Comparison

Audio Function Generator vs S

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

S

Read full description

Als Kunde der Sparkassen Immobiliengesellschaft Hildesheim Goslar Peine mbH profitieren Sie von einem besonders innovativen Kundenservice, der Ihnen viele Freiheiten bietet. Mit der S-Immo HGP App können Sie uns rund um die Uhr Anliegen und Schäden inklusive Fotodokumentation per Smartphone melden. Zusätzlich stellen wir Ihnen eine digitale Dokumentenmappe mit wichtigen Dokumenten für Ihre Immobilie zur Verfügung. Über das digitale schwarze Brett informieren wir via Push-Nachricht proaktiv über wichtige Informationen rund um das uns anvertraute Objekt. Ihre Vorteile der S-Immo HGP App auf einen Blick: - Innovativ: Ihre Mobilität und Zeitersparnis stehen im Fokus. In der S-Immo HGP App gehen keine Informationen verloren und Sie finden alles Wichtige zu Ihrer Immobilie in der App gebündelt. - Fachlich kompetent: Sie haben Fragen zum Mietvertrag, zur Nachbestellung von Schlüsseln oder zur Eigentümerversammlung? In der S-Immo HGP App finden Sie einen umfassenden Fragen- und Antwortenbereich zu häufig gestellten Fragen. - Interaktiv: Effizienz gehört zu unserem Tagesgeschäft. Ihre Schadensmeldungen und sonstige Anliegen werden rasch bearbeitet und Sie erhalten regelmäßig per Push-Nachricht ein Status-Update. - Transparent: Dokumentation ist für uns die “halbe Miete”. Mit der S-Immo HGP App erhalten Sie alle wichtigen Informationen zu Ihrer Liegenschaft direkt am schwarzen Brett und können diese kommentieren. So registrieren Sie sich für die S-Immo HGP App: - Sie erhalten von uns eine personalisierte E-Mail mit einer persönlichen Einladung zum Beitritt der S-Immo HGP App - Drücken Sie auf den Button “Anmeldung bestätigen” und geben Sie Ihr persönlich gewähltes Passwort ein - Laden Sie sich die S-Immo HGP App für Ihre Smartphone herunter - Und schon können Sie alle Vorteile unseres digitalen Kundenservices nutzen! - Sie haben noch keine Einladung von uns erhalten? Dann melden Sie sich bitte bei Ihrem zuständigen Objektbetreuer.

Screenshots

Audio Function Generator4 screens
S4 screens

Verdict

The call

The clearest difference is in-app purchases: S at none against Audio Function Generator's 1. Audio Function Generator's advantage is update cadence (every 6 weeks vs every 3 months). On price, ads, device support 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. S asks for nothing beyond the download.

UpkeepUpdate frequency

Audio Function Generator ships an update every 6 weeks, S every 3 months. The most recent releases landed on October 2, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 8 level
Audio Function Generator versus S: the parameters behind the verdict, then further details
ParameterAudio Function GeneratorS
PriceFreeFree
Rating4.7 (2.2K ratings) — better—
Positive reviews77.1% of reviews—
Number of ratings2.2K — better—
Update frequencyEvery 6 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.5 — better15.6
Further details — not scored
Size14 MB30 MB
Age rating4+4+
DeveloperThomas GruberIdwell GmbH

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)

S

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

S

No in-app purchases

Questions

Is Audio Function Generator free?
Audio Function Generator is free to download, with in-app purchases available.
Is S free?
S is free to download, with no in-app purchases.
Do Audio Function Generator or S have ads?
Neither Audio Function Generator nor S shows ads.
Which is updated more often, Audio Function Generator or S?
Audio Function Generator ships an update every 6 weeks, and S every 3 months. Most recently, Audio Function Generator was updated on October 2, 2026 and S on September 18, 2026.

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