# Lambda vs Cinod about L.Acoustics V2

The clearest difference is price: Cinod about L.Acoustics V2 at Free against Lambda's $2.99. Cinod about L.Acoustics V2 also leads on update cadence (every 2 weeks vs every 54 months) and iOS requirement (13.0 vs 15.6). Lambda's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Cinod about L.Acoustics V2 is free to download; Lambda costs $2.99 up front. Cinod about L.Acoustics V2 sells 1 one-off in-app purchase. Lambda asks for nothing beyond the download.

Lambda ships an update every 54 months, Cinod about L.Acoustics V2 every 2 weeks. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Lambda | Cinod about L.Acoustics V2 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lambda/id434581690/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 54 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 6 MB | 25 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [dgApps](https://appshunter.io/developer/357488432) | [Cinod](https://appshunter.io/developer/1689954844) |

## What reviewers say

### Lambda

[App page](https://appshunter.io/ios/app/lambda/id434581690)

This app helps musicians and sound engineers convert between musical notes, frequencies, and wavelengths. It features a dynamic fader, built-in oscillator, and frequency tracker with waveform display. Customize tuning standards and speed of sound for precise audio analysis.

**Highlights:** Convert notes, frequencies, wavelengths, Dynamic fader for real-time adjustment, Built-in oscillator with waveform, Frequency tracker with waveform, Customizable tuning standards, Adjustable speed of sound, Share data via standard methods

**In-app purchases:** none


### Cinod about L.Acoustics V2

[App page](https://appshunter.io/ios/app/cinod-about-lacoustics-v2/id6759458579)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| L-Acoustics Premium | $11.99 | one-time |


## Frequently asked questions

### Is Lambda free?

Lambda costs $2.99, with no in-app purchases.

### Is Cinod about L.Acoustics V2 free?

Cinod about L.Acoustics V2 is free to download, with in-app purchases available.

### Do Lambda or Cinod about L.Acoustics V2 have ads?

Neither Lambda nor Cinod about L.Acoustics V2 shows ads.

### Which is updated more often, Lambda or Cinod about L.Acoustics V2?

Lambda ships an update every 54 months, and Cinod about L.Acoustics V2 every 2 weeks. Most recently, Lambda was updated on October 4, 2026 and Cinod about L.Acoustics V2 on October 1, 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.*