# Frequency Meter PRO vs Frequency Generator

The clearest difference is price: Frequency Generator at Free against Frequency Meter PRO's $2.99. Frequency Generator also leads on rating (4.4 vs 1.8) and review sentiment (47% vs 15%). Frequency Meter PRO's advantage is in-app purchases (none vs 12) and ads (none vs shown). On device support there is nothing between them.

Frequency Generator is free to download; Frequency Meter PRO costs $2.99 up front. Frequency Generator sells 12 in-app purchases, starting at $4.99 per 7 days. Frequency Meter PRO asks for nothing beyond the download.

Frequency Generator holds the better App Store score, 4.4 against 1.8. That said, the two scores are not equally well evidenced: Frequency Generator has 471 ratings behind it against 30, so its average is the more settled of the two. Written reviews point the same way: 15% of Frequency Meter PRO's written reviews are positive against 47% of Frequency Generator's.

Frequency Meter PRO ships an update every 4 months, Frequency Generator every 3 weeks. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Frequency Meter PRO | Frequency Generator |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [1.8 (30 ratings)](https://appshunter.io/ios/app/frequency-meter-pro/id559840622/reviews) | **[4.4 (471 ratings)](https://appshunter.io/ios/app/frequency-generator-hz/id6469028689/reviews)** |
| Number of ratings | 30 | **471** |
| Positive reviews | 14.7% of reviews | **47.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 206 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lubomir Havran BINARTS](https://appshunter.io/developer/557200855) | [Boss Web SRL](https://appshunter.io/developer/1839514881) |

## What reviewers say

### Frequency Meter PRO

[App page](https://appshunter.io/ios/app/frequency-meter-pro/id559840622)

Analyze audio frequencies in real-time using your device's microphone. Visualize audio levels, noise, and frequency ranges with a spectrum analyzer and oscilloscope. Export data for further analysis.

**Highlights:** Real-time audio scanning, Spectrum analyzer visualization, Frequency oscilloscope, Adjustable noise threshold, Customizable frequency range, Export data to CSV

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✨ Identifies frequency quickly
- 💡 Can filter sound frequencies
- 💡 Detects harmonics
- 💡 Useful for ultrasonic devices
- 💡 Can be used to tune instruments

**What reviewers complain about**

- ❌ Inaccurate readings
- ❌ Not a reliable frequency meter
- ❌ Fake, toy, not a frequency meter
- ❌ Useless for tuning
- ❌ Waste of money

**Reported bugs**

- Sticks on a reading
- Below C4 indicates wrong notes
- Frequency range indicated when NOISE indicator is ON
- Fails to change output when tone changes
- Works only if shut down and restarted

**Requested features**

- Include a short/simple manual
- Explain how to find CSV file in iTunes
- Update with accuracy fix
- Allow measurement of frequencies above 20kHz
- Add help function for operation


### Frequency Generator

[App page](https://appshunter.io/ios/app/frequency-generator-hz/id6469028689)

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.

**Highlights:** Sleep Mode with Delta & Theta frequencies, Focus Mode with Alpha & Beta frequencies, Binaural and Isochronic beats, Customizable duration and volume, User-friendly interface, Offline Mode

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription Discount | $9.99 | per year |
| Yearly Subscription Discount | $19.99 | per year |
| Discount Best Value | $24.99 | per year |
| Yearly with 30 day 50% off | $24.99 | per year |
| Yearly Discount POPULAR | $29.99 | per year |
| Free Trial | $29.99 | per year |
| Yearly Subscription | $39.99 | per year |
| Yearly Subscription | $39.99 | per year |
| Annual Subscription | $39.99 | per year |
| Lifetime | $149.99 | one-time |

**What reviewers like**

- 🚀 Straightforward app
- 🚀 Reliable app
- 🚀 Easy to use
- 🚀 Works just right
- 🚀 Relaxing to use

**What reviewers complain about**

- 🐛 Doesn't work
- 🐛 Timer doesn't work
- 🐛 Unreliable
- 🐛 Stops in background
- 🐛 Wrong numbers displayed

**Reported bugs**

- Timer shuts off after 30 seconds
- Subscription issues
- Free trial doesn't work
- Frequency-Spectrum issues

**Requested features**

- Add AirPlay support
- Increase frequency range up to 15 kHz
- Add more sound options
- Allow custom frequency selection
- Improve user instructions


## Frequently asked questions

### Is Frequency Meter PRO free?

Frequency Meter PRO costs $2.99, with no in-app purchases.

### Is Frequency Generator free?

Frequency Generator is free to download, with in-app purchases available.

### Which has better reviews, Frequency Meter PRO or Frequency Generator?

Frequency Generator is rated higher. Frequency Meter PRO averages 1.8 out of 5 from 30 ratings, while Frequency Generator averages 4.4 from 471 ratings.

### Do Frequency Meter PRO or Frequency Generator have ads?

Frequency Generator shows ads; Frequency Meter PRO does not.

### Which is updated more often, Frequency Meter PRO or Frequency Generator?

Frequency Meter PRO ships an update every 4 months, and Frequency Generator every 3 weeks. Most recently, Frequency Meter PRO was updated on September 24, 2026 and Frequency Generator on September 20, 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.*