# Frequency Sound Generator App vs Tone Generator EX

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.

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.

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.

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.

## The numbers

| Metric | Frequency Sound Generator App | Tone Generator EX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (5.2K ratings)](https://appshunter.io/ios/app/frequency-sound-generator-app/id1238160553/reviews) | **[4.8 (532 ratings)](https://appshunter.io/ios/app/tone-generator-ex/id1462601423/reviews)** |
| Number of ratings | **5.2K** | 532 |
| Positive reviews | 66.3% of reviews | **90.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Subscription | **Ad-supported** |
| Size | 36 MB | 29 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Min Ku](https://appshunter.io/developer/1204192873) | [An-Che Lee](https://appshunter.io/developer/1314851569) |

## What reviewers say

### Frequency Sound Generator App

[App page](https://appshunter.io/ios/app/frequency-sound-generator-app/id1238160553)

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:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access Weekly Plan | $5.99 | per 7 days |
| Unlimited Access Yearly Plan | $19.99 | per year |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

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


### Tone Generator EX

[App page](https://appshunter.io/ios/app/tone-generator-ex/id1462601423)

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:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 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

**What reviewers complain about**

- 📉 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

**Reported bugs**

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

**Requested features**

- 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


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*