# Solid Edge Mobile Viewer vs Light Meter LM

The clearest difference is rating: Light Meter LM at 4.5 against Solid Edge Mobile Viewer's 3.0. Light Meter LM also leads on review sentiment (40% vs 13%) and ratings volume (2.6K vs 3). Solid Edge Mobile Viewer's advantage is in-app purchases (none vs 3) and iOS requirement (8.0 vs 15.0). On price and ads there is nothing between them.

Both are free to download. Light Meter LM sells 3 in-app purchases, starting at $3.49 per month. Solid Edge Mobile Viewer asks for nothing beyond the download.

Light Meter LM holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Light Meter LM has 2.6K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 13% of Solid Edge Mobile Viewer's written reviews are positive against 40% of Light Meter LM's.

Solid Edge Mobile Viewer ships an update every 3 months, Light Meter LM monthly. The most recent releases landed on July 31, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Solid Edge Mobile Viewer | Light Meter LM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/solid-edge-mobile-viewer/id527999141/reviews) | **[4.5 (2.6K ratings)](https://appshunter.io/ios/app/light-meter-lm-3000/id1554264761/reviews)** |
| Number of ratings | 3 | **2.6K** |
| Positive reviews | 12.5% of reviews | **40.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 45 MB | 22 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Siemens Industry Software Inc.](https://appshunter.io/developer/424615834) | [Lightray Innovation GmbH](https://appshunter.io/developer/1031383431) |

## What reviewers say

### Solid Edge Mobile Viewer

[App page](https://appshunter.io/ios/app/solid-edge-mobile-viewer/id527999141)

View and share 3D models and 2D drawings from design software on your iPad. Collaborate on-site, store data locally for portability, and email images directly from the device. Get started quickly with sample files.

**Highlights:** View 3D parts, assemblies, and 2D drawings, Rotate, pan, and zoom with touch gestures, Show/hide model bodies and assembly components, Save and email images of current views, Offline model viewing, Create mobile-ready viewing files

**Features:** macOS Compatibility

**In-app purchases:** none


### Light Meter LM

[App page](https://appshunter.io/ios/app/light-meter-lm-3000/id1554264761)

Transform your smartphone into a professional light meter. Measure illuminance and color temperature with scientifically validated accuracy, trusted by professionals. Requires a simple diffuser for precise readings.

**Highlights:** Measure illuminance (lux/foot-candle), Measure color temperature (Kelvin), Industry-leading accuracy, Pre-calibrated for your device, Low light sensitivity, Save peak reading, Custom calibration option

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Continuous Charging | $3.49 | per month |
| Single Charge | $0.99 | one-time |
| Unlimited Battery | $19.99 | one-time |

**What reviewers like**

- 👍 Great app
- 👍 Accurate measurements
- 👍 Easy to use
- 👍 Helpful customer service
- 👍 Useful for science/research

**What reviewers complain about**

- 🐛 Requires diffuser for accurate readings
- 💰 Expensive for a light meter app
- 🔋 Battery/trial period issues
- 🔍 Inconsistent/inaccurate readings
- 🙄 Misleading/deceptive marketing

**Reported bugs**

- Diffuser not recognized even when used
- App locks up/crashes
- Constant diffuser pop-up interruptions

**Requested features**

- Ability to use rear camera
- More flexible diffuser options
- Improved accuracy without diffuser


## Frequently asked questions

### Is Solid Edge Mobile Viewer free?

Solid Edge Mobile Viewer is free to download, with no in-app purchases.

### Is Light Meter LM free?

Light Meter LM is free to download, with in-app purchases available.

### Which has better reviews, Solid Edge Mobile Viewer or Light Meter LM?

Light Meter LM is rated higher. Solid Edge Mobile Viewer averages 3.0 out of 5 from 3 ratings, while Light Meter LM averages 4.5 from 2.6K ratings.

### Do Solid Edge Mobile Viewer or Light Meter LM have ads?

Neither Solid Edge Mobile Viewer nor Light Meter LM shows ads.

### Which is updated more often, Solid Edge Mobile Viewer or Light Meter LM?

Solid Edge Mobile Viewer ships an update every 3 months, and Light Meter LM monthly. Most recently, Solid Edge Mobile Viewer was updated on July 31, 2026 and Light Meter LM on September 23, 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.*