Comparison

Audio Function Generator vs Vuforia Spatial Toolbox

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

Head to head
About

Audio Function Generator

Generate various audio test tones, including sine, square, triangle, and sawtooth waves. Explore frequency and volume sweeps, noise generation, and custom preset creation. Advanced features like extended frequency ranges and multi-tone playback are available with an upgrade.

Highlights
  • Generate sine, square, triangle, and sawtooth tones
  • Frequency and volume sweep generation
  • Noise generation (white, pink, violet, etc.)
  • Custom preset creation and saving
  • Extended frequency range (PRO feature)
  • Multi-tone playback (PRO feature)
Features
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 to use! AND THESE ARE THE ADVANCED SETTINGS/FEATURES (upgrade to PRO required): => 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 tutorial page: www.ee-toolkit.com/audio-function-generator

About

Vuforia Spatial Toolbox

This application provides a web-based interface for visualizing and interacting with data and logic from physical machines. It uses pre-built elements and spatial programming services to connect the virtual and physical worlds, enabling users to explore IoT, AR, and spatial computing concepts.

Highlights
  • Web-based user interface
  • Visualize physical machine data
  • Spatial interaction with objects
  • Connect virtual and physical worlds
  • Build logic flows and processes
  • Leverage virtual nodes and programming blocks
Read full description

Vuforia Spatial Toolbox application is a single, web-based user interface that enables the visualization of and spatial interaction with data and logic of physical machines and objects. Pre-built elements & spatial programming services facilitate complex hardware programming and control by seamlessly connecting the virtual and the physical worlds. Using the Vuforia Spatial Toolbox application users can: Explore the power of IoT, AR & Spatial Computing Dynamically build logic flows and processes that connect and bridge the programming of complex machines Leverage virtual nodes and programming blocks to build more complex ideas and systems on an as needed basis

Screenshots

Audio Function Generator4 screens
Vuforia Spatial Toolbox3 screens

Verdict

The call

The clearest difference is in-app purchases: Vuforia Spatial Toolbox at none against Audio Function Generator's 1. Vuforia Spatial Toolbox also leads on rating (5.0 vs 4.7) and update cadence (every 2 weeks vs every 6 weeks). Audio Function Generator's advantage is ratings volume (2.2K vs 8). On price, ads 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. Audio Function Generator sells 1 one-off in-app purchase. Vuforia Spatial Toolbox asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Vuforia Spatial Toolbox holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 8, so its average is the more settled of the two.

UpkeepUpdate frequency

Audio Function Generator ships an update every 6 weeks, Vuforia Spatial Toolbox every 2 weeks. The most recent releases landed on September 24, 2026 and June 10, 2026 respectively.

Scorecard6 real differences · 4 level
Audio Function Generator versus Vuforia Spatial Toolbox: the parameters behind the verdict, then further details
ParameterAudio Function GeneratorVuforia Spatial Toolbox
PriceFreeFree
Rating4.7 (2.2K ratings)5.0 (8 ratings) — better
Positive reviews77.1% of reviews
Number of ratings2.2K — better8
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.512.0 — better
Further details — not scored
Size14 MB359 MB
Age rating4+4+
DeveloperThomas GruberPTC Inc.

Customer experience

Audio Function Generator

All ratings2,191 ratings
Positive91.8%
Neutral3.1%
Negative5.1%
Written reviews271 reviews
Positive77.1%
Neutral6.3%
Negative16.6%

Vuforia Spatial Toolbox

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Audio Function Generator

Reported bugs

4 issues
  • Crashes on launch
  • Volume slider issues
  • Airplay not working
  • Sound distortion when display is active

Requested features

6 requests
  • Add download/save feature for custom sounds
  • Improve sweep function (continuous mode, better frequency control)
  • Add more multi-frequency rows
  • Implement 432Hz base frequency option
  • Add phase control for noise generators
Show 1 more
  • Improve accessibility (VoiceOver support)

Vuforia Spatial Toolbox

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Audio Function Generator

One-time1
  • Upgrade to PRO$9.99
None

Vuforia Spatial Toolbox

No in-app purchases

Questions

Is Audio Function Generator free?
Audio Function Generator is free to download, with in-app purchases available.
Is Vuforia Spatial Toolbox free?
Vuforia Spatial Toolbox is free to download, with no in-app purchases.
Which has better reviews, Audio Function Generator or Vuforia Spatial Toolbox?
Vuforia Spatial Toolbox is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while Vuforia Spatial Toolbox averages 5.0 from 8 ratings.
Do Audio Function Generator or Vuforia Spatial Toolbox have ads?
Neither Audio Function Generator nor Vuforia Spatial Toolbox shows ads.
Which is updated more often, Audio Function Generator or Vuforia Spatial Toolbox?
Audio Function Generator ships an update every 6 weeks, and Vuforia Spatial Toolbox every 2 weeks. Most recently, Audio Function Generator was updated on September 24, 2026 and Vuforia Spatial Toolbox on June 10, 2026.

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