# Vibration meter vs Peek Pro

The clearest difference is in-app purchases: Peek Pro at none against Vibration meter's 2. Peek Pro also leads on ads (none vs shown) and update cadence (every 11 days vs monthly). Vibration meter's advantage is device support (3 vs 1). On price and iOS requirement there is nothing between them.

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

Vibration meter ships an update monthly, Peek Pro every 11 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Vibration meter | Peek Pro |
| --- | --- | --- |
| 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 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 10 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MYSTIC MOBILE APPS LLC](https://appshunter.io/developer/1481942662) | [Shenzhen Audiovisual Future Technology Co., Ltd](https://appshunter.io/developer/1795572866) |

## 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 |


### Peek Pro

[App page](https://appshunter.io/ios/app/peek-pro/id6812639818)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vibration meter free?

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

### Is Peek Pro free?

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

### Do Vibration meter or Peek Pro have ads?

Vibration meter shows ads; Peek Pro does not.

### Which is updated more often, Vibration meter or Peek Pro?

Vibration meter ships an update monthly, and Peek Pro every 11 days. Most recently, Vibration meter was updated on October 24, 2026 and Peek Pro on October 16, 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.*