# Geosensors vs App4SHM

The clearest difference is update cadence: Geosensors at every 3 weeks against App4SHM's every 4 months. Geosensors also leads on iOS requirement (10.3 vs 13.0). 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.

Geosensors ships an update every 3 weeks, App4SHM every 4 months. Both last shipped on October 14, 2026.

## The numbers

| Metric | Geosensors | App4SHM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/geosensors/id1162783006/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 19 MB | 27 MB |
| Requires iOS | **10.3** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Geosensors](https://appshunter.io/developer/1162783005) | [COFAC](https://appshunter.io/developer/962813435) |

## What reviewers say

### Geosensors

[App page](https://appshunter.io/ios/app/geosensors/id1162783006)

This application works with specialized hardware to conduct geophysical surveys. It allows users to monitor live sensor data, set up and record surveys, and transfer completed data for further analysis. Users can also modify sensor and logger configurations.

**Highlights:** Connect to Geosensors Logger via WiFi, Monitor live EM and GPS data, View sensor auxiliary data, Resume incomplete surveys, Modify sensor and logger configurations, Download and email survey data

**Features:** macOS Compatibility

**In-app purchases:** none


### App4SHM

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

**In-app purchases:** none


## Frequently asked questions

### Is Geosensors free?

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

### Is App4SHM free?

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

### Do Geosensors or App4SHM have ads?

Neither Geosensors nor App4SHM shows ads.

### Which is updated more often, Geosensors or App4SHM?

Geosensors ships an update every 3 weeks, and App4SHM every 4 months. Most recently, Geosensors was updated on October 14, 2026 and App4SHM on October 14, 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.*