# LD Atlas vs Structural Floor Vibration

The clearest difference is ratings volume: LD Atlas at 4 against Structural Floor Vibration's 1. LD Atlas also leads on iOS requirement (14.0 vs 17.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for LD Atlas against 5.0 for Structural Floor Vibration. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

## The numbers

| Metric | LD Atlas | Structural Floor Vibration |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/ld-atlas/id1458129589/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/structural-floor-vibration/id6745415659/reviews) |
| Number of ratings | **4** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | Free |
| Size | 219 MB | 1 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PCB Piezotronics, Inc.](https://appshunter.io/developer/1049795372) | [ESI Engineering](https://appshunter.io/developer/1812109983) |

## What reviewers say

### LD Atlas

[App page](https://appshunter.io/ios/app/ld-atlas/id1458129589)

This application connects to specific noise dosimeters and vibration meters via Bluetooth or WiFi. It enables users to monitor meter status, perform calibrations, conduct measurements, and generate detailed PDF reports for analysis.

**Highlights:** Bluetooth/WiFi connectivity, Meter status monitoring, Calibration, Measurement execution, Data review, PDF report generation

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

**In-app purchases:** none


### Structural Floor Vibration

[App page](https://appshunter.io/ios/app/structural-floor-vibration/id6745415659)

This utility app measures and records floor vibrations using your device's accelerometer. It helps users evaluate vibration levels and compare them against established engineering criteria for steel-framed structures.

**Highlights:** Measure floor vibration, Record vibration data, Evaluate vibration levels, Compare amplitudes to criteria, Uses device accelerometer

**In-app purchases:** none


## Frequently asked questions

### Is LD Atlas free?

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

### Is Structural Floor Vibration free?

Structural Floor Vibration is free to download, with no in-app purchases.

### Which has better reviews, LD Atlas or Structural Floor Vibration?

LD Atlas and Structural Floor Vibration are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do LD Atlas or Structural Floor Vibration have ads?

Neither LD Atlas nor Structural Floor Vibration shows ads.

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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.*