# Optical Power Meter vs Sennheiser Smart Control Plus

The clearest difference is review sentiment: Sennheiser Smart Control Plus at 72% against Optical Power Meter's 0%. Sennheiser Smart Control Plus also leads on rating (4.8 vs 2.6) and update cadence (monthly vs every 12 months). Optical Power Meter's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Sennheiser Smart Control Plus holds the better App Store score, 4.8 against 2.6. That said, the two scores are not equally well evidenced: Sennheiser Smart Control Plus has 4.6K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 0% of Optical Power Meter's written reviews are positive against 72% of Sennheiser Smart Control Plus's.

Optical Power Meter ships an update every 12 months, Sennheiser Smart Control Plus monthly. The most recent releases landed on September 17, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Optical Power Meter | Sennheiser Smart Control Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/optical-power-meter/id665941154/reviews) | **[4.8 (4.6K ratings)](https://appshunter.io/ios/app/sennheiser-smart-control-plus/id6448098057/reviews)** |
| Number of ratings | 5 | **4.6K** |
| Positive reviews | 0.0% of reviews | **71.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | Free | Free |
| Size | 19 MB | 190 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thorlabs GmbH](https://appshunter.io/developer/662121683) | [Sonova Consumer Hearing GmbH](https://appshunter.io/developer/1590168100) |

## 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


### Sennheiser Smart Control Plus

[App page](https://appshunter.io/ios/app/sennheiser-smart-control-plus/id6448098057)

This application provides advanced control and personalization for compatible Sennheiser headphones. Users can customize audio, manage noise cancellation, update firmware, and locate their devices. It offers features like Sound Zones and a Fit Test for an enhanced listening experience.

**Highlights:** Firmware Updates, Customizable Equalizer, Sound Personalization, Sound Zones, Fit Test, Find Headphones, Noise Cancellation Control

**In-app purchases:** none

**What reviewers like**

- 🍻 ANC OFF/ON control
- 👍 Seamless functionality
- 🚀 Fluid and responsive
- 💡 Customizable EQ presets
- 👍 Helpful app features

**What reviewers complain about**

- 🐛 Connectivity issues
- 🐛 Firmware update problems
- 🐛 Headphone detection problems
- 🔋 Battery life concerns
- 👎 Dysfunctional app

**Reported bugs**

- Headphones not detected in sound personalization
- Headphones not connecting to app
- Firmware update issues

**Requested features**

- Widget for easier control
- Transfer devices from old app
- iPad mode
- Audio cable options


## Frequently asked questions

### Is Optical Power Meter free?

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

### Is Sennheiser Smart Control Plus free?

Sennheiser Smart Control Plus is free to download, with no in-app purchases.

### Which has better reviews, Optical Power Meter or Sennheiser Smart Control Plus?

Sennheiser Smart Control Plus is rated higher. Optical Power Meter averages 2.6 out of 5 from 5 ratings, while Sennheiser Smart Control Plus averages 4.8 from 4.6K ratings.

### Do Optical Power Meter or Sennheiser Smart Control Plus have ads?

Neither Optical Power Meter nor Sennheiser Smart Control Plus shows ads.

### Which is updated more often, Optical Power Meter or Sennheiser Smart Control Plus?

Optical Power Meter ships an update every 12 months, and Sennheiser Smart Control Plus monthly. Most recently, Optical Power Meter was updated on September 17, 2026 and Sennheiser Smart Control Plus on September 27, 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.*