# Lambda vs Smooth Talker

The clearest difference is price: Smooth Talker at Free against Lambda's $2.99. Smooth Talker also leads on update cadence (monthly vs every 54 months) and ratings volume (27 vs 1). Lambda's advantage is rating (5.0 vs 3.2) and in-app purchases (none vs 5). On device support and iOS requirement there is nothing between them.

Smooth Talker is free to download; Lambda costs $2.99 up front. Smooth Talker sells 5 in-app purchases, starting at $9.99 per month. Lambda asks for nothing beyond the download.

Lambda holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: Smooth Talker has 27 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 80% of Lambda's written reviews are positive against 46% of Smooth Talker's.

Lambda ships an update every 54 months, Smooth Talker monthly. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Lambda | Smooth Talker |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lambda/id434581690/reviews)** | [3.2 (27 ratings)](https://appshunter.io/ios/app/smooth-talker-remove-silence/id1577655183/reviews) |
| Number of ratings | 1 | **27** |
| Positive reviews | **80.0% of reviews** | 46.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 54 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 6 MB | 7 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [dgApps](https://appshunter.io/developer/357488432) | [Axiom Technology Holdings, LLC.](https://appshunter.io/developer/1577655185) |

## 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


### Smooth Talker

[App page](https://appshunter.io/ios/app/smooth-talker-remove-silence/id1577655183)

This advanced video editor automatically removes silent pauses from your videos and audio recordings. Streamline content creation for social media or efficiently edit lectures and discussions by cutting out unnecessary quiet moments.

**Highlights:** Remove silent parts from audio and video, Edit silent threshold, Set minimum silence length, Add padding time between clips, Remove audio blips, Preview before cutting, Export for social networks

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access Monthly | $9.99 | per month |
| Pro Access Yearly | $18.99 | per year |
| Export to Camera Roll | $18.99 | one-time |
| Export to Camera Roll | $28.99 | one-time |
| Lifetime Pro Access | $39.99 | one-time |


## Frequently asked questions

### Is Lambda free?

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

### Is Smooth Talker free?

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

### Which has better reviews, Lambda or Smooth Talker?

Lambda is rated higher. Lambda averages 5.0 out of 5 from 1 ratings, while Smooth Talker averages 3.2 from 27 ratings.

### Do Lambda or Smooth Talker have ads?

Smooth Talker shows ads; Lambda does not.

### Which is updated more often, Lambda or Smooth Talker?

Lambda ships an update every 54 months, and Smooth Talker monthly. Most recently, Lambda was updated on September 17, 2026 and Smooth Talker on September 16, 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.*