# Smart Tools Pro HD vs Smart Vibration Meter・Detector

The clearest difference is review sentiment: Smart Vibration Meter・Detector at 60% against Smart Tools Pro HD's 0%. Smart Vibration Meter・Detector also leads on price (Free vs $0.99) and rating (4.1 vs 1.0). Smart Tools Pro HD's advantage is in-app purchases (none vs 10) and ads (none vs shown). On update cadence there is nothing between them.

Smart Vibration Meter・Detector is free to download; Smart Tools Pro HD costs $0.99 up front. Smart Vibration Meter・Detector sells 10 in-app purchases, starting at $1.99 per 7 days. Smart Tools Pro HD asks for nothing beyond the download.

Smart Vibration Meter・Detector holds the better App Store score, 4.1 against 1.0. 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: 0% of Smart Tools Pro HD's written reviews are positive against 60% of Smart Vibration Meter・Detector's.

Smart Tools Pro HD ships an update every 9 months, Smart Vibration Meter・Detector every 8 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Smart Tools Pro HD | Smart Vibration Meter・Detector |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/smart-tools-pro-hd/id764668765/reviews) | **[4.1 (27 ratings)](https://appshunter.io/ios/app/smart-vibration-meterdetector/id1121590218/reviews)** |
| Number of ratings | 1 | **27** |
| Positive reviews | 0.0% of reviews | **60.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 8 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 11 MB | 79 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shajir Kalady](https://appshunter.io/developer/1673992247) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## What reviewers say

### Smart Tools Pro HD

[App page](https://appshunter.io/ios/app/smart-tools-pro-hd/id764668765)

This app transforms your iPad into a comprehensive toolkit with over 30 measurement and utility functions. It offers tools like rulers, protractors, speedometers, flashlights, and QR code scanners, catering to various professional and personal needs.

**Highlights:** Ruler and protractor for precise measurements, AR-based distance and height measurement, Real-time speedometer with HUD mode, Flashlight with adjustable brightness, Digital compass with GPS integration, QR code scanner and generator, Spirit level with surface and edge modes

**Features:** macOS Compatibility

**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 (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $1.99 | per 7 days |
| Unlimited access | $2.99 | per 7 days |
| Unlimited access | $3.99 | per 7 days |
| Unlock premuium features | $6.99 | per 7 days |
| Unlock premuium features | $8.99 | per 7 days |
| Unlimited access | $19.99 | per year |
| Unlimited access | $29.99 | per year |
| Unlimited access | $39.99 | per year |
| Unlimited access | $49.99 | per year |
| Ads-Free | $0.99 | one-time |


## Frequently asked questions

### Is Smart Tools Pro HD free?

Smart Tools Pro HD costs $0.99, with no in-app purchases.

### Is Smart Vibration Meter・Detector free?

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

### Which has better reviews, Smart Tools Pro HD or Smart Vibration Meter・Detector?

Smart Vibration Meter・Detector is rated higher. Smart Tools Pro HD averages 1.0 out of 5 from 1 ratings, while Smart Vibration Meter・Detector averages 4.1 from 27 ratings.

### Do Smart Tools Pro HD or Smart Vibration Meter・Detector have ads?

Smart Vibration Meter・Detector shows ads; Smart Tools Pro HD does not.

### Which is updated more often, Smart Tools Pro HD or Smart Vibration Meter・Detector?

Smart Tools Pro HD ships an update every 9 months, and Smart Vibration Meter・Detector every 8 months. Most recently, Smart Tools Pro HD was updated on November 1, 2026 and Smart Vibration Meter・Detector on November 2, 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.*