Comparison

Frequency Sound Generator App vs Tone Generator EX

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Frequency Sound Generator App

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.

Highlights
  • Frequency range 1Hz to 25,000Hz
  • Wave visualization
  • Adjustable sensitivity
  • Multiple waveforms (Sine, Square, Sawtooth, Triangle)
  • Custom frequency range
  • Logarithmic and Linear slider modes
Features
Read full description

Frequency Sound Generator is a very simply Frequency Generator. It can provide sound frequencies in range from 1Hz to 25,000Hz. To use Frequency Generator, you could swipe your finger up and down to raise or lower the frequency of the tones. The user interface is very simple and clear. You could adjust the frequency up or down exactly in 1Hz with arrow button, and directly check the frequency by professional wave visualization. The human can hear from 20Hz to 20,000HZ, and you can use Frequency Generator to test your hearing. Usage scenarias: 1. Use Frequency Generator to annoy dogs, cats or people. 2. Use this app as dog whistle to train your dog or other pets. 3. Stop your neighbour’s dog from barking by adjusting the sound frequency until it works. 4. Use this app to tease your classmates or friends as a prank tool. 5. Mosquito repellent. Frequency Generator is easy to allow you to generate tones range from 0Hz to Ultrasonic 25kHz frequency. 1. Frequency Slider Scale - Choose between Logarithmic and Linear adjustment modes for precise frequency control 2. Adjustable Sensitivity - Select High, Medium, or Low sensitivity to match your preference for slider responsiveness 3. Multiple Waveforms - Generate different sound types including Sine, Square, Sawtooth, and Triangle waves 4. Custom Frequency Range - Set your preferred frequency range from 1 Hz to 25,000 Hz for personalized sound generation 5. Enhanced Settings - Intuitive settings interface for easy customization of all tone generation parameters Subscription Information : Frequency Sound Generator App offers an auto-renewing yearly subscription at $19.99 USD/year and auto-renewing weekly subscription at $5.99 USD/week to provide you with unlimited access to all premium features while you maintain an active subscription. Payment will be charged to the payment method connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after purchase. Terms of service: http://fireappspro.com/tone/frequency_terms_of_use.html Privacy policy: http://www.fireappspro.com/#portfolio Please get in touch if you have any problems via email.

About

Tone Generator EX

Generate a wide range of audio tones with adjustable frequencies and waveforms. Control playback in the background, from your notification drawer, or lock screen. The app automatically pauses for calls and alarms, and allows you to save custom presets.

Highlights
  • Frequency range 15Hz to 22KHz
  • Sine, Square, Sawtooth, Triangle waveforms
  • Auto-off timer
  • Background playback
  • Notification drawer control
  • Create custom presets
  • Set frequency by music note
Features
Read full description

Tone Generator EX is an audio tone generator. It provides following features: ● Frequency range from 15Hz to 22KHz. ● Can play 4 different waveforms: Sine/Square/Sawtooth/Triangle  ● Auto-off timer. ● Playback running in background. ● Playback can be controlled from the notification drawer, lock screen or headset button without having to reopen the APP. ● Auto-pause on incoming call, alarm, etc. ● You can create your own presets. ● Set frequency by selecting a music note.

Screenshots

Frequency Sound Generator App4 screens
Tone Generator EX3 screens

Verdict

The call

The clearest difference is in-app purchases: Tone Generator EX at none against Frequency Sound Generator App's 2. Tone Generator EX also leads on update cadence (every 9 days vs every 2 months) and review sentiment (91% vs 66%). Frequency Sound Generator App's advantage is ratings volume (5.2K vs 532). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Frequency Sound Generator App sells 2 in-app purchases, starting at $5.99 per 7 days. Tone Generator EX asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Tone Generator EX holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Frequency Sound Generator App has 5.2K ratings behind it against 532, so its average is the more settled of the two. Written reviews point the same way: 66% of Frequency Sound Generator App's written reviews are positive against 91% of Tone Generator EX's.

UpkeepUpdate frequency

Frequency Sound Generator App ships an update every 2 months, Tone Generator EX every 9 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
Frequency Sound Generator App versus Tone Generator EX: the parameters behind the verdict, then further details
ParameterFrequency Sound Generator AppTone Generator EX
PriceFreeFree
Rating4.5 (5.2K ratings)4.8 (532 ratings) — better
Positive reviews66.3% of reviews90.7% of reviews — better
Number of ratings5.2K — better532
Update frequencyEvery 2 monthsEvery 9 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationSubscriptionAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.010.0 — better
Further details — not scored
Size36 MB29 MB
Age rating4+4+
DeveloperMin KuAn-Che Lee

Customer experience

Frequency Sound Generator App

All ratings4,761 ratings
Positive87.0%
Neutral4.4%
Negative8.6%
Written reviews564 reviews
Positive66.3%
Neutral7.6%
Negative26.1%

Tone Generator EX

All ratings439 ratings
Positive95.7%
Neutral1.6%
Negative2.7%
Written reviews54 reviews
Positive90.7%
Neutral1.9%
Negative7.4%

User reviews

Frequency Sound Generator App

From 5.2K App Store ratings

What we love

  • 👍 Helpful for tinnitus
  • 🚀 Accurate frequency generation
  • 🎉 Great for meditation and relaxation
  • 💡 Useful for testing speaker systems
  • 🔍 Ability to test hearing range

Room to improve

  • 🐛 Difficulty adjusting precise frequencies
  • 🔊 Extremely high frequencies can be painful
  • 🔋 Stops playing when screen is locked
  • 📢 Excessive ads
  • 🤔 Mosquito repellent feature not effective

Tone Generator EX

From 532 App Store ratings

What we love

  • 👍 Clean, intuitive, and elegant interface design
  • 🎵 Precise frequency control with decimal accuracy
  • 💰 Completely free with no ads or subscriptions
  • ⚙️ Customizable A440 tuning standard adjustment
  • 💾 Preset saving and loading functionality

Room to improve

  • 📉 Limited frequency range (minimum 15Hz, maximum needs extension)
  • 🚫 No direct frequency input via typing
  • ⏸️ No export functionality for generated tones
  • 🔇 Clicking sounds during frequency adjustments
  • 📱 No stereo output capability

Bugs and requests

Frequency Sound Generator App

Reported bugs

3 issues
  • Frequency slider is overly sensitive
  • Displayed frequency doesn't match actual output
  • Inconsistent behavior between 'Play' and 'Mode' buttons

Requested features

4 requests
  • Option to save favorite frequencies
  • Ability to type in specific frequency values
  • Background playback support
  • Paid ad-free version

Tone Generator EX

Reported bugs

3 issues
  • App crashes and won't play after initial use
  • Requires unnecessary credit card information
  • Potential compatibility issues with newer iOS versions

Requested features

15 requests
  • Extend frequency range to 10Hz or lower (0-12Hz requested)
  • Extend upper frequency range to support .4-12Hz adjustments
  • Direct frequency input by typing instead of dial adjustment
  • VST3/AUv3/desktop plugin version for DAW integration
  • Frequency sweep functionality with adjustable speed
Show 10 more
  • Automated frequency sweep with smooth ascending/descending
  • Export generated tones to audio files
  • Stereo output capability
  • Automatic numerical sorting of presets
  • Play presets directly from list with individual play buttons
  • Output level attenuator in dB
  • Option to disable clicking sounds during frequency changes
  • Dual tone generation (play two frequencies simultaneously)
  • Paid ad-free version option
  • Duty cycle control for square waves

In-app purchases

2 purchases

Frequency Sound Generator App

Subscriptions2
  • Unlimited Access Weekly Plan$5.997 Days
  • Unlimited Access Yearly Plan$19.991 Year
None

Tone Generator EX

No in-app purchases

Questions

Is Frequency Sound Generator App free?
Frequency Sound Generator App is free to download, with in-app purchases available.
Is Tone Generator EX free?
Tone Generator EX is free to download, with no in-app purchases.
Which has better reviews, Frequency Sound Generator App or Tone Generator EX?
Tone Generator EX is rated higher. Frequency Sound Generator App averages 4.5 out of 5 from 5.2K ratings, while Tone Generator EX averages 4.8 from 532 ratings.
Do Frequency Sound Generator App or Tone Generator EX have ads?
Both Frequency Sound Generator App and Tone Generator EX show ads.
Which is updated more often, Frequency Sound Generator App or Tone Generator EX?
Frequency Sound Generator App ships an update every 2 months, and Tone Generator EX every 9 days. Most recently, Frequency Sound Generator App was updated on November 2, 2026 and Tone Generator EX on November 3, 2026.

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