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 161–180 of 1,000 ranked alternatives.

  1. Cell Tower EMF Locator LTE Map app icon

    Cell Tower EMF Locator LTE Map

    Jose Bello

    Detect towers, view coverage, measure EMF

    View locations and coverage details using augmented reality. Tap on towers to see distance, provider name, and signal strength. Check electromagnetic radiation levels from nearby towers.

    ★ 4.1426 ratingsUtilities$2.99Data updated 2026-09-16
  2. Time Zone Clock - GoTime app icon

    Time Zone Clock - GoTime

    Bushman, LLC

    Sync clocks and alarms across zones

    Set alarms based on specific zones to ensure they trigger at the correct local . View current for any city. Sync alarms across devices. Adjust zones instantly for accurate scheduling.

    ★ 4.4221 ratingsUtilitiesFreeData updated 2026-09-06
  3. The Official WMUZ App app icon

    The Official WMUZ App

    KIMTRON INC

    Listen to radio, contribute, and access hosts

    Stream live Christian radio broadcasts from Detroit. Listen to hosts and advertisers. Submit donations. Access station information and schedules. Share content socially.

    ★ 4.554 ratingsMusicFreeData updated 2026-09-24
  1. ADHD Schedule Planner: Weel app icon

    ADHD Schedule Planner: Weel

    Executive Functioning Oy

    Track time, organize tasks, manage focus

    Track time with a 24-hour analog watchface that displays a full-circle view of daily activities. Set reminders, manage tasks, and synchronize across time zones. Adjust visual cues for focus and time management.

    ★ 4.4412 ratingsProductivityFreeData updated 2026-09-06
  2. Old Japanese Clock Lite app icon

    Old Japanese Clock Lite

    Takafumi AMANO

    Read Japanese historical documents easily.

    The app displays the Temporeki clock, a temporal hour system used in late Edo era Japan. It is useful for reading historical documents and adjusting Japanese clocks.

    ★ 4.54 ratingsLifestyleFreeData updated 2026-11-01
  3. Guadalupe Radio Network App app icon

    Guadalupe Radio Network App

    Miriam Technologies, Inc.

    Listen to live radio broadcasts now.

    The app provides live broadcasts from the Guadalupe Radio Network. Users can access archived shows, podcasts, and program information.

    ★ 4.726 ratingsLifestyleFreeData updated 2026-09-29
  4. PSK31 app icon

    PSK31

    Black Cat Systems

    View ham radio PSK31 transmissions now.

    The app allows users to view ham radio PSK31 transmissions on an iPad. Users can place their iPad near a radio, tune to a PSK31 frequency, and see decoded text along with a waterfall display of the audio spectrum.

    ★ 3.615 ratingsLifestyle$2.99Data updated 2026-10-11
  5. Wooden Clock app icon

    Wooden Clock

    Emerson Design, Inc.

    A digital homage to old clocks.

    The app recreates the experience of old wooden clocks with ticking sounds and hourly chimes. It features custom graphics and a pendulum, offering a nostalgic look at timekeeping.

    ★ 3.26 ratingsUtilities$2.99Data updated 2026-09-25
  6. Fish Aquarium Life Simulator app icon

    Fish Aquarium Life Simulator

    Gaming OPS

    Decorate, feed, and care

    Decorate aquariums with various species. Feed, play with, and observe interactions. Manage a farm by breeding and selling . Customize underwater environments and track growth.

    ★ 4.3442 ratingsGamesFreeData updated 2026-09-06
  7. Faker 3 - Call Simulator app icon

    Faker 3 - Call Simulator

    Vladislav Kovalyov

    Simulate calls and preview scenarios

    Simulate voice and video calls with customizable scenarios. Set caller names and avatars. Choose or import ringtone. Adjust vibration and sound settings. Preview and schedule calls for testing or demonstration.

    ★ 4.4434 ratingsEntertainmentFreeData updated 2026-09-18
  8. Amp Volume Booster: Boom me dB app icon

    Amp Volume Booster: Boom me dB

    丹丹 李

    Boost audio instantly

    Boost audio for videos and games up to 1000%. Adjust sound levels manually. Supports various file formats. No ads or additional features.

    ★ 4.6284 ratingsReferenceFreeData updated 2026-09-06
  9. Mother Simulator - Mom Game app icon

    Mother Simulator - Mom Game

    Jeba Takia Sumyia

    Simulate parenting, care for child, manage home

    Manage a virtual family by feeding, cleaning, and caring for a child. Complete daily tasks to progress through the . Earn rewards for completing motherhood responsibilities. Track time spent on activities and manage household duties.

    ★ 4.5288 ratingsGamesFreeData updated 2026-09-06
  10. Ham Radio Exam Extra app icon

    Ham Radio Exam Extra

    Roy Watson

    Pass the Extra Class Radio License

    The app helps users prepare for the Extra Class FCC Amateur Radio License exam. It offers question review, topic quizzes, and simulated exams to track progress.

    ★ 4.661 ratingsEducationFreeData updated 2026-10-10
  11. Kaiyo - Cheer app icon

    Kaiyo - Cheer

    Guangzhou Ayin Technology Co.,Ltd

    Generate story continuations from comics

    Upload comic images to analyze characters and scenes. Generate story continuations using AI. Engage in real-time conversations with AI characters. Edit and refine generated content. Export story outputs for sharing or further use.

    ★ 4.6226 ratingsUtilitiesFreeData updated 2026-09-06
  12. Mentor Breast Simulator app icon

    Mentor Breast Simulator

    Arbrea Labs AG

    Visualize sizes in AR

    Visualize augmentation options using 3D AR technology. Explore different sizes and shapes in real-time. Store all images locally on the device. Register and download the to start the simulation process.

    ★ 3.998 ratingsLifestyleFreeData updated 2026-09-06
  13. Sweat Sessions Studio app icon

    Sweat Sessions Studio

    Aubre Winters Fitness LLC

    Synchronize workouts and track progress

    Track workouts and monitor progress with detailed session logs. Access a variety of fitness classes and routines. Set personal goals and receive reminders. Sync with wearable devices to view real-time stats.

    ★ 5.038 ratingsHealth & FitnessFreeData updated 2026-09-06
  14. iCarPlayer app icon

    iCarPlayer

    涛 余

    Connect devices and stream music

    Enable Bluetooth connectivity for mobile and car communication. Control FM frequency via phone, stream music, and create a personalized radio station. Sync local music from phone to car for on-the-go playback.

    ★ 1.5101 ratingsEntertainmentFreeData updated 2026-09-09
  15. Parlay. app icon

    Parlay.

    ONE WRIGHT COMPANY, LLC

    Listen to radio and read news articles

    Access daily news, blogs, webinars, travel guides, history content, HBCU resources, radio, recipes, and podcasts. Listen to Vibe95 Afrobeat radio. Read free books, magazines, and short stories in the BOOK BAR.

    ★ 4.9110 ratingsLifestyleFreeData updated 2026-09-06
  16. Bass Enhancer app icon

    Bass Enhancer

    RRS, OOO

    Enhance in your audio tracks

    Enhance frequencies with real-time equalization and saturation controls. Adjust low-end resonance and harmonic distortion. Load presets or customize settings. Save and recall configurations. Available as a time-limited demo with reload options.

    ★ 4.537 ratingsMusicFreeData updated 2026-09-24
  17. Baluster Calculator Elite app icon

    Baluster Calculator Elite

    Cyberprodigy LLC

    Calculate baluster spacing measurements easily.

    The app calculates baluster spacing measurements for flat and rake handrails. It provides outputs such as the number of balusters, space between centers, and measurements for marking baluster centers.

    ★ 4.9368 ratingsUtilities$8.99Data updated 2026-11-12

How we rank alternatives

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