# explainISO9606 vs Vibration Detection

The clearest difference is review sentiment: Vibration Detection at 100% against explainISO9606's 0%. Vibration Detection also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). explainISO9606's advantage is price ($1.99 vs $7.99) and update cadence (every 4 months vs every 10 months). On ads, in-app purchases and monetization model there is nothing between them.

explainISO9606 costs $1.99 and Vibration Detection $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

explainISO9606 ships an update every 4 months, Vibration Detection every 10 months. The most recent releases landed on July 25, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | explainISO9606 | Vibration Detection |
| --- | --- | --- |
| Price | **$1.99** | $7.99 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 10 months |
| Monetization | Paid | Paid |
| Size | 1 MB | 11 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Georg Rose](https://appshunter.io/developer/521567472) | [Sebastian Bub Software Distribution](https://appshunter.io/developer/311613696) |

## What reviewers say

### explainISO9606

[App page](https://appshunter.io/ios/app/explainiso9606/id718226042)

This app helps users understand welder qualifications based on ISO 9606-1 standards. It provides detailed explanations and visual aids for specific welding parameters, allowing users to verify welder suitability for particular tasks.

**Highlights:** ISO 9606-1 welder qualification reference, Detailed explanations of welding elements, Visual aids and sketches, Welder suitability verification, Searchable ISO 9606-1 parameters

**Features:** macOS Compatibility

**In-app purchases:** none


### Vibration Detection

[App page](https://appshunter.io/ios/app/vibration-detection/id1342366914)

Analyze and diagnose vibration issues in vehicles or other systems. This tool uses your device's accelerometer to measure frequencies, identify potential sources like wheels or cardan shafts, and visualize results in interactive charts.

**Highlights:** Create car projects with custom data, Measure and analyze vibration frequencies, Visualize results in interactive charts, Identify potential vibration sources, Export measurements and project data, Integrated vehicle analysis tool

**In-app purchases:** none


## Frequently asked questions

### Is explainISO9606 free?

explainISO9606 costs $1.99, with no in-app purchases.

### Is Vibration Detection free?

Vibration Detection costs $7.99, with no in-app purchases.

### Do explainISO9606 or Vibration Detection have ads?

Neither explainISO9606 nor Vibration Detection shows ads.

### Which is updated more often, explainISO9606 or Vibration Detection?

explainISO9606 ships an update every 4 months, and Vibration Detection every 10 months. Most recently, explainISO9606 was updated on July 25, 2026 and Vibration Detection on September 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.*