# Accelerometer vs Wangchan Valley

The clearest difference is in-app purchases: Wangchan Valley at none against Accelerometer's 1. Wangchan Valley also leads on update cadence (every 2 months vs every 5 months) and iOS requirement (11.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Accelerometer sells 1 one-off in-app purchase. Wangchan Valley asks for nothing beyond the download.

Accelerometer ships an update every 5 months, Wangchan Valley every 2 months. The most recent releases landed on June 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Accelerometer | Wangchan Valley |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/accelerometer-g-force-meter/id499629589/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 53.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 48 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Jan Halozan](https://appshunter.io/developer/482137824) | [PTT Public Company Limited](https://appshunter.io/developer/1483886371) |

## What reviewers say

### Accelerometer

[App page](https://appshunter.io/ios/app/accelerometer-g-force-meter/id499629589)

Transform your device into a precise 3-axis accelerometer. Monitor live acceleration and G-force readings, record motion data, and export it in various formats for detailed analysis. Ideal for experiments, testing, and engineering.

**Highlights:** Realtime X/Y/Z acceleration, G-force measurement, Record motion sessions, CSV/JSON/XML export, Adjustable sample rate, Max/Min tracking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Accelerometer Pro | $1.99 | one-time |


### Wangchan Valley

[App page](https://appshunter.io/ios/app/wangchan-valley/id1560127148)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Accelerometer free?

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

### Is Wangchan Valley free?

Wangchan Valley is free to download, with no in-app purchases.

### Do Accelerometer or Wangchan Valley have ads?

Neither Accelerometer nor Wangchan Valley shows ads.

### Which is updated more often, Accelerometer or Wangchan Valley?

Accelerometer ships an update every 5 months, and Wangchan Valley every 2 months. Most recently, Accelerometer was updated on June 9, 2026 and Wangchan Valley on September 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*