# PhonePi Sensor Stream Pro vs Quantum Audio Generator

The clearest difference is price: Quantum Audio Generator at Free against PhonePi Sensor Stream Pro's $4.99. PhonePi Sensor Stream Pro's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Quantum Audio Generator is free to download; PhonePi Sensor Stream Pro costs $4.99 up front. Quantum Audio Generator sells 1 one-off in-app purchase. PhonePi Sensor Stream Pro asks for nothing beyond the download.

## The numbers

| Metric | PhonePi Sensor Stream Pro | Quantum Audio Generator |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 21 MB | 1 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Priyankar Kumar](https://appshunter.io/developer/1773804893) | [天佑 伍](https://appshunter.io/developer/1846286944) |

## What reviewers say

### PhonePi Sensor Stream Pro

[App page](https://appshunter.io/ios/app/phonepi-sensor-stream-pro/id6742052077)

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

**In-app purchases:** none


### Quantum Audio Generator

[App page](https://appshunter.io/ios/app/quantum-audio-generator/id6760098300)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Membership | $5.99 | one-time |


## Frequently asked questions

### Is PhonePi Sensor Stream Pro free?

PhonePi Sensor Stream Pro costs $4.99, with no in-app purchases.

### Is Quantum Audio Generator free?

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

### Do PhonePi Sensor Stream Pro or Quantum Audio Generator have ads?

Neither PhonePi Sensor Stream Pro nor Quantum Audio Generator shows ads.

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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.*