Comparison

Lambda vs Cinod about L.Acoustics V2

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Lambda

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
Read full description

Musicians and Sound Engineers. Musical Notes and Frequencies and Wavelengths. Now there's an app from dgApps to convert between them all. The app features a sliding fader to dynamically change frequency, wavelength and musical note, with locks to step through standard third octave frequencies or whole musical notes. There's a built in oscillator so you can hear the frequency, and a frequency tracker so the app can tell you the frequency. Both the oscillator and the frequency tracker display the audio waveform. A settings section allows for different tuning standards, and variations in the speed of sound. Lambda can also receive calculated Speed of Sound in Air values from another dgApps app, Cair. Lambda is now a universal app, equally at home on an iPhone as on an iPad. In Split Mode on an iPad device, side by side with Cair, the calculated Speed of Sound in Air is passed in real time to the Lambda app. Lambda allows you to share frequency/wavelength/note data via all the usual sharing methods.

About

Cinod about L.Acoustics V2

Features
Read full description

Full access, online or offline. This new version gives you the keys to all L-Acoustics technical documentation (Preset Guide and 40+ manuals) with total flexibility to match your situation. Two modes for your needs: Standard Mode (Connected): The app stays ultra-light (20 MB). Access all documents via dynamic links. Ideal for saving space while staying connected via 4G/5G or Wi-Fi. Offline Mode (Local Storage): Preparing for a tour or boarding a flight? Download manuals "à la carte" by speaker or product family. Storage Management: Add or remove documents based on your current projects. Capacity: To carry the entire library for offline use, the app can take up to 500 MB of compressed files. Critical answers in the blink of an eye. Whether checking the number of X12, K2, KS28, or A10 per LA12X, confirming load weights, or setting up a K2/KS28 cardioid array, the tool is available in 6 languages.

Screenshots

Lambda4 screens
Cinod about L.Acoustics V24 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
Lambda versus Cinod about L.Acoustics V2: the parameters behind the verdict, then further details
ParameterLambdaCinod about L.Acoustics V2
Price$2.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 54 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size6 MB25 MB
Age rating4+17+
DeveloperdgAppsCinod

In-app purchases

None

Lambda

No in-app purchases

1 purchases

Cinod about L.Acoustics V2

One-time1
  • L-Acoustics Premium$11.99

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.

Other comparisons