# Epicenter vs Seismic Watch

The clearest difference is rating: Seismic Watch at 5.0 against Epicenter's 4.4. Seismic Watch also leads on in-app purchases (none vs 2) and iOS requirement (9.3 vs 17.4). Epicenter's advantage is update cadence (every 4 days vs fortnightly) and ratings volume (39 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Epicenter sells 2 in-app purchases, starting at $1.99 per month. Seismic Watch asks for nothing beyond the download.

Seismic Watch holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Epicenter has 39 ratings behind it against 2, so its average is the more settled of the two.

Epicenter ships an update every 4 days, Seismic Watch fortnightly. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Epicenter | Seismic Watch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (39 ratings)](https://appshunter.io/ios/app/epicenter-earthquake-map/id972755325/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/seismic-watch/id1283211949/reviews)** |
| Number of ratings | **39** | 2 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Paid | **Free** |
| Size | 102 MB | 21 MB |
| Requires iOS | 17.4 | **9.3** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jess Taylor](https://appshunter.io/developer/417821730) | [Vikas Sharma](https://appshunter.io/developer/1257452408) |

## What reviewers say

### Epicenter

[App page](https://appshunter.io/ios/app/epicenter-earthquake-map/id972755325)

Explore global earthquake activity from the past 30 days on an interactive globe. View detailed information, animate seismic events over time, and customize map displays. Includes companion apps for Apple Watch and a Today Widget for quick access to recent data.

**Highlights:** 30 days of global earthquake data, Interactive rotatable and zoomable globe, Earthquake details (magnitude, depth, source), Date scroller and animation, Customizable map terrain and fault lines, Apple Watch app for recent data, Today Widget for quick access

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Epicenter+ Monthly | $1.99 | per month |
| Epicenter+ Annual | $9.99 | per year |


### Seismic Watch

[App page](https://appshunter.io/ios/app/seismic-watch/id1283211949)

Visualize global seismic activity with this app. It clusters nearby earthquake events to show the frequency of activity in specific regions, allowing for detailed examination of recent seismic occurrences.

**Highlights:** Visualize seismic activity, Cluster nearby events, Show activity frequency by region, Zoom in for fine-grained analysis, Global earthquake data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Epicenter free?

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

### Is Seismic Watch free?

Seismic Watch is free to download, with no in-app purchases.

### Which has better reviews, Epicenter or Seismic Watch?

Seismic Watch is rated higher. Epicenter averages 4.4 out of 5 from 39 ratings, while Seismic Watch averages 5.0 from 2 ratings.

### Do Epicenter or Seismic Watch have ads?

Neither Epicenter nor Seismic Watch shows ads.

### Which is updated more often, Epicenter or Seismic Watch?

Epicenter ships an update every 4 days, and Seismic Watch fortnightly. Most recently, Epicenter was updated on October 16, 2026 and Seismic Watch on October 4, 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.*