# Vibration meter vs Quakes Today

The clearest difference is review sentiment: Quakes Today at 80% against Vibration meter's 33%. Quakes Today also leads on rating (5.0 vs 4.4) and ads (none vs shown). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Vibration meter sells 2 in-app purchases, starting at $0.99 per month and Quakes Today sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Quakes Today holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 14 and 8 respectively. Written reviews point the same way: 33% of Vibration meter's written reviews are positive against 80% of Quakes Today's.

Vibration meter ships an update monthly, Quakes Today every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Vibration meter | Quakes Today |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (14 ratings)](https://appshunter.io/ios/app/vibration-meter-seismometer/id1373632255/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/quakes-today/id1576133696/reviews)** |
| Number of ratings | **14** | 8 |
| Positive reviews | 33.3% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 51 MB | 22 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MYSTIC MOBILE APPS LLC](https://appshunter.io/developer/1481942662) | [Jim Marquardt](https://appshunter.io/developer/1576133698) |

## What reviewers say

### 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 |


### Quakes Today

[App page](https://appshunter.io/ios/app/quakes-today/id1576133696)

This app provides a quick and easy summary of global earthquake activity from the past 24 hours. Filter and sort quakes by various criteria, view details on an interactive map, and visualize swarms in real-time. A PRO version offers advanced features like time-based animations and custom location teleportation.

**Highlights:** 24-hour global earthquake summary, Filter and sort by place, magnitude, time, and distance, Interactive map with event details, Real-time earthquake swarm visualization, Timeline feature for at-a-glance snapshots, Time Machine animation (PRO), Customizable location teleportation (PRO)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quakes Today Pro | $0.99 | one-time |


## Frequently asked questions

### Is Vibration meter free?

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

### Is Quakes Today free?

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

### Which has better reviews, Vibration meter or Quakes Today?

Quakes Today is rated higher. Vibration meter averages 4.4 out of 5 from 14 ratings, while Quakes Today averages 5.0 from 8 ratings.

### Do Vibration meter or Quakes Today have ads?

Vibration meter shows ads; Quakes Today does not.

### Which is updated more often, Vibration meter or Quakes Today?

Vibration meter ships an update monthly, and Quakes Today every 3 weeks. Most recently, Vibration meter was updated on October 24, 2026 and Quakes Today 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.*