Curated apps similar to JJY Simulator, ranked by relevance and user ratings.
Record data and display readings
Choi Tsz Hei
Utilities
Collects and displays data from various sensors like accelerometer, gyroscope, GPS, and audio. Users can log device properties such as screen brightness and battery level.
Udio test tones
Media Punk Studios LLC
Utilities
Udio test tones with adjustable frequency and amplitude. Create sine waves from 20 Hz to 20 kHz. Add white noise, pink noise, and frequency sweeps via in- purchases. Support square, sawtooth, and triangle waves on compatible devices.
Set time, adjust seconds, track countdown
文雪 程
Utilities
Set precise time with options for Beijing or system time. Adjust seconds and milliseconds manually. Enable millisecond highlighting and toggle display visibility. Use countdown mode with smart hour/minute alerts. Hear audio cues for countdowns.
Simulate signals and calibrate your watch
瑜骏 朱
UtilitiesSimulate signals from 6 global stations for calibration. Receive and signals to adjust watches and clocks. Works with 2-Band radios anywhere without restrictions. Use device speakers to generate accurate audio signals.
Edit audio for iPhone ringtones
Nanning Jingya Technology Co., LTD
UtilitiesCreate custom ringtones and charging sounds directly on iPhone without a computer. Edit audio with precise 0.1-second trimming and fade effects. Extract audio from videos and convert files to m4a, caf, mp3, or wav formats.
Apple Inc.
UtilitiesNoise uses the microphone on Apple Watch Series 4 or later to track the decibel level of the sounds in the environment around you. Features • Open the Noise app to see an average of the current decibel level displayed on a level meter in real time.
Set timers for cooking, workouts, and meetings
Unicom TOV
UtilitiesSet timers for cooking, workouts, meetings, and other tasks. Customize colors for personalization. Set alarms with sound options. Pause and reset timers manually. Track elapsed time and remaining duration. Share timer sessions via social media.
Appmosys LLC
UtilitiesInstantly translate text into over 90 different languages! Use your Apple Watch to speak and have your words translated, or type a phrase directly into the iPhone app. Simple, streamlined interface and lightning fast results.
Set timers, track time, choose themes
woodsmall inc.
UtilitiesSet timers and stopwatches with customizable theme colors and alarm sounds. Receive notifications when timers finish. Enable vibration for alerts. Supports tablet use. Hide ads with a plug-in extension.
Pro App Company Limited
UtilitiesThis is a voice recorder that help users to record sound. It's useful for lectures, meetings, practice of foreign languages,...
Track watch time and compare manually
Hieu Pham
UtilitiesTrack watch accuracy by comparing time with a real clock at specific hours. Manage a watch collection with add, edit, and remove functions. Log manual synchronization sessions and view historical data for each watch.
Test speaker output and ambient noise
Yury Lipnitski
UtilitiesCheck speaker and monitor quality with real-time noise measurement and frequency analysis. Generate custom frequencies for testing. Adjust audio settings to enhance clarity. Access soothing sounds for relaxation.
Calculate, track, and save results
Junhyung Yu
UtilitiesPerform arithmetic, calculate loans, mortgages, GPA, dates, units, and BMI. Track calculation history for easy reference. Use a clean, intuitive interface for efficient computation.
Track Bluetooth devices and locate them nearby
AppFabric LLC
UtilitiesTrack Bluetooth devices by monitoring signal strength. Locate items by moving to areas with stronger signals. Access premium features via a subscription for automatic renewals and account management options.
Detect EMF levels in real time
NEURALFUL AI LTD
UtilitiesEMF Meter measures electromagnetic fields using the device’s magnetometer. Displays real-time graphs of EMF levels. Allows users to detect and analyze field strength in their environment.
Calculate , track duration, manage intervals
Ha Thanh
UtilitiesCalculate differences between dates and times. Add or subtract hours, minutes, and seconds. Convert formats and view results in various units. Track elapsed and set custom intervals.
Calculate , add, subtract, convert
Gabe Montague
UtilitiesCalculate values with hours, minutes, and seconds. Perform math operations including multiplication and division. Convert between distances and standard numbers. Track splits and paces for -based activities.
Practice iPhone with live demos
Muradyl Abdulhasan Uulu
UtilitiesLearn iPhone through an interactive that mirrors key screens with quick tips and live demos. Practice adjusting brightness, sound, and haptics without affecting the real system.
Squircle Apps LLP
Utilities*Weather Information and Lock Screen Widgets require iOS 16 or more. “What time is it in San Francisco when it’s 3PM my time? Will they switch to daylight savings next week? Alex told me to call them at 8:00AM their time, what will it be for me?” Keeping track of multiple time zones can become...
Measure levels accurately
Emre Can Altaca
UtilitiesMeasure levels in real time with precise readings. Display current and peak values. Log measurements over time and export data for analysis. Set customizable noise thresholds and receive alerts when levels exceed limits.
App information from Apple App Store. JJY Simulator and related trademarks belong to Tomoki Sekiyama.