Banjo Tuner vs Audio Function Generator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Banjo Tuner
This application provides standard tuning notes for the 5-string banjo. It's a simple tool designed to help banjo players achieve accurate tuning.
- Standard tuning notes
- 5-string banjo support
- Accurate tuning reference
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Tune your 5-string banjo with accurate standard tuning reference notes.
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.
- 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)
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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 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
Screenshots
Verdict
The clearest difference is in-app purchases: Banjo Tuner at none against Audio Function Generator's 1. Audio Function Generator's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 15 months). On price, 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
Both are free to download. Audio Function Generator sells 1 one-off in-app purchase. Banjo Tuner asks for nothing beyond the download.
Audio Function Generator holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Audio Function Generator has 2.2K ratings behind it against 391, so its average is the more settled of the two. Written reviews point the same way: 53% of Banjo Tuner's written reviews are positive against 77% of Audio Function Generator's.
Banjo Tuner ships an update every 15 months, Audio Function Generator every 6 weeks. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.
| Parameter | Banjo Tuner | Audio Function Generator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (391 ratings) | 4.7 (2.2K ratings) — better |
| Positive reviews | 53.3% of reviews | 77.1% of reviews — better |
| Number of ratings | 391 | 2.2K — better |
| Update frequency | Every 15 months | Every 6 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 14 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Alvin Yu | Thomas Gruber |
Customer experience
Banjo Tuner
Audio Function Generator
User reviews
Banjo Tuner
From 391 App Store ratingsWhat we love
- 👍 Simple and easy to use interface
- 🎵 Plays correct tuning notes accurately
- 💰 Free app with no cost
- ⚡ Quick and lightweight download
- 🎧 Blind-friendly and accessible with VoiceOver
Room to improve
- 🐛 App frequently doesn't work or produce sound
- ⏱️ Notes cut off too quickly to adjust tuning
- 📢 Excessive ads cluttering the interface
- 🎚️ Only supports standard tuning, no alternatives
- 👂 Requires good ear training to use effectively
Audio Function Generator
From 2.2K App Store ratingsWhat we love
- 👍 Great app
- 🎶 Helps with Tinnitus
- 💯 Best app I've paid for
- 🔍 Highly recommended
- 🎨 Attention to detail
Room to improve
- 🐛 Crashes
- 💰 Deceptive/Money hungry
- 🔒 Basic features paywalled
- 🔒 Limited without paying
- 🔒 Removed functionality to push paid version
Bugs and requests
Banjo Tuner
Reported bugs
8 issues- No sound output despite app being enabled
- Buttons do not respond when pressed
- Audio cuts off mid-note
- Multiple notes playing simultaneously
- Pitch notes are flat or inaccurate
Show 3 moreShow fewer
- App depends on ringer volume instead of app volume
- Sporadic functionality - works sometimes, not others
- Scam pop-ups offering iPad giveaways
Requested features
9 requests- Add microphone input to detect instrument pitch
- Support for alternate tunings (tenor, Irish tenor, etc.)
- Continuous note playback instead of single play
- Visual feedback for tuning accuracy
- Ability to customize tunings per string
Show 4 moreShow fewer
- Better audio quality and longer note sustain
- Remove or reduce advertisements
- Auto-repeat note functionality
- Compatibility with different string instruments
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 moreShow fewer
- Improve accessibility (VoiceOver support)
In-app purchases
Banjo Tuner
No in-app purchases
Audio Function Generator
- Upgrade to PRO$9.99
Questions
Is Banjo Tuner free?
Is Audio Function Generator free?
Which has better reviews, Banjo Tuner or Audio Function Generator?
Do Banjo Tuner or Audio Function Generator have ads?
Which is updated more often, Banjo Tuner or Audio Function Generator?
Other comparisons
