# WBV vs NLE Calc

The clearest difference is rating: WBV at 5.0 against NLE Calc's 2.8. NLE Calc's advantage is update cadence (fortnightly vs every 7 months) and ratings volume (10 vs 1). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

WBV holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: NLE Calc has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 0% and 0% positive.

WBV ships an update every 7 months, NLE Calc fortnightly. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | WBV | NLE Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wbv/id797629017/reviews)** | [2.8 (10 ratings)](https://appshunter.io/ios/app/nle-calc/id1266403464/reviews) |
| Number of ratings | 1 | **10** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 2 MB | 62 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Byte Works, Inc.](https://appshunter.io/developer/286319447) | [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) |

## 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


### NLE Calc

[App page](https://appshunter.io/ios/app/nle-calc/id1266403464)

This utility calculates the Recommended Weight Limit (RWL) and Lifting Index (LI) for single or multiple lifting tasks based on the NIOSH Lifting Equation. It helps assess physical stress to prevent low back musculoskeletal disorders.

**Highlights:** Calculates Recommended Weight Limit (RWL), Calculates Lifting Index (LI), Calculates Composite Lifting Index (CLI), Based on Revised NIOSH Lifting Equation, Assesses physical stress for lifting tasks

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

**In-app purchases:** none


## Frequently asked questions

### Is WBV free?

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

### Is NLE Calc free?

NLE Calc is free to download, with no in-app purchases.

### Which has better reviews, WBV or NLE Calc?

WBV is rated higher. WBV averages 5.0 out of 5 from 1 ratings, while NLE Calc averages 2.8 from 10 ratings.

### Do WBV or NLE Calc have ads?

Neither WBV nor NLE Calc shows ads.

### Which is updated more often, WBV or NLE Calc?

WBV ships an update every 7 months, and NLE Calc fortnightly. Most recently, WBV was updated on October 6, 2026 and NLE Calc on October 17, 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.*