# AcoustiTools® vs MerryIoT for Amazon Sidewalk

The clearest difference is price: MerryIoT for Amazon Sidewalk at Free against AcoustiTools®'s $39.99. MerryIoT for Amazon Sidewalk also leads on in-app purchases (none vs 2) and update cadence (every 3 weeks vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

MerryIoT for Amazon Sidewalk is free to download; AcoustiTools® costs $39.99 up front. AcoustiTools® sells 2 one-off in-app purchases. MerryIoT for Amazon Sidewalk asks for nothing beyond the download.

AcoustiTools® ships an update every 2 months, MerryIoT for Amazon Sidewalk every 3 weeks. The most recent releases landed on July 13, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | AcoustiTools® | MerryIoT for Amazon Sidewalk |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 158 MB | 34 MB |
| Requires iOS | 13.3 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ACOUSTIC MASTERMINDS INC.](https://appshunter.io/developer/1352604985) | [BROWAN COMMUNICATIONS INCORPORATION](https://appshunter.io/developer/1584963490) |

## 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 |


### MerryIoT for Amazon Sidewalk

[App page](https://appshunter.io/ios/app/merryiot-for-amazon-sidewalk/id6450383664)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AcoustiTools® free?

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

### Is MerryIoT for Amazon Sidewalk free?

MerryIoT for Amazon Sidewalk is free to download, with no in-app purchases.

### Do AcoustiTools® or MerryIoT for Amazon Sidewalk have ads?

Neither AcoustiTools® nor MerryIoT for Amazon Sidewalk shows ads.

### Which is updated more often, AcoustiTools® or MerryIoT for Amazon Sidewalk?

AcoustiTools® ships an update every 2 months, and MerryIoT for Amazon Sidewalk every 3 weeks. Most recently, AcoustiTools® was updated on July 13, 2026 and MerryIoT for Amazon Sidewalk on September 8, 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.*