# Hamm Seismograph vs SaferMobility

The clearest difference is review sentiment: Hamm Seismograph at 75% against SaferMobility's 0%. Hamm Seismograph also leads on rating (4.1 vs 2.8) and ratings volume (17 vs 4). SaferMobility's advantage is update cadence (every 2 months vs every 14 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Hamm Seismograph holds the better App Store score, 4.1 against 2.8. Both are backed by a comparable volume of ratings — 17 and 4 respectively. Written reviews point the same way: 75% of Hamm Seismograph's written reviews are positive against 0% of SaferMobility's.

Hamm Seismograph ships an update every 14 months, SaferMobility every 2 months. The most recent releases landed on October 23, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Hamm Seismograph | SaferMobility |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (17 ratings)](https://appshunter.io/ios/app/hamm-seismograph/id704450894/reviews)** | [2.8 (4 ratings)](https://appshunter.io/ios/app/safermobility/id972063585/reviews) |
| Number of ratings | **17** | 4 |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 1 MB | 38 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [i-NOVATiON GmbH](https://appshunter.io/developer/295851560) | [SaferMobility LLC](https://appshunter.io/developer/953186685) |

## What reviewers say

### Hamm Seismograph

[App page](https://appshunter.io/ios/app/hamm-seismograph/id704450894)

This utility app visualizes structure-borne swings caused by construction machinery, helping to identify potentially damaging vibrations. It offers real-time display, adjustable presentation modes, and diagram freezing for clear analysis.

**Highlights:** Real-time swing display, Adjustable presentation modes, Line width selection, Diagram freeze function, Sunlight-readable display, Local data processing

**In-app purchases:** none


### SaferMobility

[App page](https://appshunter.io/ios/app/safermobility/id972063585)

This app provides real-time video communication with campus safety officials, sharing your location and profile information during calls. It's designed for use at supported locations to enhance safety.

**Highlights:** Real-time video calls, Location sharing, Profile information sharing, Connects to campus safety officials, Available at supported locations

**In-app purchases:** none


## Frequently asked questions

### Is Hamm Seismograph free?

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

### Is SaferMobility free?

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

### Which has better reviews, Hamm Seismograph or SaferMobility?

Hamm Seismograph is rated higher. Hamm Seismograph averages 4.1 out of 5 from 17 ratings, while SaferMobility averages 2.8 from 4 ratings.

### Do Hamm Seismograph or SaferMobility have ads?

Neither Hamm Seismograph nor SaferMobility shows ads.

### Which is updated more often, Hamm Seismograph or SaferMobility?

Hamm Seismograph ships an update every 14 months, and SaferMobility every 2 months. Most recently, Hamm Seismograph was updated on October 23, 2026 and SaferMobility on October 20, 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.*