Audio Function Generator PRO vs fjalla
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
fjalla
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fjalla: Redefining Music Streaming and Fan Engagement fjalla introduces a fresh approach to music streaming, offering unique features tailored for artists and superfans alike. At the core of fjalla's offering is a pay-per-stream model, allowing fans to directly support their favorite artists with each listen. This model ensures that artists receive more equitable compensation, while fans get access to exclusive content and early releases – two weeks before they hit other major platforms. In addition to music streaming, fjalla integrates a dynamic reels feature, allowing artists to share short-form video content directly within their fans. This encourages deeper fan engagement and offers artists a creative way to connect with their audience beyond just audio. Key Features: - Exclusive Early Releases: Superfans gain access to new music two weeks ahead of general release on other platforms. - Pay-Per-Stream Model: A fairer and more transparent way for fans to support their favorite artists directly. - Reels Integration: Create, share, and engage with short videos that bring the music experience to life. - Community Engagement: Become part of a thriving fan community where artists, music lovers & superfans connect in new, meaningful ways. With fjalla, music is more than just a stream – it's an immersive experience.
Screenshots
Verdict
The clearest difference is price: fjalla at Free against Audio Function Generator PRO's $9.99. fjalla also leads on update cadence (weekly vs every 6 weeks). Audio Function Generator PRO's advantage is in-app purchases (none vs 5) and chart position (#65 vs unranked). On 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
fjalla is free to download; Audio Function Generator PRO costs $9.99 up front. fjalla sells 5 one-off in-app purchases. Audio Function Generator PRO asks for nothing beyond the download.
Audio Function Generator PRO ships an update every 6 weeks, fjalla weekly. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.
| Parameter | Audio Function Generator PRO | fjalla |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.8 (270 ratings) — better | — |
| Positive reviews | 87.9% of reviews | — |
| Number of ratings | 270 — better | — |
| Update frequency | Every 6 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Best chart rank | #65 — better | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 49 MB |
| Age rating | 4+ | 12+ |
| Developer | Thomas Gruber | Fjalla company |
Bugs and requests
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
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- 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
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- 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
fjalla
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Audio Function Generator PRO
No in-app purchases
fjalla
- 49 Streams$1.00
- 98 Streams$2.00
- 245 Streams$4.00
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- 721 Streams$14.00
- 1021 Streams$19.99
Questions
Is Audio Function Generator PRO free?
Is fjalla free?
Do Audio Function Generator PRO or fjalla have ads?
Which is updated more often, Audio Function Generator PRO or fjalla?
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