# Smart Vibration Meter・Detector vs 2nd in Command

The clearest difference is price: Smart Vibration Meter・Detector at Free against 2nd in Command's $1.99. Smart Vibration Meter・Detector also leads on ratings volume (27 vs 1). 2nd in Command's advantage is rating (5.0 vs 4.1) and review sentiment (100% vs 60%). On device support there is nothing between them.

Smart Vibration Meter・Detector is free to download; 2nd in Command costs $1.99 up front. Smart Vibration Meter・Detector sells 17 in-app purchases, starting at $0.99 per 7 days. 2nd in Command asks for nothing beyond the download.

2nd in Command holds the better App Store score, 5.0 against 4.1. 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 point the same way: 60% of Smart Vibration Meter・Detector's written reviews are positive against 100% of 2nd in Command's.

Smart Vibration Meter・Detector ships an update every 8 months, 2nd in Command every 6 weeks. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Smart Vibration Meter・Detector | 2nd in Command |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.1 (27 ratings)](https://appshunter.io/ios/app/smart-vibration-meterdetector/id1121590218/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/2nd-in-command-rampant/id6505068567/reviews)** |
| Number of ratings | **27** | 1 |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 79 MB | 61 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZipoApps](https://appshunter.io/developer/1671444635) | [Goathead Software](https://appshunter.io/developer/512656425) |

## 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 |


### 2nd in Command

[App page](https://appshunter.io/ios/app/2nd-in-command-rampant/id6505068567)

This app helps you build and manage warbands for tabletop skirmish games like Lion Rampant and Dragon Rampant. It offers instant point calculation for units and abilities, quick rule references, and saves your warband lists for immediate play.

**Highlights:** Build warbands for historical and fantasy settings, Instant point calculation for units and abilities, Save and store complete warband lists, Quick reference guide for core rules, Instant unit stat lookup (Fight, Courage, Attack)

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

**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 2nd in Command free?

2nd in Command costs $1.99, with no in-app purchases.

### Which has better reviews, Smart Vibration Meter・Detector or 2nd in Command?

2nd in Command is rated higher. Smart Vibration Meter・Detector averages 4.1 out of 5 from 27 ratings, while 2nd in Command averages 5.0 from 1 ratings.

### Do Smart Vibration Meter・Detector or 2nd in Command have ads?

Smart Vibration Meter・Detector shows ads; 2nd in Command does not.

### Which is updated more often, Smart Vibration Meter・Detector or 2nd in Command?

Smart Vibration Meter・Detector ships an update every 8 months, and 2nd in Command every 6 weeks. Most recently, Smart Vibration Meter・Detector was updated on October 3, 2026 and 2nd in Command on October 11, 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.*