# Vibration Detector vs 鏡頭計算  Lens Calculator

The clearest difference is price: 鏡頭計算  Lens Calculator at Free against Vibration Detector's $2.99. 鏡頭計算  Lens Calculator also leads on update cadence (monthly vs every 53 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

鏡頭計算  Lens Calculator is free to download; Vibration Detector costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Vibration Detector ships an update every 53 months, 鏡頭計算  Lens Calculator monthly. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Vibration Detector | 鏡頭計算  Lens Calculator |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/vibration-detector/id1097738573/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 53 months | **Monthly** |
| Monetization | Paid | — |
| Size | 2 MB | 5 MB |
| Requires iOS | 16 | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Lee Shi-Yeang](https://appshunter.io/developer/1110256487) |

## What reviewers say

### Vibration Detector

[App page](https://appshunter.io/ios/app/vibration-detector/id1097738573)

This app transforms your device into a high-grade vibration analyzer. It measures and records vibrations across three axes, offering real-time monitoring, customizable thresholds, and data logging for mechanical health analysis.

**Highlights:** Real-time vibration monitoring, Dual-threshold logic for logging and alarming, Data logging with timestamps, Stealth mode for battery saving, Multi-unit support (g, in/s, mm/s), Intuitive one-handed UI

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

**In-app purchases:** none


### 鏡頭計算  Lens Calculator

[App page](https://appshunter.io/ios/app/lens-calculator/id1110256488)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vibration Detector free?

Vibration Detector costs $2.99, with no in-app purchases.

### Is 鏡頭計算  Lens Calculator free?

鏡頭計算  Lens Calculator is free to download, with no in-app purchases.

### Do Vibration Detector or 鏡頭計算  Lens Calculator have ads?

Neither Vibration Detector nor 鏡頭計算  Lens Calculator shows ads.

### Which is updated more often, Vibration Detector or 鏡頭計算  Lens Calculator?

Vibration Detector ships an update every 53 months, and 鏡頭計算  Lens Calculator monthly. Most recently, Vibration Detector was updated on November 2, 2026 and 鏡頭計算  Lens Calculator on November 6, 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.*