# Lambda vs Domino Scanner

The clearest difference is review sentiment: Lambda at 80% against Domino Scanner's 45%. Lambda also leads on rating (5.0 vs 4.6) and price ($2.99 vs $4.99). Domino Scanner's advantage is ratings volume (358 vs 1). On update cadence, ads, in-app purchases and device support there is nothing between them.

Lambda costs $2.99 and Domino Scanner $4.99 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 4.6. That said, the two scores are not equally well evidenced: Domino Scanner has 358 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 45% of Domino Scanner's.

Lambda ships an update every 54 months, Domino Scanner every 53 months. Both last shipped on October 4, 2026.

## The numbers

| Metric | Lambda | Domino Scanner |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lambda/id434581690/reviews)** | [4.6 (358 ratings)](https://appshunter.io/ios/app/domino-scanner/id1479290917/reviews) |
| Number of ratings | 1 | **358** |
| Positive reviews | **80.0% of reviews** | 45.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 54 months | **Every 53 months** |
| Monetization | Paid | **Free** |
| Size | 6 MB | 28 MB |
| Requires iOS | **15.6** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [dgApps](https://appshunter.io/developer/357488432) | [Clarity](https://appshunter.io/developer/339454050) |

## 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


### Domino Scanner

[App page](https://appshunter.io/ios/app/domino-scanner/id1479290917)

Effortlessly count points in your domino games by scanning up to 12 tiles at once. Optimize scanning by arranging tiles closely on a dark surface and selecting your lighting conditions. Supports multiple languages for a global gaming experience.

**Highlights:** Scan up to 12 dominos, Quick point calculation, Optimized scanning surface guidance, Adjustable lighting settings, Multi-language support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy pip counting for dominoes
- 🚀 Works perfectly for some users
- 👍 Long-awaited app, great functionality
- 👍 Accurate scanning when it works
- 👍 Saves time during domino games

**What reviewers complain about**

- 🐛 Fails to add up pips
- 🐛 Inconsistent tile counting
- 🐛 Makes too many mistakes
- 🐛 Inaccurate scan results
- 🐛 Useless without black felt

**Reported bugs**

- Fails to add up pips
- Counts the same tiles differently
- Misses pips
- Includes additional pips not there
- Too many mistakes

**Requested features**

- Add player photos to profiles
- Keep game histories
- Option to adjust total (add/subtract)
- Reset to original scan button
- Add score keeping for players


## Frequently asked questions

### Is Lambda free?

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

### Is Domino Scanner free?

Domino Scanner costs $4.99, with no in-app purchases.

### Which has better reviews, Lambda or Domino Scanner?

Lambda is rated higher. Lambda averages 5.0 out of 5 from 1 ratings, while Domino Scanner averages 4.6 from 358 ratings.

### Do Lambda or Domino Scanner have ads?

Neither Lambda nor Domino Scanner shows ads.

### Which is updated more often, Lambda or Domino Scanner?

Lambda ships an update every 54 months, and Domino Scanner every 53 months. Most recently, Lambda was updated on October 4, 2026 and Domino Scanner on October 4, 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.*