# Lambda vs Camera Measure

The clearest difference is review sentiment: Lambda at 80% against Camera Measure's 32%. Lambda also leads on rating (5.0 vs 3.8). Camera Measure's advantage is update cadence (every 4 months vs every 54 months) and ratings volume (64 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Lambda costs $2.99 and Camera Measure $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Lambda holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Camera Measure has 64 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 32% of Camera Measure's.

Lambda ships an update every 54 months, Camera Measure every 4 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | Lambda | Camera Measure |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lambda/id434581690/reviews)** | [3.8 (64 ratings)](https://appshunter.io/ios/app/camera-measure-partometer/id689675004/reviews) |
| Number of ratings | 1 | **64** |
| Positive reviews | **80.0% of reviews** | 31.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 54 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 6 MB | 25 MB |
| Requires iOS | 15.6 | **10** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [dgApps](https://appshunter.io/developer/357488432) | [VisTech.Projects LLC](https://appshunter.io/developer/620969851) |

## 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


### Camera Measure

[App page](https://appshunter.io/ios/app/camera-measure-partometer/id689675004)

Transform your phone into a precise camera ruler for measuring distance, length, angles, and areas directly from photos. Use common reference objects for accurate, contact-free measurements in various everyday and professional scenarios.

**Highlights:** Measure distance and object size from photos, Use reference objects for calibration, Measure length, angles, areas, and circles, Supports various units of measurement, Measure from saved photos and gallery images, Zoom and edit tools for precision

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lambda free?

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

### Is Camera Measure free?

Camera Measure costs $2.99, with no in-app purchases.

### Which has better reviews, Lambda or Camera Measure?

Lambda is rated higher. Lambda averages 5.0 out of 5 from 1 ratings, while Camera Measure averages 3.8 from 64 ratings.

### Do Lambda or Camera Measure have ads?

Neither Lambda nor Camera Measure shows ads.

### Which is updated more often, Lambda or Camera Measure?

Lambda ships an update every 54 months, and Camera Measure every 4 months. Most recently, Lambda was updated on November 6, 2026 and Camera Measure on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*