# Accelerometer vs Smart Vibration Meter・Detector

The clearest difference is ads: Accelerometer at none against Smart Vibration Meter・Detector's shown. Smart Vibration Meter・Detector's advantage is ratings volume (27 vs 1) and iOS requirement (15.0 vs 17.6). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Accelerometer sells 1 one-off in-app purchase and Smart Vibration Meter・Detector sells 17 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.0 for Accelerometer against 4.1 for Smart Vibration Meter・Detector. That said, the two scores are not equally well evidenced: Smart Vibration Meter・Detector has 27 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 54% of Accelerometer's written reviews are positive against 60% of Smart Vibration Meter・Detector's.

Accelerometer ships an update every 5 months, Smart Vibration Meter・Detector every 8 months. The most recent releases landed on June 9, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | Accelerometer | Smart Vibration Meter・Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/accelerometer-g-force-meter/id499629589/reviews) | **[4.1 (27 ratings)](https://appshunter.io/ios/app/smart-vibration-meterdetector/id1121590218/reviews)** |
| Number of ratings | 1 | **27** |
| Positive reviews | 53.7% of reviews | **60.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 months** | Every 8 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 2 MB | 79 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jan Halozan](https://appshunter.io/developer/482137824) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## What reviewers say

### Accelerometer

[App page](https://appshunter.io/ios/app/accelerometer-g-force-meter/id499629589)

Transform your device into a precise 3-axis accelerometer. Monitor live acceleration and G-force readings, record motion data, and export it in various formats for detailed analysis. Ideal for experiments, testing, and engineering.

**Highlights:** Realtime X/Y/Z acceleration, G-force measurement, Record motion sessions, CSV/JSON/XML export, Adjustable sample rate, Max/Min tracking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Accelerometer Pro | $1.99 | one-time |


### Smart Vibration Meter・Detector

[App page](https://appshunter.io/ios/app/smart-vibration-meterdetector/id1121590218)

This utility app transforms your phone into a seismograph to measure vibrations and detect earthquakes. It displays readings on both the Richter and Mercalli scales, offering insights into seismic activity.

**Highlights:** Measures vibration using phone sensors, Displays readings on Richter scale, Displays readings on Mercalli intensity scale, Acts as a seismic detector, Calibration feature for accuracy, Classifies seismic activity effects

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

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $0.99 | per 7 days |
| Unlimited access | $1.99 | per 7 days |
| Unlimited access | $2.99 | per 7 days |
| Unlimited access | $3.99 | per 7 days |
| Unlock premuium features | $4.99 | per 7 days |
| Unlock premuium features | $5.99 | per 7 days |
| Unlock premuium features | $6.99 | per 7 days |
| Unlock premuium features | $7.99 | per 7 days |
| Unlock premuium features | $8.99 | per 7 days |
| Unlock premuium features | $9.99 | per year |
| Unlimited access | $19.99 | per year |
| Unlock premuium features | $19.99 | per month |
| Unlimited access | $29.99 | per year |
| Unlock premuium features | $29.99 | per month |
| Unlimited access | $39.99 | per year |
| Unlimited access | $49.99 | per year |
| Ads-Free | $0.99 | one-time |


## Frequently asked questions

### Is Accelerometer free?

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

### Is Smart Vibration Meter・Detector free?

Smart Vibration Meter・Detector is free to download, with in-app purchases available.

### Which has better reviews, Accelerometer or Smart Vibration Meter・Detector?

Smart Vibration Meter・Detector is rated higher. Accelerometer averages 4.0 out of 5 from 1 ratings, while Smart Vibration Meter・Detector averages 4.1 from 27 ratings.

### Do Accelerometer or Smart Vibration Meter・Detector have ads?

Smart Vibration Meter・Detector shows ads; Accelerometer does not.

### Which is updated more often, Accelerometer or Smart Vibration Meter・Detector?

Accelerometer ships an update every 5 months, and Smart Vibration Meter・Detector every 8 months. Most recently, Accelerometer was updated on June 9, 2026 and Smart Vibration Meter・Detector on August 12, 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.*