Comparison

iFunctionGenerator vs Tone Generator

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

Head to head
About

iFunctionGenerator

This utility transforms your iOS device into a versatile audio function generator. Create up to 20 independent generators producing various waveforms and noise types, with precise control over frequency, volume, and phase for each channel. Save and recall your settings for quick access.

Highlights
  • Multiple waveform generation (sine, triangle, sawtooth, square)
  • Pink and white noise generation
  • Up to 20 independent generators
  • Independent left/right channel volume control
  • Adjustable frequency from 1 to 20,000 Hz
  • Phase control
  • Save and load generator settings
Features
Read full description

iFunctionGenerator turns your iPhone, iPad, or iPod Touch into an audio function generator. You can have up to 20 generators, each operating at a different frequency. Each generator can be one of the following types: • Sine Wave • Triangle Wave • Sawtooth Wave • Square Wave • Pink Noise • White Noise The volume of the left and right channels can be independently controlled, and may be set using either a slider for ease, or direct entry of the volume, for maximum precision. The relative phase of each channel may also be set. Frequencies from 1 to 20,000 Hz may be entered. The phase can vary between -360 to 360 degrees. The volume may be between 0 and 100 percent. The mute button makes it easy to quickly silence the audio generators. You can take snapshots of the generator settings. This lets you build a library of settings, and quickly load the desired settings.

About

Tone Generator

Features
Read full description

Whether you're testing your speakers, fine-tuning instruments, exploring frequencies for tinnitus relief, or just curious about sound - Frequency Generator is the tool you need. Generate Pure Sound Waves Easily create sine waves in a frequency range from 1 Hz to 22,000 Hz. Frequency Generator delivers accurate tones and a clean interface, perfect for anyone from audio engineers to curious beginners. FEATURES: - Precise Frequency Control Drag to adjust the frequency or use configurable + / – step buttons for fine-tuning. - Manual Input Enter a specific frequency to jump straight to the sound you want. - Built-in Timer Play a sound for a set duration - great for testing or focused listening. - Background Playback Keep the frequency running while using other apps or when your screen is locked. Perfect For: - Speaker and headphone testing - Hearing range testing (typically 20 Hz to 20 kHz) - Finding your tinnitus tone - Sound therapy and relaxation - General sound exploration and education Upgrade to Premium for more control: - Set timers for automated playback - Save your own presets for quick access - Unlock all built-in presets for even more convenience Terms of service: https://mariolistudio.hr/apps/terms.html

Screenshots

iFunctionGenerator3 screens
Tone Generator3 screens

Verdict

The call

The clearest difference is price: Tone Generator at Free against iFunctionGenerator's $2.99. Tone Generator also leads on update cadence (every 5 months vs every 12 months). iFunctionGenerator's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On 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

Tone Generator is free to download; iFunctionGenerator costs $2.99 up front. Tone Generator sells 1 one-off in-app purchase. iFunctionGenerator asks for nothing beyond the download.

UpkeepUpdate frequency

iFunctionGenerator ships an update every 12 months, Tone Generator every 5 months. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

Scorecard5 real differences · 5 level
iFunctionGenerator versus Tone Generator: the parameters behind the verdict, then further details
ParameteriFunctionGeneratorTone Generator
Price$2.99Free — better
Rating4.4 (9 ratings) — better—
Positive reviews53.3% of reviews—
Number of ratings9 — better—
Update frequencyEvery 12 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS6.0 — better18.5
Further details — not scored
Size1 MB10 MB
Age rating4+4+
DeveloperBlack Cat SystemsIVANA RAST

In-app purchases

None

iFunctionGenerator

No in-app purchases

1 purchases

Tone Generator

One-time1
  • Frequency Generator Premium$6.99

Questions

Is iFunctionGenerator free?
iFunctionGenerator costs $2.99, with no in-app purchases.
Is Tone Generator free?
Tone Generator is free to download, with in-app purchases available.
Do iFunctionGenerator or Tone Generator have ads?
Neither iFunctionGenerator nor Tone Generator shows ads.
Which is updated more often, iFunctionGenerator or Tone Generator?
iFunctionGenerator ships an update every 12 months, and Tone Generator every 5 months. Most recently, iFunctionGenerator was updated on September 17, 2026 and Tone Generator on September 23, 2026.

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