# Comtel vs Smart Vibration Meter・Detector

The clearest difference is in-app purchases: Comtel at none against Smart Vibration Meter・Detector's 17. Comtel also leads on ads (none vs shown). Smart Vibration Meter・Detector's advantage is update cadence (every 8 months vs every 63 months). On price, device support and iOS requirement 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. Comtel asks for nothing beyond the download.

Comtel ships an update every 63 months, Smart Vibration Meter・Detector every 8 months. The most recent releases landed on September 8, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | Comtel | Smart Vibration Meter・Detector |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 63 months | **Every 8 months** |
| Monetization | — | Free with in-app purchases |
| Size | 36 MB | 79 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ProgressNet](https://appshunter.io/developer/1509775083) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## What reviewers say

### Comtel

[App page](https://appshunter.io/ios/app/comtel/id1086660312)

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

**In-app purchases:** none


### 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 Comtel free?

Comtel is free to download, with no in-app purchases.

### Is Smart Vibration Meter・Detector free?

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

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

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

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

Comtel ships an update every 63 months, and Smart Vibration Meter・Detector every 8 months. Most recently, Comtel was updated on September 8, 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.*