# Instant USGS Earthquake Lite vs WebTraQ

The clearest difference is update cadence: Instant USGS Earthquake Lite at every 7 months against WebTraQ's every 20 months. WebTraQ's advantage is iOS requirement (10.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Instant USGS Earthquake Lite ships an update every 7 months, WebTraQ every 20 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Instant USGS Earthquake Lite | WebTraQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (11 ratings)](https://appshunter.io/ios/app/instant-usgs-earthquake-lite/id1084809208/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 20 months |
| Monetization | Free | — |
| Size | 11 MB | 3 MB |
| Requires iOS | 17.0 | **10.0** |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [Jufen Chang](https://appshunter.io/developer/1075589996) | [Globalsat Technology Corporation.](https://appshunter.io/developer/624997558) |

## What reviewers say

### Instant USGS Earthquake Lite

[App page](https://appshunter.io/ios/app/instant-usgs-earthquake-lite/id1084809208)

This app provides real-time earthquake alerts and NOAA radar imagery. It displays earthquake information with color-coded severity and allows users to view alerts on a map with various viewing options. The app also offers a 3D view for alerts and integrates with Apple Watch.

**Highlights:** Real-time earthquake alerts, Color-coded severity levels, Interactive map view, NOAA radar imagery, 3D view for alerts, Apple Watch integration

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

**In-app purchases:** none


### WebTraQ

[App page](https://appshunter.io/ios/app/webtraq/id1662803973)

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

**In-app purchases:** none


## Frequently asked questions

### Is Instant USGS Earthquake Lite free?

Instant USGS Earthquake Lite is free to download, with no in-app purchases.

### Is WebTraQ free?

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

### Do Instant USGS Earthquake Lite or WebTraQ have ads?

Neither Instant USGS Earthquake Lite nor WebTraQ shows ads.

### Which is updated more often, Instant USGS Earthquake Lite or WebTraQ?

Instant USGS Earthquake Lite ships an update every 7 months, and WebTraQ every 20 months. Most recently, Instant USGS Earthquake Lite was updated on November 2, 2026 and WebTraQ on October 25, 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.*