# Sismologia vs Mi Alerta

The clearest difference is in-app purchases: Mi Alerta at none against Sismologia's 3. Mi Alerta also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Sismologia sells 3 in-app purchases, starting at $0.49 per month. Mi Alerta asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 days. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sismologia | Mi Alerta |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/sismologia/id956882202/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | Every 6 days |
| Monetization | Free with in-app purchases | — |
| Size | 327 MB | 121 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Birdie](https://appshunter.io/developer/501577796) | [Gonzalo ignacio Galdames Quintanilla](https://appshunter.io/developer/1820580921) |

## What reviewers say

### Sismologia

[App page](https://appshunter.io/ios/app/sismologia/id956882202)

Get instant, reliable information on the latest earthquakes and tremors worldwide. Receive real-time seismic data from multiple official sources and get immediate notifications for events near your location without needing to keep the app open.

**Highlights:** Real-time seismic data, Multiple official sources, Instant earthquake notifications, Location-based alerts, Ad-free subscription option

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.49 | per month |
| Sismología Pro | $1.99 | per month |
| Sismología Pro | $11.99 | per year |


### Mi Alerta

[App page](https://appshunter.io/ios/app/mi-alerta/id6747280128)

**In-app purchases:** none


## Frequently asked questions

### Is Sismologia free?

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

### Is Mi Alerta free?

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

### Do Sismologia or Mi Alerta have ads?

Sismologia shows ads; Mi Alerta does not.

### Which is updated more often, Sismologia or Mi Alerta?

Sismologia ships an update every 6 days, and Mi Alerta every 6 days. Most recently, Sismologia was updated on November 1, 2026 and Mi Alerta 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.*