# Smart Vibration Meter・Detector vs Smart Sound Meter

The clearest difference is review sentiment: Smart Vibration Meter・Detector at 60% against Smart Sound Meter's 0%. Smart Vibration Meter・Detector also leads on rating (4.1 vs 2.8) and ratings volume (27 vs 6). Smart Sound Meter's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Smart Vibration Meter・Detector holds the better App Store score, 4.1 against 2.8. Both are backed by a comparable volume of ratings — 27 and 6 respectively. Written reviews point the same way: 60% of Smart Vibration Meter・Detector's written reviews are positive against 0% of Smart Sound Meter's.

Smart Vibration Meter・Detector ships an update every 8 months, Smart Sound Meter every 12 months. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Smart Vibration Meter・Detector | Smart Sound Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (27 ratings)](https://appshunter.io/ios/app/smart-vibration-meterdetector/id1121590218/reviews)** | [2.8 (6 ratings)](https://appshunter.io/ios/app/smart-sound-meter/id1122547394/reviews) |
| Number of ratings | **27** | 6 |
| Positive reviews | **60.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 8 months** | Every 12 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 79 MB | 21 MB |
| Requires iOS | 15.0 | **7.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZipoApps](https://appshunter.io/developer/1671444635) | [NETIGEN Kluzowicz sp. j.](https://appshunter.io/developer/892331873) |

## What reviewers say

### 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 |


### Smart Sound Meter

[App page](https://appshunter.io/ios/app/smart-sound-meter/id1122547394)

This utility app measures sound pressure levels using your device's microphone. It displays decibel readings and offers a reference for various noise levels. Note that hardware limitations may affect accuracy for very loud sounds.

**Highlights:** Measures sound pressure level (SPL), Displays readings in decibels (dB), Uses built-in microphone, Provides reference for noise levels, Calibrated for many devices

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AdFree | $0.99 | one-time |


## Frequently asked questions

### Is Smart Vibration Meter・Detector free?

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

### Is Smart Sound Meter free?

Smart Sound Meter is free to download, with in-app purchases available.

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

Smart Vibration Meter・Detector is rated higher. Smart Vibration Meter・Detector averages 4.1 out of 5 from 27 ratings, while Smart Sound Meter averages 2.8 from 6 ratings.

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

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

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

Smart Vibration Meter・Detector ships an update every 8 months, and Smart Sound Meter every 12 months. Most recently, Smart Vibration Meter・Detector was updated on October 20, 2026 and Smart Sound Meter on October 21, 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.*