio, format notes, search content

    Automates - by recording audio and generating formatted notes and summaries. Allows searching for key terms and topics. Provides live captions for accessibility. Ensures built-in privacy with no third-party sharing.

    ★ 4.7432 ratingsProductivityFreeData updated 2026-09-06
  14. Text To Speech With AI. app icon

    Text To Speech With AI.

    Cookie in the fridge LLC

    Convert to adjustable voice and pitch

    Convert to adjustable voice, pitch, and speed. Choose from multiple voices. Read from files, typed input, or scanned documents via camera. Edit before playback. Save and share audio outputs.

    ★ 4.4712 ratingsUtilitiesFreeData updated 2026-09-06
  15. Pitch Checker: Chromatic Tuner app icon

    Pitch Checker: Chromatic Tuner

    Shigeki Matsunaka

    Record audio and display waveform data

    Analyze real-time audio for musical scale, , octave, frequency, and waveform. Measure vocal range and detect Do, Re, Mi. Practice accuracy and tune instruments. Pause analysis to review results. Display waveform and frequency data for voice training.

    ★ 4.6597 ratingsMusicFreeData updated 2026-09-21
  16. Muse: Brain Health & Sleep app icon

    Muse: Brain Health & Sleep

    InteraXon Inc

    Track activity and improve focus

    Track activity using Alpha Peak Frequency to assess cognitive performance. Monitor progress over time and set goals for improvement. Sync with devices to analyze focus and patterns.

    ★ 4.31,468 ratingsHealth & FitnessFreeData updated 2026-09-09

How we rank alternatives

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