Comparison

Frequency Meter PRO vs Frequency Generator

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

Head to head
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

About

Frequency Generator

Generate sound waves from 1Hz to 40000Hz with various waveforms. Analyze audio frequencies, test hearing, and use for relaxation or speaker cleaning. Offers a sleep timer for peaceful rest.

Highlights
  • Multiple waveform generation (Sine, Triangle, Sawtooth, Square)
  • Real-time frequency and sound level analysis
  • Hearing test and monitoring
  • Sleep timer for relaxation
  • Speaker cleaning function
  • Educational sound wave exploration
Features
Read full description

Generate precise tones from 1 Hz to 40,000 Hz with a clean sine, square, triangle, or sawtooth waveform. Frequency Generator is built for hearing tests, audio equipment checks, speaker cleaning, relaxation, and education. KEY FEATURES • Waveforms: sine, triangle, sawtooth, and square • Fine frequency control across audible and near-ultrasound ranges • Real-time frequency analyzer for sound levels and acoustics • Sleep timer for meditation, focus, or overnight playback • Hearing range checks (typically 20 Hz–20,000 Hz) USE CASES • Test hearing and track changes over time • Create binaural beats, white noise, or focus tones • Eject water or dust from speakers with targeted frequencies • Tune instruments and check headphones or speakers • Explore resonance, pitch, and sound science Auto-Renewable Subscription Terms: - Payment is charged to your Apple ID at confirmation of purchase. - Subscription renews automatically unless cancelled at least 24 hours before the end of the current period. - Your account is charged for renewal within 24 hours before the end of the current period. - Manage or cancel anytime in App Store Account Settings. Terms of Use: https://sunshinesoftwarelabs.com/terms/

Screenshots

Frequency Meter PRO3 screens
Frequency Generator3 screens

Verdict

The call

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 update cadence (every 3 weeks vs every 4 months). Frequency Meter PRO's advantage is in-app purchases (none vs 7) and device support (3 vs 1). On ratings volume and ads 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

Frequency Generator is free to download; Frequency Meter PRO costs $2.99 up front. Frequency Generator sells 7 in-app purchases, starting at $9.99 per year. Frequency Meter PRO asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Frequency Generator holds the better App Store score, 4.4 against 1.8. Both are backed by a comparable volume of ratings — 30 and 83 respectively. Written reviews point the same way: 15% of Frequency Meter PRO's written reviews are positive against 24% of Frequency Generator's.

UpkeepUpdate frequency

Frequency Meter PRO ships an update every 4 months, Frequency Generator every 3 weeks. Both last shipped on October 24, 2026.

Scorecard8 real differences · 2 level
Frequency Meter PRO versus Frequency Generator: the parameters behind the verdict, then further details
ParameterFrequency Meter PROFrequency Generator
Price$2.99Free — better
Rating1.8 (30 ratings)4.4 (83 ratings) — better
Positive reviews14.7% of reviews23.8% of reviews — better
Number of ratings3083 — better
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS8.0 — better16.0
Further details — not scored
Size3 MB26 MB
Age rating4+4+
DeveloperLubomir Havran BINARTSSunshine Software Labs

Customer experience

Frequency Meter PRO

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

Frequency Generator

All ratings82 ratings
Positive84.1%
Neutral4.9%
Negative11.0%
Written reviews21 reviews
Positive23.8%
Neutral0.0%
Negative76.2%

Bugs and requests

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

Frequency Generator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Frequency Meter PRO

No in-app purchases

7 purchases

Frequency Generator

Subscriptions6
  • 7 Day Free Then Get Premium$9.991 Year
  • 3 Days Free Trial Weekly VIP3 Days trial$9.997 Days
  • Get Premium Monthly$9.991 Month
Show 3 more
  • 3 Days Free Trial then Get Premium3 Days trial$19.991 Month
  • Get Premium Annual1 Month trial$49.991 Year
  • 7 Day Free Yearly VIP3 Days trial$49.991 Year
One-time1
  • Get Premium One Time Purchase$19.99

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 83 ratings.
Do Frequency Meter PRO or Frequency Generator have ads?
Neither Frequency Meter PRO nor Frequency Generator shows ads.
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 October 24, 2026 and Frequency Generator on October 24, 2026.

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