# App4SHM vs Structural Floor Vibration

The clearest difference is iOS requirement: App4SHM at 13.0 against Structural Floor Vibration's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | App4SHM | Structural Floor Vibration |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/structural-floor-vibration/id6745415659/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | — | Free |
| Size | 27 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [COFAC - COOPERATIVA DE FORMACAO E ANIMACAO CULTURAL, C.R.L](https://appshunter.io/developer/962813435) | [ESI Engineering](https://appshunter.io/developer/1812109983) |

## What reviewers say

### App4SHM

[App page](https://appshunter.io/ios/app/app4shm/id6453887192)

**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 App4SHM free?

App4SHM 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.

### Do App4SHM or Structural Floor Vibration have ads?

Neither App4SHM 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.*