# iHarmonizer vs AKT Transponder Guide

The clearest difference is in-app purchases: AKT Transponder Guide at none against iHarmonizer's 5. iHarmonizer's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. iHarmonizer sells 5 one-off in-app purchases. AKT Transponder Guide asks for nothing beyond the download.

## The numbers

| Metric | iHarmonizer | AKT Transponder Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iharmonizer/id488536254/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 98 MB | 42 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Manufacturing Laboratories, Inc.](https://appshunter.io/developer/488536257) | [Edward Jones](https://appshunter.io/developer/1892449772) |

## What reviewers say

### iHarmonizer

[App page](https://appshunter.io/ios/app/iharmonizer/id488536254)

Record machining noise, save files, and send for free evaluation. An in-app purchase allows for immediate, on-site analysis to detect chatter and suggest optimal spindle speeds.

**Highlights:** Record machining noise, Save audio files, Free MLI evaluation, In-app purchase for immediate analysis, Chatter detection, Suggests alternate spindle speeds, Indicates no stable spindle speed

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Regulations 10 Pack | $24.99 | one-time |
| Regulations 50 Pack | $99.99 | one-time |
| Regulations 100 Pack | $99.99 | one-time |
| Regulations 200 Pack | $299.99 | one-time |
| Regulations 500 Pack | $299.99 | one-time |


### AKT Transponder Guide

[App page](https://appshunter.io/ios/app/akt-transponder-guide/id6762011886)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iHarmonizer free?

iHarmonizer is free to download, with in-app purchases available.

### Is AKT Transponder Guide free?

AKT Transponder Guide is free to download, with no in-app purchases.

### Do iHarmonizer or AKT Transponder Guide have ads?

AKT Transponder Guide shows ads; iHarmonizer does not.

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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.*