Comparison

Frequency Converter vs SignalGen31

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

Head to head
About

Frequency Converter

Easily convert frequencies between Hertz, Kilohertz, Megahertz, and Gigahertz. This tool is designed for builders, electricians, scientists, and anyone needing quick frequency conversions.

Highlights
  • Convert Hertz (Hz)
  • Convert Kilohertz (kHz)
  • Convert Megahertz (MHz)
  • Convert Gigahertz (GHz)
  • Fast conversions
  • User-friendly interface
Features
Read full description

Frequency Converter is the fast frequency converter to convert for Hertz (Hz), Kilohertz (kHz), Megahertz (MHz), Gigahertz (GHz). You can use it if you builder, electrician, scientific or another cool man. Convert frequencies quickly and as you want. --- The Terms of Use https://feelmanapp.com/terms-conditions-for-frequency-converter/

About

SignalGen31

Features
Read full description

SignalGen31 is a powerful signal generator application designed for audio testing, Bluetooth device communication, and educational purposes. KEY FEATURES: • Multiple Waveform Types: Sine, Square, Triangle, and Sawtooth • Precise Parameter Control: Frequency (1-10,000 Hz), Amplitude, Phase, and Offset • Real-time Waveform Visualization • Bluetooth LE Server Mode for wireless communication • Audio Output Support • Clean, modern interface with neon-themed design TECHNICAL SPECIFICATIONS: • Frequency Range: 1 Hz to 10 kHz • Amplitude Control: 0.1V to 10V • Phase Control: 0° to 360° • DC Offset: -5V to +5V PERFECT FOR: • Audio equipment testing • Bluetooth device development • Educational demonstrations • Sound system calibration • Electronic prototyping • Signal processing experiments "You can use the app 5 times for free. After that, you will be directed to the purchase screen." Whether you're an audio engineer, electronics enthusiast, or student, SignalGen31 provides the tools you need for precise signal generation and transmission.

Screenshots

Frequency Converter2 screens
SignalGen314 screens

Verdict

The call

The clearest difference is update cadence: SignalGen31 at every 2 months against Frequency Converter's every 64 months. On price, ads, in-app purchases 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

Both are free to download. Frequency Converter sells 3 in-app purchases, starting at $0.99 per 7 days and SignalGen31 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Frequency Converter ships an update every 64 months, SignalGen31 every 2 months. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

Scorecard1 real difference · 8 level
Frequency Converter versus SignalGen31: the parameters behind the verdict, then further details
ParameterFrequency ConverterSignalGen31
PriceFreeFree
Rating5.0 (8 ratings) — better—
Number of ratings8 — better—
Update frequencyEvery 64 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.413.0 — better
Further details — not scored
Size2 MB19 MB
Age rating4+4+
DeveloperAnna FilobokDogukan Beyzade

In-app purchases

3 purchases

Frequency Converter

Subscriptions3
  • Premium Access$0.997 Days
  • Premium Access$1.991 Month
  • Premium Access$5.991 Year
1 purchases

SignalGen31

One-time1
  • Lifetime Premium$4.99

Questions

Is Frequency Converter free?
Frequency Converter is free to download, with in-app purchases available.
Is SignalGen31 free?
SignalGen31 is free to download, with in-app purchases available.
Do Frequency Converter or SignalGen31 have ads?
Neither Frequency Converter nor SignalGen31 shows ads.
Which is updated more often, Frequency Converter or SignalGen31?
Frequency Converter ships an update every 64 months, and SignalGen31 every 2 months. Most recently, Frequency Converter was updated on October 24, 2026 and SignalGen31 on October 15, 2026.

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