# Optical Power Meter vs Physics Labs

The clearest difference is review sentiment: Physics Labs at 100% against Optical Power Meter's 0%. Physics Labs also leads on update cadence (every 2 weeks vs every 12 months). Optical Power Meter's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Optical Power Meter ships an update every 12 months, Physics Labs every 2 weeks. The most recent releases landed on October 4, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Optical Power Meter | Physics Labs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/optical-power-meter/id665941154/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 19 MB | 32 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thorlabs GmbH](https://appshunter.io/developer/662121683) | [Huseyin Aykut Uludag](https://appshunter.io/developer/1469165629) |

## What reviewers say

### Optical Power Meter

[App page](https://appshunter.io/ios/app/optical-power-meter/id665941154)

Control handheld optical power meters remotely via Bluetooth. View power readings on a large gauge and a 5-digit display, with min/max tracking. Adjust basic settings like wavelength and zeroing from your mobile device.

**Highlights:** Remote control via Bluetooth, Large needle gauge display, 5-digit power reading, Minimum and maximum readings, Wavelength correction, Zeroing function

**Features:** macOS Compatibility

**In-app purchases:** none


### Physics Labs

[App page](https://appshunter.io/ios/app/physics-labs/id6472849584)

This app uses your device's sensors to measure various physical quantities like acceleration, magnetic fields, and sound levels. View data in coordinates or scalar magnitude, and export it to Excel for analysis. It's a digital lab for your phone.

**Highlights:** Measure acceleration, magnetic fields, and sound levels, View data in X, Y, Z coordinates or scalar magnitude, Export sensor data to Excel for analysis, Eliminate gravity from acceleration measurements, Measure atmospheric pressure

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Optical Power Meter free?

Optical Power Meter is free to download, with no in-app purchases.

### Is Physics Labs free?

Physics Labs is free to download, with no in-app purchases.

### Do Optical Power Meter or Physics Labs have ads?

Physics Labs shows ads; Optical Power Meter does not.

### Which is updated more often, Optical Power Meter or Physics Labs?

Optical Power Meter ships an update every 12 months, and Physics Labs every 2 weeks. Most recently, Optical Power Meter was updated on October 4, 2026 and Physics Labs on September 18, 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.*