# Quick Quake vs Vibration meter

The clearest difference is in-app purchases: Quick Quake at none against Vibration meter's 2. Quick Quake also leads on ads (none vs shown) and iOS requirement (9.0 vs 16.0). Vibration meter's advantage is rating (4.4 vs 4.0) and update cadence (monthly vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Vibration meter sells 2 in-app purchases, starting at $0.99 per month. Quick Quake asks for nothing beyond the download.

Vibration meter holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Vibration meter has 14 ratings behind it against 2, so its average is the more settled of the two.

Quick Quake ships an update every 6 months, Vibration meter monthly. The most recent releases landed on June 7, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Quick Quake | Vibration meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/quick-quake/id743534887/reviews) | **[4.4 (14 ratings)](https://appshunter.io/ios/app/vibration-meter-seismometer/id1373632255/reviews)** |
| Number of ratings | 2 | **14** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 51 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [ESS Earth Sciences](https://appshunter.io/developer/1424839112) | [MYSTIC MOBILE APPS LLC](https://appshunter.io/developer/1481942662) |

## What reviewers say

### Quick Quake

[App page](https://appshunter.io/ios/app/quick-quake/id743534887)

This tool allows for rapid earthquake location and magnitude verification. It serves as an educational resource, demonstrating how seismic waves determine earthquake epicenters. Users can quickly analyze data to refine automatic event notifications.

**Highlights:** Rapid earthquake location, Magnitude verification, P and S wave analysis, Demo data for education, Seismic observatory data integration, Adjustable travel velocities and depth

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Quick Quake free?

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

### Is Vibration meter free?

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

### Which has better reviews, Quick Quake or Vibration meter?

Vibration meter is rated higher. Quick Quake averages 4.0 out of 5 from 2 ratings, while Vibration meter averages 4.4 from 14 ratings.

### Do Quick Quake or Vibration meter have ads?

Vibration meter shows ads; Quick Quake does not.

### Which is updated more often, Quick Quake or Vibration meter?

Quick Quake ships an update every 6 months, and Vibration meter monthly. Most recently, Quick Quake was updated on June 7, 2026 and Vibration meter on September 22, 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.*