# RSN vs Vibration meter

The clearest difference is rating: Vibration meter at 4.4 against RSN's 3.4. Vibration meter also leads on update cadence (monthly vs every 2 months). RSN's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, review sentiment 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. RSN asks for nothing beyond the download.

Vibration meter holds the better App Store score, 4.4 against 3.4. Both are backed by a comparable volume of ratings — 53 and 14 respectively. Written reviews point the same way: 27% of RSN's written reviews are positive against 33% of Vibration meter's.

RSN ships an update every 2 months, Vibration meter monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | RSN | Vibration meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (53 ratings)](https://appshunter.io/ios/app/rsn/id957903066/reviews) | **[4.4 (14 ratings)](https://appshunter.io/ios/app/vibration-meter-seismometer/id1373632255/reviews)** |
| Number of ratings | **53** | 14 |
| Positive reviews | 26.7% of reviews | **33.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 58 MB | 51 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Universidad de Costa Rica](https://appshunter.io/developer/1239504636) | [MYSTIC MOBILE APPS LLC](https://appshunter.io/developer/1481942662) |

## What reviewers say

### RSN

[App page](https://appshunter.io/ios/app/rsn/id957903066)

Report seismic activity across Costa Rica and receive relevant earthquake notifications. View earthquake reports on a map and access detailed information about registered seismic events.

**Highlights:** Report felt earthquakes, Receive earthquake notifications, View earthquake reports on a map, Access detailed seismic event information, Map of epicenter locations

**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 RSN free?

RSN 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, RSN or Vibration meter?

Vibration meter is rated higher. RSN averages 3.4 out of 5 from 53 ratings, while Vibration meter averages 4.4 from 14 ratings.

### Do RSN or Vibration meter have ads?

Vibration meter shows ads; RSN does not.

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

RSN ships an update every 2 months, and Vibration meter monthly. Most recently, RSN was updated on October 24, 2026 and Vibration meter 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.*