# Seismometer vs Vibration Detector

The clearest difference is review sentiment: Seismometer at 65% against Vibration Detector's 0%. Seismometer also leads on rating (3.3 vs 1.0) and update cadence (every 13 months vs every 53 months). On ads, in-app purchases and device support there is nothing between them.

Seismometer costs $1.99 and Vibration Detector $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Seismometer holds the better App Store score, 3.3 against 1.0. That said, the two scores are not equally well evidenced: Seismometer has 17 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 65% of Seismometer's written reviews are positive against 0% of Vibration Detector's.

Seismometer ships an update every 13 months, Vibration Detector every 53 months. The most recent releases landed on September 28, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Seismometer | Vibration Detector |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | **[3.3 (17 ratings)](https://appshunter.io/ios/app/seismometer/id288966259/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/vibration-detector/id1097738573/reviews) |
| Number of ratings | **17** | 1 |
| Positive reviews | **64.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 13 months** | Every 53 months |
| Monetization | **Free** | Paid |
| Size | 3 MB | 2 MB |
| Requires iOS | **8.0** | 16 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FFFF00 Agents AB](https://appshunter.io/developer/288966262) | [Nitrio](https://appshunter.io/developer/321121189) |

## 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


### Vibration Detector

[App page](https://appshunter.io/ios/app/vibration-detector/id1097738573)

This app transforms your device into a high-grade vibration analyzer. It measures and records vibrations across three axes, offering real-time monitoring, customizable thresholds, and data logging for mechanical health analysis.

**Highlights:** Real-time vibration monitoring, Dual-threshold logic for logging and alarming, Data logging with timestamps, Stealth mode for battery saving, Multi-unit support (g, in/s, mm/s), Intuitive one-handed UI

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

**In-app purchases:** none


## Frequently asked questions

### Is Seismometer free?

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

### Is Vibration Detector free?

Vibration Detector costs $2.99, with no in-app purchases.

### Which has better reviews, Seismometer or Vibration Detector?

Seismometer is rated higher. Seismometer averages 3.3 out of 5 from 17 ratings, while Vibration Detector averages 1.0 from 1 ratings.

### Do Seismometer or Vibration Detector have ads?

Neither Seismometer nor Vibration Detector shows ads.

### Which is updated more often, Seismometer or Vibration Detector?

Seismometer ships an update every 13 months, and Vibration Detector every 53 months. Most recently, Seismometer was updated on September 28, 2026 and Vibration Detector on September 10, 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.*