# Lambda vs URL Editor

The clearest difference is price: URL Editor at Free against Lambda's $2.99. URL Editor also leads on update cadence (every 3 months vs every 54 months) and review sentiment (100% vs 80%). Lambda's advantage is in-app purchases (none vs 6) and iOS requirement (15.6 vs 26.0). On rating, ratings volume, ads and device support there is nothing between them.

URL Editor is free to download; Lambda costs $2.99 up front. URL Editor sells 6 one-off in-app purchases. Lambda asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Lambda against 5.0 for URL Editor. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 80% of Lambda's written reviews are positive against 100% of URL Editor's.

Lambda ships an update every 54 months, URL Editor every 3 months. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Lambda | URL Editor |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/lambda/id434581690/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/url-editor/id1562708088/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 54 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 6 MB | 17 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [dgApps](https://appshunter.io/developer/357488432) | [Henrik Panhans](https://appshunter.io/developer/954327284) |

## 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


### URL Editor

[App page](https://appshunter.io/ios/app/url-editor/id1562708088)

This app helps you manage and modify URLs, making them shorter and more convenient. It allows you to edit components, remove tracking information for enhanced privacy, and even create links from scratch.

**Highlights:** Edit URL components, Remove tracking information, Resolve original URL via HEAD request, Create URLs from scratch, Integrate with Shortcuts app

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Medium Tip | $0.99 | one-time |
| Small Tip | $0.99 | one-time |
| Large Tip | $3.99 | one-time |
| Huge Tip | $5.99 | one-time |
| Gigantic Tip | $9.99 | one-time |
| Immense Tip | $15.99 | one-time |


## Frequently asked questions

### Is Lambda free?

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

### Is URL Editor free?

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

### Which has better reviews, Lambda or URL Editor?

Lambda and URL Editor are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Lambda or URL Editor have ads?

Neither Lambda nor URL Editor shows ads.

### Which is updated more often, Lambda or URL Editor?

Lambda ships an update every 54 months, and URL Editor every 3 months. Most recently, Lambda was updated on September 17, 2026 and URL Editor on September 15, 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.*