# FreqFinder by NewEndian vs Audio Lambda

The clearest difference is price: Audio Lambda at Free against FreqFinder by NewEndian's $29.99. Audio Lambda also leads on in-app purchases (none vs 1) and iOS requirement (12.0 vs 14.0). FreqFinder by NewEndian's advantage is update cadence (every 2 weeks vs every 3 months). On ads and device support there is nothing between them.

Audio Lambda is free to download; FreqFinder by NewEndian costs $29.99 up front. FreqFinder by NewEndian sells 1 one-off in-app purchase. Audio Lambda asks for nothing beyond the download.

FreqFinder by NewEndian ships an update every 2 weeks, Audio Lambda every 3 months. The most recent releases landed on September 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | FreqFinder by NewEndian | Audio Lambda |
| --- | --- | --- |
| Price | $29.99 | **Free** |
| Rating | **[4.4 (18 ratings)](https://appshunter.io/ios/app/freqfinder-by-newendian/id488540427/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 73.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 10 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [New Endian LLC](https://appshunter.io/developer/459947183) | [Audio Lambda](https://appshunter.io/developer/1737345056) |

## What reviewers say

### FreqFinder by NewEndian

[App page](https://appshunter.io/ios/app/freqfinder-by-newendian/id488540427)

This app calculates intermodulation products for wireless transmitters and suggests compatible channels. It's designed for professional audio users with multiple transmitter systems, offering integration with other tools and an optional TV database add-on for US users.

**Highlights:** Intermodulation product calculation, Suggests compatible transmitter channels, Supports multiple transmitter brands, LectroRM app integration, US TV Database Add-on

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TV Database Add-on | $14.99 | one-time |


### Audio Lambda

[App page](https://appshunter.io/ios/app/audio-lambda/id6479844099)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FreqFinder by NewEndian free?

FreqFinder by NewEndian costs $29.99, and also offers in-app purchases.

### Is Audio Lambda free?

Audio Lambda is free to download, with no in-app purchases.

### Do FreqFinder by NewEndian or Audio Lambda have ads?

Neither FreqFinder by NewEndian nor Audio Lambda shows ads.

### Which is updated more often, FreqFinder by NewEndian or Audio Lambda?

FreqFinder by NewEndian ships an update every 2 weeks, and Audio Lambda every 3 months. Most recently, FreqFinder by NewEndian was updated on September 25, 2026 and Audio Lambda on September 9, 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.*