# n vs Frequency Meter PRO

The clearest difference is review sentiment: n at 76% against Frequency Meter PRO's 15%. n also leads on price (Free vs $2.99) and rating (4.7 vs 1.8). Frequency Meter PRO's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

n is free to download; Frequency Meter PRO costs $2.99 up front. n sells 1 one-off in-app purchase. Frequency Meter PRO asks for nothing beyond the download.

n holds the better App Store score, 4.7 against 1.8. That said, the two scores are not equally well evidenced: n has 3.2K ratings behind it against 30, so its average is the more settled of the two. Written reviews point the same way: 76% of n's written reviews are positive against 15% of Frequency Meter PRO's.

n ships an update every 2 weeks, Frequency Meter PRO every 4 months. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | n | Frequency Meter PRO |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.7 (3.2K ratings)](https://appshunter.io/ios/app/n-track-tuner/id409786458/reviews)** | [1.8 (30 ratings)](https://appshunter.io/ios/app/frequency-meter-pro/id559840622/reviews) |
| Number of ratings | **3.2K** | 30 |
| Positive reviews | **76.0% of reviews** | 14.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 77 MB | 3 MB |
| Requires iOS | 11.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [n-Track S.r.l.](https://appshunter.io/developer/402685768) | [Lubomir Havran BINARTS](https://appshunter.io/developer/557200855) |

## What reviewers say

### n

[App page](https://appshunter.io/ios/app/n-track-tuner/id409786458)

Easily tune a variety of musical instruments using your smartphone's microphone. Offers high precision with advanced audio recognition and multiple visual feedback modes. Supports manual tuning and calibration for custom needs.

**Highlights:** High precision tuning, Spectrum Analyzer, Instrument selection, Tune Fork reference tone, Needle tuner, Adjustable sensitivity and precision

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pro features and remove ads | $12.99 | one-time |

**What reviewers like**

- ⭐ Accurate tuning
- 🎨 Useful visual feedback
- 📊 Detailed frequency analysis
- 🎶 Works well for various instruments
- 🆓 Reliable free version

**What reviewers complain about**

- 💰 Intrusive ads in free version
- 🔒 Paywall for advanced features
- 🔋 High battery consumption
- 🐛 Occasional bugs and crashes

**Reported bugs**

- Inaccurate note detection
- Freezing during use
- Compatibility issues with certain instruments

**Requested features**

- Option to remove ads
- Improved compatibility with lower-end devices
- More customization options


### 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


## Frequently asked questions

### Is n free?

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

### Is Frequency Meter PRO free?

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

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

n is rated higher. n averages 4.7 out of 5 from 3.2K ratings, while Frequency Meter PRO averages 1.8 from 30 ratings.

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

n shows ads; Frequency Meter PRO does not.

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

n ships an update every 2 weeks, and Frequency Meter PRO every 4 months. Most recently, n was updated on September 23, 2026 and Frequency Meter PRO on September 24, 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.*