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 101–120 of 1,000 ranked alternatives.

  1. Puzzle Clock app icon

    Puzzle Clock

    Oliver Klemenz

    Set all nine clocks to 12.

    The app presents a two-sided puzzle with nine clocks on each side. The objective is to set all clocks to 12 o'clock simultaneously using four corner wheels and four middle buttons that control clock rotation.

    ★ 4.121 ratingsGamesFreeData updated 2026-10-09
  2. Smart Widget - Standby & Theme app icon

    Smart Widget - Standby & Theme

    MAPLE LABS COMPANY LIMITED

    Set mode with custom widgets

    Customize mode with personalized widgets, icons, and themes. Set wallpapers, clocks, and weather displays. Choose from multiple themes and icon packs. Syncs with iOS 17+ for full functionality.

    ★ 4.3881 ratingsUtilitiesFreeData updated 2026-10-06
  3. PLC Simulator, PLC Trainer app icon

    PLC Simulator, PLC Trainer

    David White

    Learn PLC basics and simulate programming

    Learn PLC basics through interactive lessons and a simulator. Explore block diagrams and experiment with programming. Use 3 timers, 2 counters, 6 compare instructions, 2 binary outputs, and 3 RES outputs.

    ★ 3.959 ratingsUtilitiesFreeData updated 2026-09-14
  1. Ham Radio Exam - Tech app icon

    Ham Radio Exam - Tech

    Roy Watson

    Pass the Technician Amateur Radio Exam.

    The app prepares users for the Technician Class FCC Amateur Radio License exam. It offers study tools, topic quizzes, and simulated exams based on the official question pool, with performance tracking.

    ★ 4.6242 ratingsUtilitiesFreeData updated 2026-10-10
  2. eClock! app icon

    eClock!

    庆猛 邓

    Record time with customizable clocks

    Record time with customizable clock styles including flip, digital, and classical designs. Choose from smooth rotation, second hand sound, and elegant dials. Track time for daily use, study sessions, or focus exercises.

    ★ 4.6173 ratingsUtilitiesFreeData updated 2026-09-30
  3. iCatholicRadio app icon

    iCatholicRadio

    Holy Family Communications Inc

    Stream Catholic music and radio

    Stream Catholic music and radio shows featuring Gregorian chants and modern Catholic songs. Access Scripture, pray with devotionals and Mass, explore Church history, and watch Catholic apologetics videos. Listen to live and on-demand content.

    ★ 4.7235 ratingsLifestyleFreeData updated 2026-09-08
  4. ▸ Calculator + app icon

    ▸ Calculator +

    CAT VIET SOFTWARE DEVELOPMENT & MEDIA JSC

    Calculate, convert, and solve equations

    Perform complex calculations using 12 built-in calculators including scientific, financial, and unit conversion tools. Input formulas with three modes: standard, string, and RPN.

    ★ 4.7899 ratingsUtilities$1.99Data updated 2026-09-08
  5. Audiobus: Mixer for Music Apps app icon

    Audiobus: Mixer for Music Apps

    Audiobus Pty. Ltd.

    Connect , route audio, create

    Route audio or MIDI between compatible using virtual cables. Apply effects to synthesizers or sequencers. Control multiple with a single interface for live performances and production.

    ★ 4.5593 ratingsMusicFreeData updated 2026-09-11
  6. HAM Test Prep Lite: Technician app icon

    HAM Test Prep Lite: Technician

    Patrick J Maloney LLC

    Practice amateur radio license exam questions.

    The app provides practice questions and exams for the Technician class amateur radio license. It identifies areas needing further practice and allows users to review FCC rule text.

    ★ 4.7168 ratingsEducationFreeData updated 2026-09-10
  7. Bible Podcast Player app icon

    Bible Podcast Player

    Lam Huynh

    Play podcasts, search, cache audio

    Search for podcasts using the iTunes API. Play audio one at a time with background playback. Cache downloaded audio within the . Automatically queue the next . Adjust playback speed settings.

    ★ 4.6547 ratingsLifestyleFreeData updated 2026-09-27
  8. Nuke Simulator - Blast Map app icon

    Nuke Simulator - Blast Map

    方元 朱

    Simulate nuclear explosions and calculate affected areas

    Calculate radiation radius and casualties based on nuclear weapon yields. Input explosion details to estimate affected areas. Display results for evacuation planning and educational purposes.

    ★ 4.6917 ratingsUtilitiesFreeData updated 2026-09-06
  9. Butterfly Knife app icon

    Butterfly Knife

    Lukas Lubbe

    Collect and play with knives.

    The app simulates butterfly knives with realistic animations and sounds. Users can collect different knife sizes and use left-handed support.

    ★ 3.8748 ratingsEntertainmentFreeData updated 2026-10-20
  10. Jazz and Blues! app icon

    Jazz and Blues!

    Unicom TOV

    Stream and blues radio stations

    Stream music from over 80 live and blues radio channels. Add favorite stations and adjust volume. Use 9-band graphic equalizer with predefined setups. Auto-replay last channel on startup. Control playback from headphone buttons. Run in background.

    ★ 4.7245 ratingsMusicFreeData updated 2026-09-21
  11. Audio Function Generator PRO app icon

    Audio Function Generator PRO

    Thomas Gruber

    Generate tones and sound effects

    Nd play test tones including sine, rectangular, triangular, and sawtooth waves. Create and play frequency sweep tones in ascending and descending directions. Adjust frequency, amplitude, and duration settings.

    ★ 4.8270 ratingsMusic$14.99Data updated 2026-11-03
  12. Japanese Radio 日本のラジオ app icon

    Japanese Radio 日本のラジオ

    IGEARS TECHNOLOGY LTD

    Listen to Japanese radio channels easily.

    The app provides various Japanese radio channels for mobile users. Users can find and listen to broadcasts conveniently at any time and any place.

    ★ 3.25 ratingsEntertainmentFreeData updated 2026-10-28
  13. SHX8800 app icon

    SHX8800

    Quanzhou Senhaixun Electronic Technology Co., Ltd.

    Edit radio parameters via Bluetooth

    Adjust radio parameters via Bluetooth connection. Modify frequency, volume, and channel settings. Save and recall configurations. Sync settings with paired devices.

    ★ 3.73 ratingsUtilitiesFreeData updated 2026-09-19
  14. Vision Christian Media app icon

    Vision Christian Media

    United Christian Broadcasters Australia Ltd

    Listen to radio and podcasts

    Access live radio streams, watch videos, and listen to podcasts. View latest news and current events. Set reminders for daily devotionals and track prayer requests. Sync with other platforms.

    ★ 4.8124 ratingsLifestyleFreeData updated 2026-09-08
  15. AM 970 The Answer app icon

    AM 970 The Answer

    Salem Radio Operations, LLC

    Listen to radio

    Listen to live radio broadcasts from . Stream audio content on-demand. Access show schedules and artist information. Subscribe to alerts for upcoming events and special programs.

    ★ 3.513 ratingsEntertainmentFreeData updated 2026-09-08
  16. Ruddarr app icon

    Ruddarr

    Ruddarr

    Manage movies, TV shows, and releases

    Manage movies, documentaries, and TV series across multiple instances. Browse upcoming releases, receive notifications, and view activity logs. Customize appearance and synchronize settings between devices.

    ★ 4.9457 ratingsEntertainmentFreeData updated 2026-09-06
  17. Calculator: Basic & Scientific app icon

    Calculator: Basic & Scientific

    Wuhan Ananta Technology Co., Ltd.

    Calculate, convert, solve, track

    Perform calculations using a basic, scientific, currency, and units calculator. View calculation history, convert numbers to speech, and synchronize results across all calculator modes.

    ★ 4.6203 ratingsUtilitiesFreeData updated 2026-09-28

How we rank alternatives

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