# AcoustiTools® vs Delay.?

The clearest difference is price: Delay.? at $3.99 against AcoustiTools®'s $39.99. Delay.? also leads on in-app purchases (none vs 2). AcoustiTools®'s advantage is iOS requirement (13.3 vs 17.6). On ads and device support there is nothing between them.

AcoustiTools® costs $39.99 and Delay.? $3.99 up front. AcoustiTools® sells 2 one-off in-app purchases. Delay.? asks for nothing beyond the download.

## The numbers

| Metric | AcoustiTools® | Delay.? |
| --- | --- | --- |
| Price | $39.99 | **$3.99** |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | — |
| Size | 158 MB | 15 MB |
| Requires iOS | **13.3** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ACOUSTIC MASTERMINDS INC.](https://appshunter.io/developer/1352604985) | [Jeremy Horn](https://appshunter.io/developer/1828824238) |

## 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 |


### Delay.?

[App page](https://appshunter.io/ios/app/delay/id6749515908)

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

**In-app purchases:** none


## Frequently asked questions

### Is AcoustiTools® free?

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

### Is Delay.? free?

Delay.? costs $3.99, with no in-app purchases.

### Do AcoustiTools® or Delay.? have ads?

Neither AcoustiTools® nor Delay.? 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.*