Comparison

Audio Function Generator vs AI Resistor Color Code Scanner

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

AI Resistor Color Code Scanner

Instantly identify and calculate resistor values using your iPhone camera. This tool eliminates the need for manual color band reading and charts, offering quick results for engineers, hobbyists, and students. Save your scans and organize them into projects for efficient workflow.

Highlights
  • Instant camera scanning
  • Save and organize scans
  • Interactive color band editing
  • Supports 3-6 band resistors
  • Offline functionality
  • User-friendly interface
Features
Read full description

Tired of manually reading resistor color bands? Instantly scan, identify, and calculate resistor values with your iPhone camera — no more squinting or color code charts. Key Features - Instant Scanning: Point your camera and get resistor values in seconds. - Save & Organize: Save scans and group them into projects. - Interactive Editing: Verify and adjust color bands directly on screen. - Accurate Calculations: Supports 3, 4, 5, and 6-band resistors. - Offline Support: Works without internet — perfect for workshops and the field. - Easy to Use: Clean interface for beginners and professionals alike. Built for faster bench work, easier troubleshooting, and fewer resistor-reading mistakes. Join thousands of engineers, hobbyists, and students making their projects easier. Download today!

Screenshots

Audio Function Generator4 screens
AI Resistor Color Code Scanner4 screens

Verdict

The call

The clearest difference is rating: Audio Function Generator at 4.7 against AI Resistor Color Code Scanner's 3.0. Audio Function Generator also leads on ratings volume (2.2K vs 1) and device support (3 vs 1). On price, update cadence, ads and in-app purchases 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 and AI Resistor Color Code Scanner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Audio Function Generator holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Audio Function Generator ships an update every 6 weeks, AI Resistor Color Code Scanner every 5 weeks. The most recent releases landed on September 24, 2026 and September 3, 2026 respectively.

Scorecard4 real differences · 6 level
Audio Function Generator versus AI Resistor Color Code Scanner: the parameters behind the verdict, then further details
ParameterAudio Function GeneratorAI Resistor Color Code Scanner
PriceFreeFree
Rating4.7 (2.2K ratings) — better3.0 (1 ratings)
Positive reviews77.1% of reviews—
Number of ratings2.2K — better1
Update frequencyEvery 6 weeksEvery 5 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.5 — better17.2
Further details — not scored
Size14 MB163 MB
Age rating4+4+
DeveloperThomas GruberAndrew Ausonio

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)

AI Resistor Color Code Scanner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Audio Function Generator

One-time1
  • Upgrade to PRO$9.99
1 purchases

AI Resistor Color Code Scanner

One-time1
  • Monthly Subscription$2.99

Questions

Is Audio Function Generator free?
Audio Function Generator is free to download, with in-app purchases available.
Is AI Resistor Color Code Scanner free?
AI Resistor Color Code Scanner is free to download, with in-app purchases available.
Which has better reviews, Audio Function Generator or AI Resistor Color Code Scanner?
Audio Function Generator is rated higher. Audio Function Generator averages 4.7 out of 5 from 2.2K ratings, while AI Resistor Color Code Scanner averages 3.0 from 1 ratings.
Do Audio Function Generator or AI Resistor Color Code Scanner have ads?
Neither Audio Function Generator nor AI Resistor Color Code Scanner shows ads.
Which is updated more often, Audio Function Generator or AI Resistor Color Code Scanner?
Audio Function Generator ships an update every 6 weeks, and AI Resistor Color Code Scanner every 5 weeks. Most recently, Audio Function Generator was updated on September 24, 2026 and AI Resistor Color Code Scanner on September 3, 2026.

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