# Smart Vibration Meter・Detector vs All 4 One Customer

The clearest difference is in-app purchases: All 4 One Customer at none against Smart Vibration Meter・Detector's 10. All 4 One Customer also leads on ads (none vs shown) and iOS requirement (9.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Smart Vibration Meter・Detector sells 10 in-app purchases, starting at $1.99 per 7 days. All 4 One Customer asks for nothing beyond the download.

Smart Vibration Meter・Detector ships an update every 8 months, All 4 One Customer every 7 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Smart Vibration Meter・Detector | All 4 One Customer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (27 ratings)](https://appshunter.io/ios/app/smart-vibration-meterdetector/id1121590218/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 7 months** |
| Monetization | Free with in-app purchases | — |
| Size | 79 MB | 88 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZipoApps](https://appshunter.io/developer/1671444635) | [LOYAL TILLY LIMITED](https://appshunter.io/developer/1565826987) |

## 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 (10)**

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


### All 4 One Customer

[App page](https://appshunter.io/ios/app/all-4-one-customer/id1568150168)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Vibration Meter・Detector free?

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

### Is All 4 One Customer free?

All 4 One Customer is free to download, with no in-app purchases.

### Do Smart Vibration Meter・Detector or All 4 One Customer have ads?

Smart Vibration Meter・Detector shows ads; All 4 One Customer does not.

### Which is updated more often, Smart Vibration Meter・Detector or All 4 One Customer?

Smart Vibration Meter・Detector ships an update every 8 months, and All 4 One Customer every 7 months. Most recently, Smart Vibration Meter・Detector was updated on November 2, 2026 and All 4 One Customer on November 7, 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.*