Comparison

Guitar Tuner vs Frequency Meter PRO

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

Head to head
About

Guitar Tuner

This application provides a highly accurate chromatic tuner for any instrument. It features advanced noise cancellation and a detailed fine-tuning display, ensuring precise pitch readings for musicians of all levels. The tuner offers a fast refresh rate and works with any note.

Highlights
  • Works with any instrument
  • Chromatic tuning for any note
  • Accurate to 0.33 Hz
  • Noise cancellation slider
  • Fine tuning display (+/- 50 cents)
  • Fast 0.1 second refresh rate
Features
Read full description

A simple, free tuner that works. What the users are saying: "This is the only chromatic tuner that I tried on here that actually works." - dharris (USA) "Great app, love the noise cancellation thingy and it's probably the most accurate tuner on the app store" - Joshua Joe (New Zealand) "Awesome! - One of the best tuners on the app store! I'm impressed" - Ybxbmhnjgl (Canada) Guitar Tuner is a chromatic tuner which uses the iPhone/iPod microphone to give you an accurate pitch reading. Features: - works with any instrument! Guitar, Bass, Ukulele...you name it! - chromatic: works with any note! - accurate to 0.33 Hz - slider control to filter background noise - fine tuning display with +/- 50 cent range and 2 cent increments - wide range display shows +/- 2.5 semitones with 10 cent increments - extremely fast 0.1 second refresh rate

About

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.

Highlights
  • Real-time audio scanning
  • Spectrum analyzer visualization
  • Frequency oscilloscope
  • Adjustable noise threshold
  • Customizable frequency range
  • Export data to CSV
Features
Read full description

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

Guitar Tuner1 screens
Frequency Meter PRO3 screens

Verdict

The call

The clearest difference is review sentiment: Guitar Tuner at 61% against Frequency Meter PRO's 15%. Guitar Tuner also leads on price (Free vs $2.99) and rating (4.6 vs 1.8). Frequency Meter PRO's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence 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

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

ReceptionRating · Positive reviews · Number of ratings

Guitar Tuner holds the better App Store score, 4.6 against 1.8. That said, the two scores are not equally well evidenced: Guitar Tuner has 8.2K ratings behind it against 30, so its average is the more settled of the two. Written reviews point the same way: 61% of Guitar Tuner's written reviews are positive against 15% of Frequency Meter PRO's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 months. Both last shipped on September 24, 2026.

Scorecard8 real differences · 2 level
Guitar Tuner versus Frequency Meter PRO: the parameters behind the verdict, then further details
ParameterGuitar TunerFrequency Meter PRO
PriceFree — better$2.99
Rating4.6 (8.2K ratings) — better1.8 (30 ratings)
Positive reviews61.4% of reviews — better14.7% of reviews
Number of ratings8.2K — better30
Update frequencyEvery 4 monthsEvery 4 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.68.0 — better
Further details — not scored
Size6 MB3 MB
Age rating4+4+
DeveloperLast Harmonic LLCLubomir Havran BINARTS

Customer experience

Guitar Tuner

All ratings8,205 ratings
Positive90.4%
Neutral4.0%
Negative5.6%
Written reviews329 reviews
Positive61.4%
Neutral5.5%
Negative33.1%

Frequency Meter PRO

All ratings30 ratings
Positive13.3%
Neutral10.0%
Negative76.7%
Written reviews75 reviews
Positive14.7%
Neutral6.7%
Negative78.7%

User reviews

Guitar Tuner

From 8.2K App Store ratings

What we love

  • 👍 Simple and easy to use
  • 🚀 Accurate tuning
  • 💡 Useful background noise filter
  • 🎨 Clean and intuitive interface
  • 🆓 Free and no ads

Room to improve

  • 🐛 Unstable and freezes/crashes frequently
  • 🤔 Struggles with lower strings and some notes
  • 🤷‍♂️ Inconsistent performance across devices
  • 🙄 Displays incorrect note information at times

Frequency Meter PRO

From 30 App Store ratings

What 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

Guitar Tuner

Reported bugs

3 issues
  • Freezes and crashes on certain devices
  • Incorrect note detection and tuning
  • Fails to work in noisy environments

Requested features

3 requests
  • Add more tuning options (e.g. drop tunings)
  • Improve stability and reduce crashes
  • Provide 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 more
  • 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 more
  • 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

1 purchases

Guitar Tuner

One-time1
  • Remove Ads$4.99
None

Frequency Meter PRO

No in-app purchases

Questions

Is Guitar Tuner free?
Guitar Tuner 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, Guitar Tuner or Frequency Meter PRO?
Guitar Tuner is rated higher. Guitar Tuner averages 4.6 out of 5 from 8.2K ratings, while Frequency Meter PRO averages 1.8 from 30 ratings.
Do Guitar Tuner or Frequency Meter PRO have ads?
Guitar Tuner shows ads; Frequency Meter PRO does not.
Which is updated more often, Guitar Tuner or Frequency Meter PRO?
Guitar Tuner ships an update every 4 months, and Frequency Meter PRO every 4 months. Most recently, Guitar Tuner was updated on September 24, 2026 and Frequency Meter PRO on September 24, 2026.

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