# Pocket Laser Level vs Thermal Transmittance Calc

The clearest difference is rating: Pocket Laser Level at 4.7 against Thermal Transmittance Calc's 4.1. Pocket Laser Level also leads on ads (none vs shown) and ratings volume (264 vs 11). Thermal Transmittance Calc's advantage is review sentiment (75% vs 58%). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Pocket Laser Level sells 1 one-off in-app purchase and Thermal Transmittance Calc sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Pocket Laser Level holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: Pocket Laser Level has 264 ratings behind it against 11, so its average is the more settled of the two. Written reviews complicate that: 58% of Pocket Laser Level's written reviews are positive against 75% of Thermal Transmittance Calc's, so the app with the better star average is not the one people write more warmly about.

Pocket Laser Level ships an update every 10 months, Thermal Transmittance Calc every 11 months. The most recent releases landed on November 11, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Pocket Laser Level | Thermal Transmittance Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (264 ratings)](https://appshunter.io/ios/app/pocket-laser-level/id1463757385/reviews)** | [4.1 (11 ratings)](https://appshunter.io/ios/app/thermal-transmittance-calc/id1473745621/reviews) |
| Number of ratings | **264** | 11 |
| Positive reviews | 57.6% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 months** | Every 11 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 11 MB | 119 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [ALEXEY KOZLOV](https://appshunter.io/developer/1393860478) |

## What reviewers say

### Pocket Laser Level

[App page](https://appshunter.io/ios/app/pocket-laser-level/id1463757385)

This app transforms your device into a versatile measuring tool. It offers a laser pointer for visual leveling, a traditional spirit level, and a clinometer for angle measurements. Perfect for DIY projects, construction, and interior design.

**Highlights:** Laser pointer for leveling, 3-mode spirit level, Clinometer for vertical angles, Augmented reality leveling, Adjustable precision, Take and send measurement photos

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


### Thermal Transmittance Calc

[App page](https://appshunter.io/ios/app/thermal-transmittance-calc/id1473745621)

Calculate heat loss and humidity issues in building structures. Input air temperature, humidity, and material layers to visualize temperature and dew point changes. Supports both Celsius/Fahrenheit and cm/inches.

**Highlights:** Calculate heat loss, Identify humidity problems, Visualize temperature and dew point changes, Supports Celsius and Fahrenheit, Supports centimeters and inches, Easy data entry and immediate results

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Creating a new material | $2.99 | one-time |


## Frequently asked questions

### Is Pocket Laser Level free?

Pocket Laser Level is free to download, with in-app purchases available.

### Is Thermal Transmittance Calc free?

Thermal Transmittance Calc is free to download, with in-app purchases available.

### Which has better reviews, Pocket Laser Level or Thermal Transmittance Calc?

Pocket Laser Level is rated higher. Pocket Laser Level averages 4.7 out of 5 from 264 ratings, while Thermal Transmittance Calc averages 4.1 from 11 ratings.

### Do Pocket Laser Level or Thermal Transmittance Calc have ads?

Thermal Transmittance Calc shows ads; Pocket Laser Level does not.

### Which is updated more often, Pocket Laser Level or Thermal Transmittance Calc?

Pocket Laser Level ships an update every 10 months, and Thermal Transmittance Calc every 11 months. Most recently, Pocket Laser Level was updated on November 11, 2026 and Thermal Transmittance Calc on November 6, 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.*