# WITMOTION vs CorroScan

The clearest difference is in-app purchases: WITMOTION at none against CorroScan's 2. WITMOTION also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). CorroScan's advantage is update cadence (every 2 days vs every 2 weeks). On price and ads there is nothing between them.

Both are free to download. CorroScan sells 2 in-app purchases, starting at $14.99 per month. WITMOTION asks for nothing beyond the download.

WITMOTION ships an update every 2 weeks, CorroScan every 2 days. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | WITMOTION | CorroScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (10 ratings)](https://appshunter.io/ios/app/witmotion/id6466998150/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 33 MB | 27 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [WitMotion Shenzhen Co.,Ltd](https://appshunter.io/developer/1509593957) | [OFO Tech](https://appshunter.io/developer/1435806692) |

## What reviewers say

### WITMOTION

[App page](https://appshunter.io/ios/app/witmotion/id6466998150)

This app provides convenient sensor data display and configuration for tilt sensors. It offers real-time data, visual charts, 3D angle display, and data recording for analysis.

**Highlights:** Real-time tilt sensor data display, Sensor configuration (sample rate, sensitivity), Visual chart tools (curve, scatter plots), 3D angle display, User-friendly interface, Data recording and export

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

**In-app purchases:** none


### CorroScan

[App page](https://appshunter.io/ios/app/corroscan/id6789752647)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CorroScan Pro | $14.99 | per month |
| CorroScan Pro (Annual) | $149.00 | per year |


## Frequently asked questions

### Is WITMOTION free?

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

### Is CorroScan free?

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

### Do WITMOTION or CorroScan have ads?

Neither WITMOTION nor CorroScan shows ads.

### Which is updated more often, WITMOTION or CorroScan?

WITMOTION ships an update every 2 weeks, and CorroScan every 2 days. Most recently, WITMOTION was updated on September 26, 2026 and CorroScan on September 25, 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.*