# Seismometer+ vs MeterWorks Vibrometer

The clearest difference is in-app purchases: Seismometer+ at none against MeterWorks Vibrometer's 1. Seismometer+ also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). MeterWorks Vibrometer's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. MeterWorks Vibrometer sells 1 one-off in-app purchase. Seismometer+ asks for nothing beyond the download.

## The numbers

| Metric | Seismometer+ | MeterWorks Vibrometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (90 ratings)](https://appshunter.io/ios/app/seismometer-plus/id6739265160/reviews)** | — |
| Number of ratings | **90** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 weeks |
| Monetization | Ad-supported | — |
| Size | 3 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [UniCom Technology](https://appshunter.io/developer/1270764210) | [Emil Deak](https://appshunter.io/developer/1883312248) |

## What reviewers say

### Seismometer+

[App page](https://appshunter.io/ios/app/seismometer-plus/id6739265160)

Transform your device into a powerful seismometer to measure and visualize vibrations in real time. Track tremors, analyze surface stability, and explore the unseen movements around you with intuitive graphical displays. Perfect for science enthusiasts and the curious.

**Highlights:** Real-time X, Y, Z axis acceleration graphs, Cumulative vibration intensity analysis, Adjustable long-term data recording intervals, Dark mode display, Customizable graph update rates and sensitivity

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

**In-app purchases:** none


### MeterWorks Vibrometer

[App page](https://appshunter.io/ios/app/meterworks-vibrometer/id6779408803)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MessWerk Pro | $7.99 | one-time |


## Frequently asked questions

### Is Seismometer+ free?

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

### Is MeterWorks Vibrometer free?

MeterWorks Vibrometer is free to download, with in-app purchases available.

### Do Seismometer+ or MeterWorks Vibrometer have ads?

Seismometer+ shows ads; MeterWorks Vibrometer does not.

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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.*