# RF IMD Test vs LiveSpec

The clearest difference is in-app purchases: RF IMD Test at none against LiveSpec's 2. RF IMD Test also leads on iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. LiveSpec sells 2 in-app purchases, starting at $17.99 per month. RF IMD Test asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for RF IMD Test against 5.0 for LiveSpec. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

## The numbers

| Metric | RF IMD Test | LiveSpec |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/rf-imd-test/id6761567404/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/livespec/id6762317495/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 21 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [JS Audio LLC](https://appshunter.io/developer/1890289921) | [Linear Phase LLC](https://appshunter.io/developer/1893799202) |

## What reviewers say

### RF IMD Test

[App page](https://appshunter.io/ios/app/rf-imd-test/id6761567404)

This free application helps audio technicians find compatible wireless frequencies quickly to avoid interference. It provides educational insights into RF intermodulation.

**Highlights:** Finds compatible wireless frequencies, Prevents frequency interference, Provides RF intermodulation feedback, Free to use, Educational for audio techs

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

**In-app purchases:** none


### LiveSpec

[App page](https://appshunter.io/ios/app/livespec/id6762317495)

This audio analysis tool allows users to measure and optimize sound in any environment. It provides real-time spectrum analysis, sound level monitoring, and tools for system tuning and live mixing. The app supports various audio interfaces and offers iCloud syncing for configurations.

**Highlights:** Real-time spectrum analyzer, Spectrograph for sound over time, SPL monitor with A/C weighting, Dose meter for safe listening time, Live Mix plugin host, Transfer function with phase, Impulse response and delay finding, Parametric and Graphic EQ

**Features:** iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access Monthly | $17.99 | per month |
| All Access Annual | $149.99 | per year |


## Frequently asked questions

### Is RF IMD Test free?

RF IMD Test is free to download, with no in-app purchases.

### Is LiveSpec free?

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

### Which has better reviews, RF IMD Test or LiveSpec?

RF IMD Test and LiveSpec are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do RF IMD Test or LiveSpec have ads?

Neither RF IMD Test nor LiveSpec 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.*