# N+Motion vs Seismometer+

The clearest difference is rating: N+Motion at 5.0 against Seismometer+'s 4.5. N+Motion also leads on ads (none vs shown) and monetization model (free vs ad-supported). Seismometer+'s advantage is ratings volume (82 vs 1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

N+Motion holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Seismometer+ has 82 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | N+Motion | Seismometer+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/n-plus-motion/id689068119/reviews)** | [4.5 (82 ratings)](https://appshunter.io/ios/app/seismometer-plus/id6739265160/reviews) |
| Number of ratings | 1 | **82** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | — |
| Monetization | **Free** | Ad-supported |
| Size | 11 MB | 3 MB |
| Requires iOS | **8.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Variable Technologies LLC](https://appshunter.io/developer/569541572) | [UniCom Technology](https://appshunter.io/developer/1270764210) |

## What reviewers say

### N+Motion

[App page](https://appshunter.io/ios/app/n-plus-motion/id689068119)

This application captures and digitizes real-world motion using a 9DOF IMU sensor. It's designed for applications in fitness, logistics, vibration analysis, and gaming, providing accurate orientation and movement data.

**Highlights:** Measures nine degrees of motion, 9DOF IMU sensor, 3-axis gyroscope, accelerometer, magnetometer, Accurate orientation and movement tracking, Mobile sensing capabilities

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is N+Motion free?

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

### Is Seismometer+ free?

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

### Which has better reviews, N+Motion or Seismometer+?

N+Motion is rated higher. N+Motion averages 5.0 out of 5 from 1 ratings, while Seismometer+ averages 4.5 from 82 ratings.

### Do N+Motion or Seismometer+ have ads?

Seismometer+ shows ads; N+Motion 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.*