# Sismologia vs Vibration meter

The clearest difference is rating: Vibration meter at 4.4 against Sismologia's 4.0. Sismologia's advantage is update cadence (every 6 days vs monthly). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Sismologia sells 3 in-app purchases, starting at $0.49 per month and Vibration meter sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Vibration meter holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 5 and 14 respectively.

Sismologia ships an update every 6 days, Vibration meter monthly. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Sismologia | Vibration meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (5 ratings)](https://appshunter.io/ios/app/sismologia/id956882202/reviews) | **[4.4 (14 ratings)](https://appshunter.io/ios/app/vibration-meter-seismometer/id1373632255/reviews)** |
| Number of ratings | 5 | **14** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 329 MB | 51 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Birdie](https://appshunter.io/developer/501577796) | [MYSTIC MOBILE APPS LLC](https://appshunter.io/developer/1481942662) |

## What reviewers say

### Sismologia

[App page](https://appshunter.io/ios/app/sismologia/id956882202)

Stay informed about seismic activity with real-time earthquake reports from multiple official agencies. Receive push notifications for quakes near you and utilize free family alerts to check on loved ones after an event. View interactive maps and community comments.

**Highlights:** Real-time earthquake notifications, Family alerts for loved ones, Interactive earthquake map, Community comments on quakes, Filter by agency, magnitude, and distance, Lock Screen and Dynamic Island integration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.49 | per month |
| Sismología Pro | $1.99 | per month |
| Sismología Pro | $11.99 | per year |


### Vibration meter

[App page](https://appshunter.io/ios/app/vibration-meter-seismometer/id1373632255)

Measure the strength of vibrations, tremors, and earthquakes using your phone's built-in seismograph. Visualize seismic movements on graphs, receive real-time Mercalli scale readings, and get instant alerts for seismic shocks. Data can be saved and shared for analysis.

**Highlights:** High-accuracy seismometer, Seismic wave detection, Detailed graphical analysis, Real-time Mercalli scale readings, Instant alerts for seismic shocks, Effortless data autosave, Apple Watch compatibility

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Vibration meter+ | $0.99 | per month |
| Annual Vibration meter+ | $5.99 | per year |


## Frequently asked questions

### Is Sismologia free?

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

### Is Vibration meter free?

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

### Which has better reviews, Sismologia or Vibration meter?

Vibration meter is rated higher. Sismologia averages 4.0 out of 5 from 5 ratings, while Vibration meter averages 4.4 from 14 ratings.

### Do Sismologia or Vibration meter have ads?

Both Sismologia and Vibration meter show ads.

### Which is updated more often, Sismologia or Vibration meter?

Sismologia ships an update every 6 days, and Vibration meter monthly. Most recently, Sismologia was updated on November 6, 2026 and Vibration meter on November 2, 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.*