Comparison

Audio Function Generator vs Size Stream Mobile Fit

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

Size Stream Mobile Fit

This app offers a convenient and secure way to measure employees and receive size recommendations remotely. It simplifies the process of outfitting an organization with a portable body scanning solution that integrates with a dedicated data portal.

Highlights
  • Remote employee scanning
  • Immediate size recommendations
  • Integrated sizing logic
  • Customizable branding
  • Secure on-device processing
  • Dedicated data portal access
Read full description

A SIMPLE SOLUTION TO A COMPLEX PROBLEM Whether you have a handful of employees or several thousand, Size Stream Mobile Fit is the easiest way to accurately size, measure and outfit your entire organization from anywhere! Simply register your employees, have them login and scan with the app, and then receive their measurements and size recommendations in your dedicated data portal. That’s it! CONVENIENT Relieve the logistical headache of trying to organize events to size your employees. With Mobile Fit you get a portable body scanning solution that returns immediate size recommendations in addition to measurements with our integrated sizing logic platform. CUSTOMIZABLE The Mobile Fit app can be customized to your company’s brand including your font, logo, and color scheme. SECURE We take data privacy very seriously. That’s why with Mobile Fit no photos are ever uploaded to the Cloud. All scans are processed directly on the user’s device. The results are then securely sent to your data portal via the sharing mechanism. Inquire about Size Stream Mobile Fit today!

Screenshots

Audio Function Generator4 screens
Size Stream Mobile Fit4 screens

Verdict

The call

The clearest difference is review sentiment: Audio Function Generator at 77% against Size Stream Mobile Fit's 25%. Audio Function Generator also leads on rating (4.7 vs 2.8) and update cadence (every 6 weeks vs every 13 months). Size Stream Mobile Fit's advantage is in-app purchases (none vs 1). On price, ads and iOS requirement 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. Size Stream Mobile Fit asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Audio Function Generator holds the better App Store score, 4.7 against 2.8. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 77% of Audio Function Generator's written reviews are positive against 25% of Size Stream Mobile Fit's.

UpkeepUpdate frequency

Audio Function Generator ships an update every 6 weeks, Size Stream Mobile Fit every 13 months. Both last shipped on October 13, 2026.

Scorecard7 real differences · 3 level
Audio Function Generator versus Size Stream Mobile Fit: the parameters behind the verdict, then further details
ParameterAudio Function GeneratorSize Stream Mobile Fit
PriceFreeFree
Rating4.7 (2.2K ratings) — better2.8 (5 ratings)
Positive reviews77.1% of reviews — better25.0% of reviews
Number of ratings2.2K — better5
Update frequencyEvery 6 weeks — betterEvery 13 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.5 — better16.6
Further details — not scored
Size14 MB217 MB
Age rating4+17+
DeveloperThomas GruberSize Stream LLC

Customer experience

Audio Function Generator

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

Size Stream Mobile Fit

All ratings5 ratings
Positive40.0%
Neutral0.0%
Negative60.0%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

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)

Size Stream Mobile Fit

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

Size Stream Mobile Fit

No in-app purchases

Questions

Is Audio Function Generator free?
Audio Function Generator is free to download, with in-app purchases available.
Is Size Stream Mobile Fit free?
Size Stream Mobile Fit is free to download, with no in-app purchases.
Which has better reviews, Audio Function Generator or Size Stream Mobile Fit?
Audio Function Generator is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while Size Stream Mobile Fit averages 2.8 from 5 ratings.
Do Audio Function Generator or Size Stream Mobile Fit have ads?
Neither Audio Function Generator nor Size Stream Mobile Fit shows ads.
Which is updated more often, Audio Function Generator or Size Stream Mobile Fit?
Audio Function Generator ships an update every 6 weeks, and Size Stream Mobile Fit every 13 months. Most recently, Audio Function Generator was updated on October 13, 2026 and Size Stream Mobile Fit on October 13, 2026.

Other comparisons