# AcoustiTools® vs QR Code Generator Studio

The clearest difference is price: QR Code Generator Studio at Free against AcoustiTools®'s $39.99. QR Code Generator Studio also leads on update cadence (monthly vs every 2 months). AcoustiTools®'s advantage is device support (3 vs 1) and iOS requirement (13.3 vs 17.0). On ads and in-app purchases there is nothing between them.

QR Code Generator Studio is free to download; AcoustiTools® costs $39.99 up front. AcoustiTools® sells 2 one-off in-app purchases and QR Code Generator Studio sells 1 in-app purchase, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AcoustiTools® ships an update every 2 months, QR Code Generator Studio monthly. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | AcoustiTools® | QR Code Generator Studio |
| --- | --- | --- |
| Price | $39.99 | **Free** |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/acoustitools/id1390068470/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Paid | — |
| Size | 158 MB | 5 MB |
| Requires iOS | **13.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ACOUSTIC MASTERMINDS INC.](https://appshunter.io/developer/1352604985) | [PocketKnife Apps Inc.](https://appshunter.io/developer/6789822731) |

## What reviewers say

### AcoustiTools®

[App page](https://appshunter.io/ios/app/acoustitools/id1390068470)

This app provides professional-grade audio analysis and diagnostic tools using augmented reality. It helps map sound levels, calculate delay timing, and offers corrective EQ settings for live sound, studios, car audio, and home theater.

**Highlights:** Augmented Reality Spatial Analyzer, Volume Mapping and Variance, Delay Timing Calculation, Diagnostic Parametric EQ (IAP), Diagnostic Graphic EQ (IAP), Real-Time Frequency Analyzer

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diagnostic PEQ | $19.99 | one-time |
| Diagnostic GEQ | $19.99 | one-time |


### QR Code Generator Studio

[App page](https://appshunter.io/ios/app/qr-code-generator-studio/id6789824379)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QR Scan Pro | $7.99 | per 7 days |


## Frequently asked questions

### Is AcoustiTools® free?

AcoustiTools® costs $39.99, and also offers in-app purchases.

### Is QR Code Generator Studio free?

QR Code Generator Studio is free to download, with in-app purchases available.

### Do AcoustiTools® or QR Code Generator Studio have ads?

Neither AcoustiTools® nor QR Code Generator Studio shows ads.

### Which is updated more often, AcoustiTools® or QR Code Generator Studio?

AcoustiTools® ships an update every 2 months, and QR Code Generator Studio monthly. Most recently, AcoustiTools® was updated on October 9, 2026 and QR Code Generator Studio on October 4, 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.*