# ForeShock vs Tremor

The clearest difference is rating: ForeShock at 5.0 against Tremor's 4.5. ForeShock also leads on in-app purchases (none vs 3) and ads (none vs shown). Tremor's advantage is ratings volume (8 vs 1) and iOS requirement (15.1 vs 18.2). On price and device support there is nothing between them.

Both are free to download. Tremor sells 3 in-app purchases, starting at $2.99 per month. ForeShock asks for nothing beyond the download.

ForeShock holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Tremor has 8 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | ForeShock | Tremor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/foreshock/id6745319949/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/tremor-earthquake-tracker/id6768070218/reviews) |
| Number of ratings | 1 | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 17 MB | 67 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Salvador Huesca Ortiz](https://appshunter.io/developer/1809031180) | [FORTYNINE AND A HALF LABS, LLC](https://appshunter.io/developer/1896535861) |

## What reviewers say

### ForeShock

[App page](https://appshunter.io/ios/app/foreshock/id6745319949)

Receive real-time earthquake alerts and track seismic activity globally. The app offers tools for noting observations and exporting them, ensuring you stay informed with accurate, up-to-date data.

**Highlights:** Real-time earthquake alerts, Live seismic activity tracking, Personal observation notes, Export notes to PDF, Accurate global data, Clean and fast interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Tremor

[App page](https://appshunter.io/ios/app/tremor-earthquake-tracker/id6768070218)

Track earthquakes worldwide in real-time with an interactive 3D globe. Get instant updates from USGS and EMSC, and learn about seismic activity. Offers premium features for ad-free experience and advanced insights.

**Highlights:** Real-time earthquake tracking, Interactive 3D globe map, Instant USGS/EMSC data updates, Accurate quake distance from your location, Earthquake learning resources, Ad-free Pro version with smart alerts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tremor Pro Monthly | $2.99 | per month |
| Tremor Pro Annual | $19.99 | per year |
| Tremor Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is ForeShock free?

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

### Is Tremor free?

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

### Which has better reviews, ForeShock or Tremor?

ForeShock is rated higher. ForeShock averages 5.0 out of 5 from 1 ratings, while Tremor averages 4.5 from 8 ratings.

### Do ForeShock or Tremor have ads?

Tremor shows ads; ForeShock does not.

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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.*