# App4SHM vs Visual Displacement Meter

The clearest difference is update cadence: Visual Displacement Meter at fortnightly against App4SHM's every 4 months. App4SHM's advantage is iOS requirement (13.0 vs 15.0). 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.

App4SHM ships an update every 4 months, Visual Displacement Meter fortnightly. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | App4SHM | Visual Displacement Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 27 MB | 82 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [COFAC - COOPERATIVA DE FORMACAO E ANIMACAO CULTURAL, C.R.L](https://appshunter.io/developer/962813435) | [Inteagle Information Technology(Dongguan) Co., Ltd.](https://appshunter.io/developer/1720865930) |

## What reviewers say

### App4SHM

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

**In-app purchases:** none


### Visual Displacement Meter

[App page](https://appshunter.io/ios/app/visual-displacement-meter/id6749835043)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is App4SHM free?

App4SHM is free to download, with no in-app purchases.

### Is Visual Displacement Meter free?

Visual Displacement Meter is free to download, with no in-app purchases.

### Do App4SHM or Visual Displacement Meter have ads?

Neither App4SHM nor Visual Displacement Meter shows ads.

### Which is updated more often, App4SHM or Visual Displacement Meter?

App4SHM ships an update every 4 months, and Visual Displacement Meter fortnightly. Most recently, App4SHM was updated on September 10, 2026 and Visual Displacement Meter on September 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*