# Hill Pro Audio ACT vs Tone Generator

The clearest difference is in-app purchases: Hill Pro Audio ACT at none against Tone Generator's 1. Hill Pro Audio ACT also leads on ads (none vs shown) and review sentiment (100% vs 84%). On price and device support there is nothing between them.

Both are free to download. Tone Generator sells 1 one-off in-app purchase. Hill Pro Audio ACT asks for nothing beyond the download.

## The numbers

| Metric | Hill Pro Audio ACT | Tone Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (139 ratings)](https://appshunter.io/ios/app/tone-generator-frequency-app/id1561496708/reviews)** |
| Number of ratings | — | **139** |
| Positive reviews | **100.0% of reviews** | 83.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 6 MB |
| Requires iOS | **11.3** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hill Pro Audio Ltd](https://appshunter.io/developer/1501865426) | [Tevfik Yucek](https://appshunter.io/developer/566982862) |

## What reviewers say

### Hill Pro Audio ACT

[App page](https://appshunter.io/ios/app/hill-pro-audio-act/id1501865427)

This utility helps users predict and optimize speaker system performance in any venue. It offers real-time SPL calculations, interactive array splay, and time alignment for faster, better-sounding setups. Supports various Hill Pro Audio speaker models.

**Highlights:** Drag and drop interface, Real-time SPL calculations, SPL coverage graph, Interactive array splay, Array time alignment, Venue database, Dark mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Tone Generator

[App page](https://appshunter.io/ios/app/tone-generator-frequency-app/id1561496708)

Generate various audio tones like sine, square, sawtooth, and triangle waves across a wide frequency range. Adjust frequencies by swiping and utilize built-in features for fun hearing tests or to clean your device's speaker.

**Highlights:** Sine, square, sawtooth, triangle wave generation, Adjustable frequency via swipe, Built-in hearing test sweep, Speaker cleaning function, Large frequency range

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertisements | $2.99 | one-time |


## Frequently asked questions

### Is Hill Pro Audio ACT free?

Hill Pro Audio ACT is free to download, with no in-app purchases.

### Is Tone Generator free?

Tone Generator is free to download, with in-app purchases available.

### Do Hill Pro Audio ACT or Tone Generator have ads?

Tone Generator shows ads; Hill Pro Audio ACT does not.

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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.*