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Best Frequency Shifter App

222+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our frequency shifter app list covers 222+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Frequency Shifter App

Work Shift Calendar (Shifter)#1

Work Shift Calendar (Shifter) by Luis Alberto Reyes Halaby

The best app for shift workers
Editor's Choice
📊 Productivity
4.8😊(1.6K ratings)
FreeAdsIn-App Purchases
Work Shift Calendar (Shifter) screenshot 1
Work Shift Calendar (Shifter) screenshot 2
Work Shift Calendar (Shifter) screenshot 3
Work Shift Calendar (Shifter) screenshot 4
Work Shift Calendar (Shifter) screenshot 5
Work Shift Calendar (Shifter) screenshot 6

Organize your work schedule, track income, and manage appointments with customizable shifts and reminders. Features include daily, weekly, and monthly views, income statistics, and calendar export. Stay on top of your day with this comprehensive tool for shift workers.

What We Love

  • 👍 Easy to use
  • 🚀 Convenient for shift workers
  • 💰 Helps track income and pay
  • 🎨 Customizable colors and layout

Room to Improve

  • 🐛 Issues with syncing across devices
  • 🔍 Difficulty finding tutorial or instructions
  • 🔧 Limited ability to manage more than 2 shifts per day
Frequency Sound Generator App#2

Frequency Sound Generator App by Min Ku

High Pitch Sound Generator
Strong Contender
🔧 Utilities
4.5😊(4.8K ratings)
FreeAdsIn-App Purchases
Frequency Sound Generator App screenshot 1
Frequency Sound Generator App screenshot 2
Frequency Sound Generator App screenshot 3
Frequency Sound Generator App screenshot 4
Frequency Sound Generator App screenshot 5
Frequency Sound Generator App screenshot 6

Generate sound frequencies from 1Hz to 25,000Hz with a simple interface. Features include wave visualization, adjustable sensitivity, and multiple waveform options. Use it for hearing tests, pet training, or as a prank tool.

What We Love

  • 👍 Helpful for tinnitus
  • 🚀 Accurate frequency generation
  • 🎉 Great for meditation and relaxation
  • 💡 Useful for testing speaker systems

Room to Improve

  • 🐛 Difficulty adjusting precise frequencies
  • 🔊 Extremely high frequencies can be painful
  • 🔋 Stops playing when screen is locked
RadioApp - A Simple Radio App#3

RadioApp - A Simple Radio App by Firetruck Productions Ltd.

FM/AM Home & Car World Tuner
Worth Considering
🎵 Music
4.6😊(67K ratings)
FreeIn-App Purchases
#74in Music
RadioApp - A Simple Radio App screenshot 1
RadioApp - A Simple Radio App screenshot 2
RadioApp - A Simple Radio App screenshot 3
RadioApp - A Simple Radio App screenshot 4
RadioApp - A Simple Radio App screenshot 5
RadioApp - A Simple Radio App screenshot 6

Discover global radio stations with a stylish, analog-inspired interface. Features include automatic song identification, live rewind, and seamless CarPlay integration. Enjoy weather updates and personalized station management.

What We Love

  • 👍 Simple and intuitive interface
  • 🚀 Smooth and reliable performance
  • 🌍 Wide selection of global radio stations
  • 💡 Nostalgic radio tuning sound effects

Room to Improve

  • 🐛 Occasional connection issues and station unavailability
  • 🔋 Potential battery drain
  • 💰 Subscription model may be too expensive for some users

More Frequency Shifter App apps to explore

4
Frequency: Sound Generator
Frequency: Sound Generator
Frequency: Sound Generator
by Lucija Jaksic
Free

Generate various sound waves, including sine, square, sawtooth, and triangle, with adjustable frequencies from 1Hz to 22000Hz. Visually observe animated sound waves and control volume. Useful for testing hearing, speakers, instruments, and even cleaning water from speakers.

Generate sine, square, sawtooth, triangle wavesAdjustable frequency (1Hz-22000Hz)Animated sound wave visualization
🔧 Utilities
(340)
free with in-app purchases
5
Frequency Generator: HZ
Frequency Generator: HZ
Frequency Generator: HZ
432-528 Hertz Healing Sounds
Free

Enhance sleep and focus with scientifically engineered sound frequencies. This app offers customizable modes for deep slumber and peak concentration, utilizing binaural and isochronic beats. Enjoy an intuitive interface and offline access to boost your well-being and productivity.

Sleep Mode with Delta & Theta frequenciesFocus Mode with Alpha & Beta frequenciesBinaural and Isochronic beats
🎵 Music
(470)
free with in-app purchases
6
High Frequency Highway
High Frequency Highway
High Frequency Highway
Become your best self!
Free

Utilize a curated library of sounds and a binaural beat generator to improve sleep, focus, and relaxation. This app aims to guide users toward higher states of awareness, promoting emotional well-being and inner peace through meditation and sound.

Unique audiosSleep sounds & melodiesBinaural beat generator
🌟 Lifestyle
(0)
free with in-app purchases
7
Deputy: Shift Schedule Maker
Deputy: Shift Schedule Maker
Deputy: Shift Schedule Maker
Employee scheduling made easy!
Free

This app simplifies employee scheduling, time tracking, and workforce management for businesses. It allows for easy creation of balanced schedules, communication with staff, and integration with payroll systems. Employees can view their schedules, manage availability, and clock in/out.

Create balanced, cost-effective schedulesPublish shift information via push notificationFill open shifts with team pick-up
💼 Business
(3.8K)
free with in-app purchases
8
Shift Day Work Calendar: Spoke
Shift Day Work Calendar: Spoke
Shift Day Work Calendar: Spoke
Schedule Planner Hours Tracker
Free

Easily track your work shifts with a clear, intuitive calendar. Assign colors and names to shifts, add reminders, and view your entire month at a glance. Share your schedule and sync across devices.

Color-coded shift trackingIntuitive rota interfaceShift widget
📊 Productivity
(14K)
freemium
9
HzDetect Music Frequency Tuner
HzDetect Music Frequency Tuner
HzDetect Music Frequency Tuner
Find the frequency of any song
Free
🔧 Utilities
(1)
10
Tone Generator: Audio Sound Hz
Tone Generator: Audio Sound Hz
Tone Generator: Audio Sound Hz
Generate Audio Frequency Waves
Free

Create pure sine wave audio tones across a wide frequency range. This tool is ideal for tuning instruments, conducting hearing tests, performing science experiments, and testing audio equipment. Easily adjust frequencies and volume, with support for AirPlay devices.

Generate sine wave tonesFrequency range 20Hz - 22,000HzInstrument tuning
🎵 Music
(2.6K)
ad-supported
11
Binaural Beats-Brain frequency
Binaural Beats-Brain frequency
Binaural Beats-Brain frequency
Sleep Frequency Healing Sounds
Free

This app uses scientifically-proven audio frequencies to help users focus, relax, and improve sleep quality. It features real-time wave animations for fluid control of the audio experience.

Focus enhancementRelaxation soundsSleep improvement
🔧 Utilities
(21)
ad-supported
12
Frequency Sound Wave Generator
Frequency Sound Wave Generator
Frequency Sound Wave Generator
Try frequency generator tools
Free

Generate and analyze a wide range of sounds and frequencies. Explore tone generation, sound tests, musical tuning, and create custom sound effects. Visualize sound waves and experiment with different waveforms.

Single and multiple frequency generationMusical notes presetsBinaural beats
🔧 Utilities
(66)
free with in-app purchases
13
Radio App - Simple Radio Tuner
Radio App - Simple Radio Tuner
Radio App - Simple Radio Tuner
FM & AM Radio around the World
Free

Stream local and international FM/AM radio stations from around the world. Access over 100,000 stations covering music, sports, news, and more. Save favorites and listen in the background.

Stream radio from over 200 countriesAccess 10,000+ US radio stationsOver 100,000 worldwide stations
🔧 Utilities
(13K)
free with in-app purchases
14
The Analog Clock
The Analog Clock
The Analog Clock
Simple Analog Clock
Free

This app displays a customizable analog clock on your entire screen. Personalize background and theme colors, and choose between numbers or Roman numerals for the dial. A premium plan unlocks all designs and advanced customization options.

Full-screen analog clock displayAd-free clock viewingLandscape orientation support
🔧 Utilities
(2.1K)
freemium
15
Shifter: Handy shift calendar
Shifter: Handy shift calendar
Shifter: Handy shift calendar
by iDevBand s.r.o.
Free

Easily manage your work schedule with a vast database of company shifts worldwide. Add notes, track multiple profiles for friends, and never miss holidays with country-specific assignments.

Global company shift databaseAdd notes to shiftsMultiple profile tracking
📊 Productivity
(17)
ad-supported
16
ResoClear
ResoClear
ResoClear
Sonic Utility & Focus Sounds
Free

This app offers a comprehensive suite of audio tools, including a precise frequency generator, hardware testing capabilities, and focus-enhancing ambient sounds. It also features a metronome and guided breathing exercises for wellness and productivity.

Precision frequency generator (20Hz-20,000Hz)Audio hardware testing and optimizationWhite noise and nature sounds for focus
🔧 Utilities
(5)
freemium
17
MultiTone Generator
MultiTone Generator
MultiTone Generator
Frequency and Signal Generator
Free

Generate a wide range of audio test tones, including sine, rectangular, triangular, and sawtooth waves. Explore frequency sweeps, noise generation, and customizable settings. Upgrade for advanced features like creating multiple tone combinations and extended frequency ranges.

Generate sine, rectangular, triangular, and sawtooth wavesPlay frequency sweep test tonesSweep repeat/wobble function
🎵 Music
(354)
free with in-app purchases
18
Radio App - FM Transmitter
Radio App - FM Transmitter
Radio App - FM Transmitter
Worldwide & Local Stations
Free

This app helps you find the clearest FM radio station for your FM transmitter, ensuring uninterrupted music playback. It automatically detects your location or allows manual input to scan for optimal frequencies.

Automatic location trackingManual location inputClear station finder
🔧 Utilities
(6.6K)
free with in-app purchases
19
Humanity Schedule by TCP
Humanity Schedule by TCP
Humanity Schedule by TCP
Easy-To-Use Scheduling App
Free

Manage employee schedules, clock in/out, and handle shift changes directly from your mobile device. This app allows employees to pick up open shifts, request time off, and receive instant notifications. Managers can create schedules, track attendance, and communicate with their team.

Employee schedules on mobileClock in/out of shiftsSwap shifts with team members
💼 Business
(46K)
ad-supported
20
LIFELENZ
LIFELENZ
LIFELENZ
Liquid Workforce Management
Free

Manage your work roster with ease. View shift details, accept or reject assignments, and receive timely notifications. Track estimated earnings and swap shifts with colleagues.

View allocated shiftsShift detailsAccept/reject shifts
💼 Business
(280)
free