Comparison

Time Guru Metronome vs Audio Function Generator PRO

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

Head to head
About

Time Guru Metronome

This app strengthens your internal sense of rhythm by periodically going silent, testing your ability to maintain tempo. It offers random and patterned muting, complex meter sequences, and gradual tempo changes for comprehensive practice.

Highlights
  • Random and patterned muting
  • Complex meter sequences
  • Gradual tempo changes
  • Practice timer
  • Customizable sound sets
  • Voice counting
Features
Currently charting
Read full description

**Strengthen your internal sense of rhythm.** Time Guru is the only metronome that periodically goes silent—randomly, in patterns, or both—so you discover whether you rush, drag, or lose your place. **Random & Pattern Muting** Set any percentage of random muting to test your timekeeping. Or create sequenced muting patterns. Or combine both. You'll quickly learn where your time falls apart—and strengthen it. **Complex Meter Sequences** Build unlimited chains of shifting meters: 4/4 -> 7/8 -> 3/4 -> 11/16 -> 4/4 -> 3/8. Meters go up to 16/x, patterns have no length limit, and you can rearrange them with drag-and-drop. **Gradual Tempo Changes** Automatically speed up or slow down over time—perfect for building technique. **Practice Timer** Set the metronome to stop after a specified duration. **Also includes:** • 35 loud, clear sound sets • Drum machine-style rhythmic patterns • Voice counting in English, Chinese, French, German & Russian • Tap tempo (5–300 BPM) • iCloud backup and sync • Light and dark themes • Full VoiceOver accessibility • Rock-solid timing via custom audio engine Developed by Avi Bortnick and Adam Bellard

About

Audio Function Generator PRO

Generate various audio test tones, including sine, square, and sawtooth waves. Explore frequency and volume sweeps, custom presets, and different types of noise. Advanced settings allow for fine-tuning signal parameters and creating complex multi-tone sequences.

Highlights
  • Generate sine, square, triangular, and sawtooth tones
  • Frequency and volume sweep generation
  • Customizable presets and configurations
  • Multiple noise types (White, Pink, Violet, etc.)
  • Advanced signal parameter control
  • Multi-tone and dual function generation
Features
Currently charting
Read full description

This is the highly recommended and praised Function Generator App - an amazingly great and powerful tone generator. Enriched with a vast amount of features yet it is extremely intuitive and designed for simplicity. Get to know this great App now! It is very well maintained and has received considerable upgrades over the past years. So, … what can you do with this App? • PLAY TEST TONES Sine, Rectangular, Triangular and Sawtooth. • PLAY FREQUENCY SWEEP TEST TONES in both directions (minimum to maximum frequency and maximum to minimum frequency). • PLAY VOLUME SWEEPS (from minimum to maximum volume). • Try the SWEEP REPEAT / WOBBLE function. • Try the MUSIC TONES PLAYBACK. • Experiment with the huge FINE TUNE SELECTON, PRESETS SELECTION! • Or create your own CUSTOM PRESETS! • And SAVE an endless amount of CONFIGURATIONS (Frequency, Sweep, Noise) for later quick access and direct playback function. • Even play back different kinds of NOISE – White, Pink, Violet, Grey, Brown, Blue is also supported. The Function Generator is AMAZINGLY INTUITIVE and SIMPLE! AND THESE ARE THE ADVANCED SETTINGS/FEATURES: => Extending The Frequency Range (1Hz - 21kHz) => Extending The Sweep Times (0.1s - 600s) => Changing Min/Max Slider Frequency Ranges => Changing Max Sweep Time Slider Range => Changing Signal Amplitude => Enabling Of The Sweep Repeat / Wobble Function => Frequency Slider Setting to Linear or Logarithmic => Left/Right Channel Individual Selection => Permanently Saving Custom Presets => Saving Of Endless Number Of Audio Configurations => Phase Out Setting (custom phase shift of the generated signal) => BPM (Beats per Minute) Feature => Dual Function Generator => MultiTone Generator (playback of up to eight individual tones) => Background Theme Selection (Light/Dark) Check out the new Tutorial page: www.ee-toolkit.com/audio-function-generator

Screenshots

Time Guru Metronome4 screens
Audio Function Generator PRO4 screens

Verdict

The call

The clearest difference is price: Time Guru Metronome at $2.99 against Audio Function Generator PRO's $9.99. Time Guru Metronome also leads on update cadence (weekly vs every 6 weeks). Audio Function Generator PRO's advantage is rating (4.8 vs 4.5) and review sentiment (88% vs 79%). On ratings volume, ads, in-app purchases and chart position 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

Time Guru Metronome costs $2.99 and Audio Function Generator PRO $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Audio Function Generator PRO holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 450 and 269 respectively. Written reviews point the same way: 79% of Time Guru Metronome's written reviews are positive against 88% of Audio Function Generator PRO's.

UpkeepUpdate frequency

Time Guru Metronome ships an update weekly, Audio Function Generator PRO every 6 weeks. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

Scorecard7 real differences · 4 level
Time Guru Metronome versus Audio Function Generator PRO: the parameters behind the verdict, then further details
ParameterTime Guru MetronomeAudio Function Generator PRO
Price$2.99 — better$9.99
Rating4.5 (450 ratings)4.8 (269 ratings) — better
Positive reviews79.1% of reviews87.9% of reviews — better
Number of ratings450 — better269
Update frequencyWeekly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
Best chart rank#57 — better#137
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.615.5 — better
Further details — not scored
Size7 MB13 MB
Age rating4+4+
DeveloperAvi BortnickThomas Gruber

Customer experience

Time Guru Metronome

All ratings450 ratings
Positive88.9%
Neutral2.7%
Negative8.4%
Written reviews177 reviews
Positive79.1%
Neutral5.1%
Negative15.8%

Audio Function Generator PRO

All ratings269 ratings
Positive94.8%
Neutral2.6%
Negative2.6%
Written reviews58 reviews
Positive87.9%
Neutral5.2%
Negative6.9%

User reviews

Time Guru Metronome

From 450 App Store ratings

What we love

  • 🚀 Excellent metronome app
  • 👍 Highly customizable and flexible
  • 🎼 Helpful for developing internal rhythm
  • 🎯 Effective for practicing odd time signatures
  • 💡 Innovative random mute feature

Room to improve

  • 🐛 Occasional bugs and glitches
  • 🔋 High battery consumption
  • 🤔 Not very intuitive interface
  • 🔊 Could use better volume control

Audio Function Generator PRO

From 269 App Store ratings

What we love

  • ✨ Superb craftsmanship and work
  • 🚀 Excellent performance on older devices
  • 💡 History feature is a great addition
  • 👍 Versatile and powerful app
  • 🎶 Great for binaural beats and sound creation

Room to improve

  • 📉 Linear sweep is useless
  • ❓ Missing PWM functionality
  • ❓ Missing Terzrauschen (third-octave noise)
  • 🐛 Volume button issues
  • 🐛 GUI is bad

Bugs and requests

Time Guru Metronome

Reported bugs

3 issues
  • Skipping beats and glitching
  • Unable to delete saved rhythms
  • Incompatibility with newer devices

Requested features

5 requests
  • Ability to rearrange rhythm patterns
  • Option to assign different sounds to beats
  • Gradual tempo increase/decrease
  • Higher quality sound options
  • More time signature options beyond 7 beats

Audio Function Generator PRO

Reported bugs

6 issues
  • Volume button issues (jumps up and down, displays wrong level)
  • Update crashes on iPad Air2 when changing screens
  • App opens AppStore repeatedly after purchase
  • Buttons don't respond, settings don't keep
  • Frequencies stick, program is useless
Show 1 more
  • App stops too much

Requested features

19 requests
  • Logarithmic sweeps and frequency slider scale
  • PWM functionality
  • Terzrauschen (third-octave noise)
  • Ping-pong sweeps in Multitone windows
  • Sweeping of noise/adding noise in Multitone sweep with sweeping bandpass filter
Show 14 more
  • Audio plugin (AU, AAX, VST)
  • Responsiveness for MacBook use
  • Simultaneous recording of generated signals
  • Panning function for tones and sweeps
  • Ability to save Multitone configurations
  • Phase shift functionality
  • Higher frequency range (up to 24kHz)
  • Dual mode sweep function
  • Taper function
  • Extended time for sweeps (6-8 hours)
  • Ability to stay at selected frequency for several minutes
  • Spectrum analyzer
  • Separate control for left and right channels
  • 8-hour program for sleep entrainment

In-app purchases

None

Time Guru Metronome

No in-app purchases

None

Audio Function Generator PRO

No in-app purchases

Questions

Is Time Guru Metronome free?
Time Guru Metronome costs $2.99, with no in-app purchases.
Is Audio Function Generator PRO free?
Audio Function Generator PRO costs $9.99, with no in-app purchases.
Which has better reviews, Time Guru Metronome or Audio Function Generator PRO?
Audio Function Generator PRO is rated higher. Time Guru Metronome averages 4.5 out of 5 from 450 ratings, while Audio Function Generator PRO averages 4.8 from 269 ratings.
Do Time Guru Metronome or Audio Function Generator PRO have ads?
Neither Time Guru Metronome nor Audio Function Generator PRO shows ads.
Which is updated more often, Time Guru Metronome or Audio Function Generator PRO?
Time Guru Metronome ships an update weekly, and Audio Function Generator PRO every 6 weeks. Most recently, Time Guru Metronome was updated on October 1, 2026 and Audio Function Generator PRO on September 30, 2026.
Which is more popular, Time Guru Metronome or Audio Function Generator PRO?
Time Guru Metronome currently peaks at #57 in the App Store charts, and Audio Function Generator PRO at #137. Chart position reflects recent download velocity rather than total install base.

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