# Function Fitter vs Quantum Audio Generator

The clearest difference is in-app purchases: Function Fitter at none against Quantum Audio Generator's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Quantum Audio Generator sells 1 one-off in-app purchase. Function Fitter asks for nothing beyond the download.

## The numbers

| Metric | Function Fitter | Quantum Audio Generator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 4 MB | 1 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [29Apps LLC](https://appshunter.io/developer/1817021563) | [天佑 伍](https://appshunter.io/developer/1846286944) |

## What reviewers say

### Function Fitter

[App page](https://appshunter.io/ios/app/function-fitter/id6748284369)

**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 Function Fitter free?

Function Fitter is free to download, with no in-app purchases.

### Is Quantum Audio Generator free?

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

### Do Function Fitter or Quantum Audio Generator have ads?

Neither Function Fitter 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.*