# StagePlot Guru vs Audio Function Generator PRO

The clearest difference is review sentiment: Audio Function Generator PRO at 88% against StagePlot Guru's 25%. Audio Function Generator PRO also leads on rating (4.8 vs 2.5) and in-app purchases (none vs 10). StagePlot Guru's advantage is price (Free vs $9.99). On ratings volume, update cadence, ads and device support there is nothing between them.

StagePlot Guru is free to download; Audio Function Generator PRO costs $9.99 up front. StagePlot Guru sells 10 one-off in-app purchases. Audio Function Generator PRO asks for nothing beyond the download.

Audio Function Generator PRO holds the better App Store score, 4.8 against 2.5. Both are backed by a comparable volume of ratings — 121 and 269 respectively. Written reviews point the same way: 25% of StagePlot Guru's written reviews are positive against 88% of Audio Function Generator PRO's.

StagePlot Guru ships an update monthly, Audio Function Generator PRO every 6 weeks. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | StagePlot Guru | Audio Function Generator PRO |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [2.5 (121 ratings)](https://appshunter.io/ios/app/stageplot-guru/id843432883/reviews) | **[4.8 (269 ratings)](https://appshunter.io/ios/app/audio-function-generator-pro/id895074703/reviews)** |
| Number of ratings | 121 | **269** |
| Positive reviews | 24.8% of reviews | **87.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 124 MB | 13 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Active Media Production Group, LLC](https://appshunter.io/developer/843437886) | [Thomas Gruber](https://appshunter.io/developer/342699861) |

## What reviewers say

### StagePlot Guru

[App page](https://appshunter.io/ios/app/stageplot-guru/id843432883)

Design, save, and share professional stage plots with an intuitive interface and a vast library of industry-standard props. Customize your layouts with text labels, logos, and equipment lists for clear communication.

**Highlights:** Create professional stage plots, Save and share designs, Over 250 industry-standard props, Customizable text labels and lists, Add company/band logos, Print/share as PDF, Unlimited cloud storage

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Horn Section Set | Free | one-time |
| Alto Saxophone | Free | one-time |
| Tenor Saxophone | Free | one-time |
| Trombone | Free | one-time |
| Trumpet | Free | one-time |
| Jazz Kit | Free | one-time |
| Video Camera, Projector, and Screen | Free | one-time |
| PA Items | Free | one-time |
| Shapes | Free | one-time |
| Pro Version | $4.99 | one-time |

**What reviewers like**

- 🚀 Quick and easy to use
- 👍 Professional-looking stage plots
- 💡 Helpful for organizing and communicating stage setups
- 🚀 Intuitive and user-friendly

**What reviewers complain about**

- 🐛 Crashes and bugs
- 🔒 Overly restrictive free version
- 💰 Expensive for full features
- 🤔 Clunky and unintuitive interface
- 🤔 Lacking key features and customization options

**Reported bugs**

- Frequent crashes and data loss
- Saving and loading issues
- Exporting low-quality or incomplete stage plots
- Compatibility problems with newer iOS versions

**Requested features**

- More instrument and equipment options
- Ability to rotate and resize items freely
- Improved text editing and formatting
- Better stage dimension and layout controls
- Seamless cloud sync and backup


### Audio Function Generator PRO

[App page](https://appshunter.io/ios/app/audio-function-generator-pro/id895074703)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✨ Superb craftsmanship and work
- 🚀 Excellent performance on older devices
- 💡 History feature is a great addition
- 👍 Versatile and powerful app
- 🎶 Great for binaural beats and sound creation

**What reviewers complain about**

- 📉 Linear sweep is useless
- ❓ Missing PWM functionality
- ❓ Missing Terzrauschen (third-octave noise)
- 🐛 Volume button issues
- 🐛 GUI is bad

**Reported bugs**

- 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

**Requested features**

- 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


## Frequently asked questions

### Is StagePlot Guru free?

StagePlot Guru is free to download, with in-app purchases available.

### Is Audio Function Generator PRO free?

Audio Function Generator PRO costs $9.99, with no in-app purchases.

### Which has better reviews, StagePlot Guru or Audio Function Generator PRO?

Audio Function Generator PRO is rated higher. StagePlot Guru averages 2.5 out of 5 from 121 ratings, while Audio Function Generator PRO averages 4.8 from 269 ratings.

### Do StagePlot Guru or Audio Function Generator PRO have ads?

Neither StagePlot Guru nor Audio Function Generator PRO shows ads.

### Which is updated more often, StagePlot Guru or Audio Function Generator PRO?

StagePlot Guru ships an update monthly, and Audio Function Generator PRO every 6 weeks. Most recently, StagePlot Guru was updated on October 2, 2026 and Audio Function Generator PRO on September 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*