n vs Frequency Meter PRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
n
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.
- High precision tuning
- Spectrum Analyzer
- Instrument selection
- Tune Fork reference tone
- Needle tuner
- Adjustable sensitivity and precision
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Tune your guitar, bass or other instruments with n-Track Tuner. Use this tuner in an easy, intuitive and free way with the integrated microphone of your smartphone. Downloaded over 5 million times! Just put your iPhone, iPod Touch or iPad next to your instrument and play each string. High precision and sensitivity thanks to the advanced audio recognition algorithm also used for n-Track Studio 8. n-Track Tuner works great as a guitar tuner, violin, viola, violoncello, bass, piano and wind instruments tuner. NEW: 6 different views: •||| Spectrum Analyzer |||• The spectrum analyzer provides a visual feedback of the notes played by the instrument and shows a small arrow to highlight the harmonic whose pitch the tuner is tracking. •||| Instruments |||• Use the manual mode to select and tune each string according to the selected instrument tuning (guitar, bass, violin, viola, cello, double bass, banjo, ukulele, mandolin, harp, and piano) Get the pro version to unlock all instruments views. •||| Tune Fork |||• For those who prefer to manually tune their instrument the 'Diapason' view lets you play a reference tone, 'A' (440 hz) or any other note that you can select dragging the frequency slider. •||| Needle |||• A handy old style tuner to accurately detect the frequencies of your instrument. •||| Sonogram |||• (PRO feature) The "Sonogram" tab shows how the frequency spectrum evolves with time, and shows how the note that the tuner is following evolves by tracing a green line. •||| 3D view |||• (PRO feature) 3D view lets you follow how the audio spectrum changes over time. ADVANCED FEATURES • adjust tuning sensitivity and precision up to 0.1 cents • western and latin note namings, alternate temperaments • calibrate the tuner for non-standard tunings: tune the reference note, tap on the display and select 'Calibrate' to set the note as the new reference • adjust the spectrum analyzer visualization options, select thicker spectrum lines, smooth out or highlights peaks, increase or decrease spectrum accuracy, zoom into a specific area of the spectrum Contact us: http://ntrack.com/support
Frequency Meter PRO
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.
- Real-time audio scanning
- Spectrum analyzer visualization
- Frequency oscilloscope
- Adjustable noise threshold
- Customizable frequency range
- Export data to CSV
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Frequency Meter PRO is a comprehensive tool for audio frequency diagnostics. Includes REAL TIME scanning of audio signal from internal or external microphone. *** OUTPUT *** Visualization is done on real like device that shows: - Audio level - Noise Level - Frequency range - Current frequency - Frequency oscilloscope - Spectrum analyzer *** ACCURACY *** Application is calibrated with real tone generator. Working range is around 15 - 22500 Hz, and accuracy around +/- 0.5 %. *** NOISE LIMIT *** You can easily set a limit that removes noise treshold with included trackbar. *** RANGE SELECTION *** Choose minimum and maximum frequency you want to scan. *** EXPORT *** You can export output chart to comma-separated file that you can later analyze with MS Excel or other table processor. Application shares document folder in iTunes. *** SUPPORT*** Please don't hesitate to write us for details or questions: lubomir.havran@gmail.com
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | n | Frequency Meter PRO |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.7 (3.2K ratings) — better | 1.8 (30 ratings) |
| Positive reviews | 76.0% of reviews — better | 14.7% of reviews |
| Number of ratings | 3.2K — better | 30 |
| Update frequency | Every 2 weeks — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 77 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | n-Track S.r.l. | Lubomir Havran BINARTS |
Customer experience
n
Frequency Meter PRO
User reviews
n
From 3.2K App Store ratingsWhat we love
- ⭐ Accurate tuning
- 🎨 Useful visual feedback
- 📊 Detailed frequency analysis
- 🎶 Works well for various instruments
- 🆓 Reliable free version
Room to improve
- 💰 Intrusive ads in free version
- 🔒 Paywall for advanced features
- 🔋 High battery consumption
- 🐛 Occasional bugs and crashes
Frequency Meter PRO
From 30 App Store ratingsWhat we love
- ✨ Identifies frequency quickly
- 💡 Can filter sound frequencies
- 💡 Detects harmonics
- 💡 Useful for ultrasonic devices
- 💡 Can be used to tune instruments
Room to improve
- ❌ Inaccurate readings
- ❌ Not a reliable frequency meter
- ❌ Fake, toy, not a frequency meter
- ❌ Useless for tuning
- ❌ Waste of money
Bugs and requests
n
Reported bugs
3 issues- Inaccurate note detection
- Freezing during use
- Compatibility issues with certain instruments
Requested features
3 requests- Option to remove ads
- Improved compatibility with lower-end devices
- More customization options
Frequency Meter PRO
Reported bugs
25 issues- 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
Show 20 moreShow fewer
- App crashes on open
- App worked only once, now nothing happens
- Crashes ever since the update
- Crashing at the push of a button
- Meter freezes
- Locks up after 3-5 seconds
- Buttons don't work
- App closes when buttons are pressed
- Cannot download
- Ne fonctionne pas sur iPad mini, pas d accès au micro
- Threshold sliders don't work as expected
- App doesn't read frequency and gives out odd numbers
- Barely works
- Crashes frequently
- Doesn't work on anything but a pure sine wave
- Fails to work on current iOS version
- Freezes every time I use it
- Does not work at all
- Random numbers displayed
- Sometimes determines frequency well, other times completely wrong
Requested features
15 requests- 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
Show 10 moreShow fewer
- Improve display readability
- Add option to filter background noise
- Allow selection of recording intervals
- Add real-time display of all main frequencies
- Allow filtering of frequencies in a certain range
- Include instructions in updates
- Increase size of data presentation screen
- Support for iPhone 5 resolution
- More control over frequency filtering
- Dark mode option
In-app purchases
n
- pro features and remove ads$12.99
Frequency Meter PRO
No in-app purchases
Questions
Is n free?
Is Frequency Meter PRO free?
Which has better reviews, n or Frequency Meter PRO?
Do n or Frequency Meter PRO have ads?
Which is updated more often, n or Frequency Meter PRO?
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