# N+Motion vs Accelerometer ∞

The clearest difference is rating: N+Motion at 5.0 against Accelerometer ∞'s 4.3. N+Motion also leads on in-app purchases (none vs 2) and ads (none vs shown). Accelerometer ∞'s advantage is ratings volume (65 vs 1) and update cadence (every 2 weeks vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. Accelerometer ∞ sells 2 in-app purchases, starting at $1.99 per month. N+Motion asks for nothing beyond the download.

N+Motion holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Accelerometer ∞ has 65 ratings behind it against 1, so its average is the more settled of the two.

N+Motion ships an update every 6 weeks, Accelerometer ∞ every 2 weeks. The most recent releases landed on September 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | N+Motion | Accelerometer ∞ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/n-plus-motion/id689068119/reviews)** | [4.3 (65 ratings)](https://appshunter.io/ios/app/accelerometer/id6621273087/reviews) |
| Number of ratings | 1 | **65** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 16 MB |
| Requires iOS | **8.4** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Variable Technologies LLC](https://appshunter.io/developer/569541572) | [Fawkes Wei](https://appshunter.io/developer/432767536) |

## 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


### Accelerometer ∞

[App page](https://appshunter.io/ios/app/accelerometer/id6621273087)

Visualize device motion data in real-time with dynamic graphs. Analyze sensor information, calibrate your device, and explore various possibilities. This utility app offers a unique perspective on your device's movement.

**Highlights:** Real-time motion data visualization, Stunning graph displays, Sensor calibration, Data analysis, Explore endless possibilities

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is N+Motion free?

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

### Is Accelerometer ∞ free?

Accelerometer ∞ is free to download, with in-app purchases available.

### Which has better reviews, N+Motion or Accelerometer ∞?

N+Motion is rated higher. N+Motion averages 5.0 out of 5 from 1 ratings, while Accelerometer ∞ averages 4.3 from 65 ratings.

### Do N+Motion or Accelerometer ∞ have ads?

Accelerometer ∞ shows ads; N+Motion does not.

### Which is updated more often, N+Motion or Accelerometer ∞?

N+Motion ships an update every 6 weeks, and Accelerometer ∞ every 2 weeks. Most recently, N+Motion was updated on September 17, 2026 and Accelerometer ∞ on October 11, 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.*