# Vibration Meter, seismograph vs amscan

The clearest difference is update cadence: amscan at every 11 days against Vibration Meter, seismograph's every 7 months. amscan also leads on review sentiment (50% vs 42%). Vibration Meter, seismograph's advantage is ratings volume (729 vs 5) and iOS requirement (12.0 vs 18.6). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Vibration Meter, seismograph sells 1 one-off in-app purchase and amscan sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Vibration Meter, seismograph against 4.6 for amscan. That said, the two scores are not equally well evidenced: Vibration Meter, seismograph has 729 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 42% of Vibration Meter, seismograph's written reviews are positive against 50% of amscan's.

Vibration Meter, seismograph ships an update every 7 months, amscan every 11 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Vibration Meter, seismograph | amscan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (729 ratings)](https://appshunter.io/ios/app/vibration-meter-seismograph/id1137580201/reviews)** | [4.6 (5 ratings)](https://appshunter.io/ios/app/amscan/id6749589715/reviews) |
| Number of ratings | **729** | 5 |
| Positive reviews | 41.7% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 11 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 18 MB | 20 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [Dariush Majidi](https://appshunter.io/developer/1740614809) |

## What reviewers say

### Vibration Meter, seismograph

[App page](https://appshunter.io/ios/app/vibration-meter-seismograph/id1137580201)

This application uses your phone's accelerometer to measure and record vibrations from various sources, including earthquakes and everyday objects. It displays ground motion on a graph and uses an instrumental intensity scale for analysis. You can also monitor and share your measurement results.

**Highlights:** Measures vibration strength, Detects seismic waves, Uses accelerometer for analysis, Displays ground motion graph, Utilizes instrumental intensity scale, Monitors and shares results

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


### amscan

[App page](https://appshunter.io/ios/app/amscan/id6749589715)

Visualize room modes in 3D using LiDAR scanning. Capture room geometry to instantly calculate acoustic modes, aiding in sound design and optimization for audiophiles and professionals. Offers free basic calculations with an in-app purchase for advanced modes.

**Highlights:** LiDAR room scanning, 3D room mode visualization, Automatic 3D model creation, Augmented Reality mode visualization, Basic acoustic data (RT60, Schroeder Freq, Volume), Unlimited room scanning

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simulation Geometry | $3.99 | one-time |
| Additional Room Modes | $6.99 | one-time |


## Frequently asked questions

### Is Vibration Meter, seismograph free?

Vibration Meter, seismograph is free to download, with in-app purchases available.

### Is amscan free?

amscan is free to download, with in-app purchases available.

### Which has better reviews, Vibration Meter, seismograph or amscan?

Vibration Meter, seismograph is rated higher. Vibration Meter, seismograph averages 4.7 out of 5 from 729 ratings, while amscan averages 4.6 from 5 ratings.

### Do Vibration Meter, seismograph or amscan have ads?

Neither Vibration Meter, seismograph nor amscan shows ads.

### Which is updated more often, Vibration Meter, seismograph or amscan?

Vibration Meter, seismograph ships an update every 7 months, and amscan every 11 days. Most recently, Vibration Meter, seismograph was updated on October 26, 2026 and amscan on October 24, 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.*