# Optical Power Meter vs Smart Level

The clearest difference is rating: Smart Level at 3.5 against Optical Power Meter's 2.6. Smart Level also leads on iOS requirement (7.0 vs 12.0). Optical Power Meter's advantage is in-app purchases (none vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Smart Level sells 1 one-off in-app purchase. Optical Power Meter asks for nothing beyond the download.

Smart Level holds the better App Store score, 3.5 against 2.6. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Both ship on a similar rhythm, roughly every 12 months. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Optical Power Meter | Smart Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/optical-power-meter/id665941154/reviews) | **[3.5 (2 ratings)](https://appshunter.io/ios/app/smart-level/id1115083676/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | Every 12 months |
| Monetization | Free | Free |
| Size | 19 MB | 23 MB |
| Requires iOS | 12.0 | **7.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thorlabs GmbH](https://appshunter.io/developer/662121683) | [NETIGEN Kluzowicz sp. j.](https://appshunter.io/developer/892331873) |

## 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


### Smart Level

[App page](https://appshunter.io/ios/app/smart-level/id1115083676)

This utility app transforms your smartphone into a precise spirit level. It measures horizontal and vertical surfaces, displaying the angle of inclination. Ideal for home repairs and professional use, it offers ease of use and accurate readings.

**Highlights:** Smartphone spirit level, Measures horizontal and vertical surfaces, Displays angle of inclination, Bull's eye level for 2D measurement, Precise and easy to use

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AdFree | $0.99 | one-time |


## Frequently asked questions

### Is Optical Power Meter free?

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

### Is Smart Level free?

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

### Which has better reviews, Optical Power Meter or Smart Level?

Smart Level is rated higher. Optical Power Meter averages 2.6 out of 5 from 5 ratings, while Smart Level averages 3.5 from 2 ratings.

### Do Optical Power Meter or Smart Level have ads?

Neither Optical Power Meter nor Smart Level shows ads.

### Which is updated more often, Optical Power Meter or Smart Level?

Optical Power Meter ships an update every 12 months, and Smart Level every 12 months. Most recently, Optical Power Meter was updated on October 4, 2026 and Smart Level on October 10, 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.*