# Grid Image vs My Earthquake Tracker Alerts

The clearest difference is price: My Earthquake Tracker Alerts at Free against Grid Image's $0.99. Grid Image's advantage is in-app purchases (none vs 3) and update cadence (every 5 days vs every 4 months). On ads and device support there is nothing between them.

My Earthquake Tracker Alerts is free to download; Grid Image costs $0.99 up front. My Earthquake Tracker Alerts sells 3 in-app purchases, starting at $0.99 per 7 days. Grid Image asks for nothing beyond the download.

Grid Image ships an update every 5 days, My Earthquake Tracker Alerts every 4 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Grid Image | My Earthquake Tracker Alerts |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.8 (4 ratings)](https://appshunter.io/ios/app/my-earthquake-tracker-alerts/id6746807604/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 22 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [秀杰 黄](https://appshunter.io/developer/1796123317) | [Farouk Nasser](https://appshunter.io/developer/1478256466) |

## What reviewers say

### Grid Image

[App page](https://appshunter.io/ios/app/grid-image/id6742076389)

**Features:** macOS Compatibility

**In-app purchases:** none


### My Earthquake Tracker Alerts

[App page](https://appshunter.io/ios/app/my-earthquake-tracker-alerts/id6746807604)

Monitor seismic activity globally with real-time updates and instant alerts. Explore earthquakes on an interactive map, view detailed information for each event, and stay informed about global seismic patterns. Essential for preparedness and understanding earthquake trends.

**Highlights:** Real-time earthquake monitoring, Instant push notifications, Interactive world map visualization, Detailed event information (magnitude, location, depth, time), Customizable date range filtering, Live, continuously updated earthquake feed

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $0.99 | per 7 days |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $9.99 | per year |


## Frequently asked questions

### Is Grid Image free?

Grid Image costs $0.99, with no in-app purchases.

### Is My Earthquake Tracker Alerts free?

My Earthquake Tracker Alerts is free to download, with in-app purchases available.

### Do Grid Image or My Earthquake Tracker Alerts have ads?

Neither Grid Image nor My Earthquake Tracker Alerts shows ads.

### Which is updated more often, Grid Image or My Earthquake Tracker Alerts?

Grid Image ships an update every 5 days, and My Earthquake Tracker Alerts every 4 months. Most recently, Grid Image was updated on October 30, 2026 and My Earthquake Tracker Alerts on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*