# Seismometer vs Earthquakes

The clearest difference is rating: Earthquakes at 3.8 against Seismometer's 3.3. Earthquakes also leads on update cadence (every 3 days vs every 13 months) and price ($0.99 vs $1.99). Seismometer's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 15.0). On review sentiment, ratings volume, ads and device support there is nothing between them.

Seismometer costs $1.99 and Earthquakes $0.99 up front. Earthquakes sells 1 in-app purchase, starting at $3.99 per year. Seismometer asks for nothing beyond the download.

Earthquakes holds the better App Store score, 3.8 against 3.3. Both are backed by a comparable volume of ratings — 17 and 10 respectively. Written reviews point the same way: 65% of Seismometer's written reviews are positive against 67% of Earthquakes's.

Seismometer ships an update every 13 months, Earthquakes every 3 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Seismometer | Earthquakes |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | [3.3 (17 ratings)](https://appshunter.io/ios/app/seismometer/id288966259/reviews) | **[3.8 (10 ratings)](https://appshunter.io/ios/app/earthquakes-earthquake-map/id879715693/reviews)** |
| Number of ratings | **17** | 10 |
| Positive reviews | 64.7% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 days** |
| Monetization | **Free** | Paid |
| Size | 3 MB | 26 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [FFFF00 Agents AB](https://appshunter.io/developer/288966262) | [Yet to be Named Enterprise](https://appshunter.io/developer/293303972) |

## What reviewers say

### Seismometer

[App page](https://appshunter.io/ios/app/seismometer/id288966259)

This app uses your device's accelerometer to detect and measure vibrations, shakes, and movements. It calculates the energy of these movements and displays them on a logarithmic scale, offering various signal filters and recording capabilities.

**Highlights:** Measure vibrations and movements, Uses device accelerometer, Calculates energy of movements, Logarithmic scale display, Signal filters, Recordings and CSV export, UDP Streaming

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Sensitive and accurate
- 👍 Great for demonstrating vibrations
- 👍 Useful for photography and audio
- 👍 Visually appealing
- 👍 Clever use of accelerometer

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Inaccurate readings even on flat surfaces
- 🔋 Drains battery quickly
- 🔒 No security or privacy features
- 👎 Limited functionality and customization

**Reported bugs**

- Crashes when trying to view recordings
- Unresponsive controls
- Incompatible with newer iPhone models
- Screen turns off unexpectedly

**Requested features**

- Pause and scroll back through recordings
- Save and email recorded data
- Adjustable sensitivity settings
- Richter scale or other measurement units
- Ability to record and review vibration history


### Earthquakes

[App page](https://appshunter.io/ios/app/earthquakes-earthquake-map/id879715693)

This app displays earthquake data on a map and provides customizable notifications for seismic events. Users can sort earthquakes by magnitude, distance, and time, and set limits for notifications and map displays based on size.

**Highlights:** Interactive earthquake map, Customizable earthquake notifications, Sort earthquakes by magnitude, Sort earthquakes by distance, Sort earthquakes by time, Notification limits by size

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Notifications | $3.99 | per year |


## Frequently asked questions

### Is Seismometer free?

Seismometer costs $1.99, with no in-app purchases.

### Is Earthquakes free?

Earthquakes costs $0.99, and also offers in-app purchases.

### Which has better reviews, Seismometer or Earthquakes?

Earthquakes is rated higher. Seismometer averages 3.3 out of 5 from 17 ratings, while Earthquakes averages 3.8 from 10 ratings.

### Do Seismometer or Earthquakes have ads?

Neither Seismometer nor Earthquakes shows ads.

### Which is updated more often, Seismometer or Earthquakes?

Seismometer ships an update every 13 months, and Earthquakes every 3 days. Most recently, Seismometer was updated on October 27, 2026 and Earthquakes on October 24, 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.*