Comparison

Frequency Detector Analyzer vs Belty

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

Head to head
About

Frequency Detector Analyzer

This application transforms your device into a precise sound analysis tool. It offers real-time frequency detection, visualization, and data logging for musicians, engineers, and curious individuals. Gain clarity and accuracy in understanding the soundscape around you.

Highlights
  • Live frequency tuner
  • Spectrogram visualization
  • Automatic logging and CSV export
  • Customizable logging interval
  • Elegant and modern design
  • Reliable performance
Features
Read full description

Frequency Detector is the ultimate tool for anyone who wants to truly understand sound. Whether you are a musician fine-tuning your instrument, a sound engineer analyzing audio, or simply curious about the world of frequencies around you, this app gives you clarity and precision in real time. With Frequency Detector, you never have to guess again. The app transforms your device into a reliable frequency detector that captures and analyzes sound instantly. Every measurement is displayed clearly so you always know exactly what frequency you are dealing with. Key Features: Live Tuner: See frequencies in real time with clear, accurate readings. Perfect for musicians, audio enthusiasts, and anyone needing a quick reference. Spectrogram: Visualize sound as it happens. Frequency Detector provides a powerful spectrogram view that lets you understand the structure of sound in a way numbers alone can’t explain. Logs & Export: Automatically log frequency readings over time and export them as a CSV file. Frequency Detector makes it easy to keep your data, share it, and use it anywhere. Elegant and Modern Design: A clean, intuitive interface ensures your focus stays on what matters: accurate sound analysis. Customizable Logging Interval: Control how often Frequency Detector records your sound measurements, giving you flexibility depending on your needs. Reliable Performance: Every feature in Frequency Detector is built to be stable and trustworthy, so you can rely on it for professional or personal use. Frequency Detector gives you the power to: Measure sound with precision. Track frequency changes over time. Export your work and share it instantly. Visualize sound patterns in a way that’s easy to understand. If you have ever wondered what pitch you’re hearing, needed proof of sound patterns, or wanted to turn your device into a professional tool, Frequency Detector is designed for you. This app is not a gimmick—it’s a real solution for real needs. No unnecessary clutter, no fake promises—just the essential tools that actually help you. Frequency Detector was created to solve the most important pain points: real-time measurement, accurate visualization, and effortless data logging. By using Frequency Detector, you will: Save time by getting accurate results instantly. Avoid mistakes caused by unreliable other apps. Gain confidence knowing that your device is now a precise frequency detector ready whenever you need it. Make the smart choice and upgrade to professional-level sound analysis. Frequency Detector delivers performance and reliability that sets it apart. We offer a 3 days free-trial followed by a weekly 4.99 USD plan. And also we offer a lifetime plan to have premium access forever with 14,99 USD. Terms of use EULA: https://sites.google.com/view/xmleula/home Privacy Policy: https://sites.google.com/view/odtconverterreader/home

About

Belty

This app analyzes the frequency of a plucked timing belt to help you tune it accurately. It provides real-time feedback, historical data, and includes calculators for tension and belt length.

Highlights
  • Real-time frequency analysis
  • Live tuning indicator
  • Measurement history
  • Tension calculator
  • Belt length calculator
  • On-device processing
Features
Read full description

Belty — Timing Belt Tuner Pluck a timing belt, and Belty tells you its frequency. Measure Real-time frequency analysis. Averages multiple plucks and reports the dominant frequency with a confidence interval, plus secondary tones for harmonic checking. Tune Set a target frequency and adjust the belt. A live indicator tells you tighter, looser, or on target, so you can dial in a span without stopping to re-measure. History Save, name, and favorite any measurement or calculation. Also includes a tension calculator (GT2 2mm/3mm, GT3 3mm, HTD 3M, HTD 5M, MXL, XL, plus custom belts from a datasheet), giving loose, medium, and tight targets in Hz and newtons, and a belt length calculator for open-belt geometry in both directions. Everything runs on device. No account, no data collected, no audio recorded. The mic is only used to listen to the belt.

Screenshots

Frequency Detector Analyzer3 screens
Belty4 screens

Verdict

The call

The clearest difference is review sentiment: Belty at 100% against Frequency Detector Analyzer's 0%. Belty also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 2). Frequency Detector Analyzer's advantage is ratings volume (23 vs 5) and device support (3 vs 1). On price 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

Both are free to download. Frequency Detector Analyzer sells 2 in-app purchases, starting at $8.99 per 7 days. Belty asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Belty holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 23 and 5 respectively. Written reviews point the same way: 0% of Frequency Detector Analyzer's written reviews are positive against 100% of Belty's.

UpkeepUpdate frequency

Frequency Detector Analyzer ships an update every 2 months, Belty every 11 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

Scorecard8 real differences · 2 level
Frequency Detector Analyzer versus Belty: the parameters behind the verdict, then further details
ParameterFrequency Detector AnalyzerBelty
PriceFreeFree
Rating4.4 (23 ratings)5.0 (5 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings23 — better5
Update frequencyEvery 2 monthsEvery 11 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size65 MB1 MB
Age rating4+4+
DeveloperNEURASYNCCoby Lai

Customer experience

Frequency Detector Analyzer

All ratings20 ratings
Positive85.0%
Neutral0.0%
Negative15.0%
Written reviews6 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Belty

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Frequency Detector Analyzer

Subscriptions1
  • Frequency Detector Weekly Sub3 Days trial$8.997 Days
One-time1
  • Frequency Detector Lifetime$29.99
None

Belty

No in-app purchases

Questions

Is Frequency Detector Analyzer free?
Frequency Detector Analyzer is free to download, with in-app purchases available.
Is Belty free?
Belty is free to download, with no in-app purchases.
Which has better reviews, Frequency Detector Analyzer or Belty?
Belty is rated higher. Frequency Detector Analyzer averages 4.4 out of 5 from 23 ratings, while Belty averages 5.0 from 5 ratings.
Do Frequency Detector Analyzer or Belty have ads?
Neither Frequency Detector Analyzer nor Belty shows ads.
Which is updated more often, Frequency Detector Analyzer or Belty?
Frequency Detector Analyzer ships an update every 2 months, and Belty every 11 days. Most recently, Frequency Detector Analyzer was updated on October 28, 2026 and Belty on October 24, 2026.

Other comparisons