Comparison

Hamm Seismograph vs SaferMobility

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Hamm Seismograph

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
Read full description

Hamm Seismograph can display structure-borne swings, similar to a seismometer for earthquakes. In the surrounding of jobsites structure-borne swings, which are caused by construction machinery, occur many times. Especially during the compaction of soil or asphalt, dangerous swings can occur that can lead to damages on the surrounding buildings. Hamm Seismograph visualizes the much more lower swing-load of a compaction with Oscillation in comparison to vibration. Functions: - Real-time display of the swings - Selection of presentation mode (X-,Y- and Z-direction at the same time, or only one of these) - Selection of line width for the diagram - Freeze of the diagram (start-stop) - Airplay - Good clearness of display under sunlight conditions - No numerical output of the data The data collected by the HAMM Seismograph application is processed only locally on your device. HAMM does not have access to this data.

About

SaferMobility

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
Read full description

SaferMobility is a real-time video communication tool that connects your smartphone to campus safety officials based on its location. During your video call, campus safety officials will see your location and any profile information you have entered. This service is available only at SaferMobility-supported locations. Check with your local public safety officials to see whether this is available.

Screenshots

Hamm Seismograph4 screens
SaferMobility4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Hamm Seismograph versus SaferMobility: the parameters behind the verdict, then further details
ParameterHamm SeismographSaferMobility
PriceFreeFree
Rating4.1 (17 ratings) — better2.8 (4 ratings)
Positive reviews75.0% of reviews — better0.0% of reviews
Number of ratings17 — better4
Update frequencyEvery 14 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.0 — better12.0
Further details — not scored
Size1 MB38 MB
Age rating4+4+
Developeri-NOVATiON GmbHSaferMobility LLC

Customer experience

Hamm Seismograph

All ratings17 ratings
Positive76.5%
Neutral5.9%
Negative17.6%
Written reviews8 reviews
Positive75.0%
Neutral12.5%
Negative12.5%

SaferMobility

All ratings4 ratings
Positive25.0%
Neutral25.0%
Negative50.0%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

In-app purchases

None

Hamm Seismograph

No in-app purchases

None

SaferMobility

No in-app purchases

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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