# Vibration meter vs Remforce

The clearest difference is in-app purchases: Remforce at none against Vibration meter's 2. Remforce also leads on ads (none vs shown) and iOS requirement (13.4 vs 16.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Vibration meter sells 2 in-app purchases, starting at $0.99 per month. Remforce asks for nothing beyond the download.

Vibration meter ships an update monthly, Remforce every 6 weeks. The most recent releases landed on October 9, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Vibration meter | Remforce |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (14 ratings)](https://appshunter.io/ios/app/vibration-meter-seismometer/id1373632255/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 41 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MYSTIC MOBILE APPS LLC](https://appshunter.io/developer/1481942662) | [Boiler Connect Ltd.](https://appshunter.io/developer/1631408105) |

## What reviewers say

### Vibration meter

[App page](https://appshunter.io/ios/app/vibration-meter-seismometer/id1373632255)

Measure the strength of vibrations, tremors, and earthquakes using your phone's built-in seismograph. Visualize seismic movements on graphs, receive real-time Mercalli scale readings, and get instant alerts for seismic shocks. Data can be saved and shared for analysis.

**Highlights:** High-accuracy seismometer, Seismic wave detection, Detailed graphical analysis, Real-time Mercalli scale readings, Instant alerts for seismic shocks, Effortless data autosave, Apple Watch compatibility

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Vibration meter+ | $0.99 | per month |
| Annual Vibration meter+ | $5.99 | per year |


### Remforce

[App page](https://appshunter.io/ios/app/remforce/id1631408103)

**In-app purchases:** none


## Frequently asked questions

### Is Vibration meter free?

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

### Is Remforce free?

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

### Do Vibration meter or Remforce have ads?

Vibration meter shows ads; Remforce does not.

### Which is updated more often, Vibration meter or Remforce?

Vibration meter ships an update monthly, and Remforce every 6 weeks. Most recently, Vibration meter was updated on October 9, 2026 and Remforce on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*