# WBV vs Light Meter LM

The clearest difference is review sentiment: Light Meter LM at 40% against WBV's 0%. Light Meter LM also leads on update cadence (monthly vs every 7 months) and ratings volume (2.6K vs 1). WBV's advantage is in-app purchases (none vs 3) and rating (5.0 vs 4.5). On price, ads and device support there is nothing between them.

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

WBV holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Light Meter LM has 2.6K ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 0% of WBV's written reviews are positive against 40% of Light Meter LM's, so the app with the better star average is not the one people write more warmly about.

WBV ships an update every 7 months, Light Meter LM monthly. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | WBV | Light Meter LM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wbv/id797629017/reviews)** | [4.5 (2.6K ratings)](https://appshunter.io/ios/app/light-meter-lm-3000/id1554264761/reviews) |
| Number of ratings | 1 | **2.6K** |
| Positive reviews | 0.0% of reviews | **40.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 22 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Byte Works, Inc.](https://appshunter.io/developer/286319447) | [Lightray Innovation GmbH](https://appshunter.io/developer/1031383431) |

## What reviewers say

### WBV

[App page](https://appshunter.io/ios/app/wbv/id797629017)

This utility app estimates whole-body vibration amplitude using your device's accelerometer. It helps assess potential health risks associated with vibration exposure, particularly for seated operators. Data can be emailed or downloaded for workplace safety monitoring.

**Highlights:** Estimates vibration amplitude, Measures frequency weighted r.m.s and VDV, Graphical display with health guidance, Summary data and acceleration time series, Email and download data, GPS support for location data

**Features:** macOS Compatibility, Vision Pro support

**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 WBV free?

WBV 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, WBV or Light Meter LM?

WBV is rated higher. WBV averages 5.0 out of 5 from 1 ratings, while Light Meter LM averages 4.5 from 2.6K ratings.

### Do WBV or Light Meter LM have ads?

Neither WBV nor Light Meter LM shows ads.

### Which is updated more often, WBV or Light Meter LM?

WBV ships an update every 7 months, and Light Meter LM monthly. Most recently, WBV was updated on October 15, 2026 and Light Meter LM on October 24, 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.*