# MSensor vs Qorrect

The clearest difference is in-app purchases: MSensor at none against Qorrect's 1. MSensor also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). Qorrect's advantage is update cadence (every 3 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Qorrect sells 1 one-off in-app purchase. MSensor asks for nothing beyond the download.

MSensor ships an update every 2 months, Qorrect every 3 weeks. The most recent releases landed on September 10, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | MSensor | Qorrect |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 17 MB | 6 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Minew Technologies Co.,Ltd.](https://appshunter.io/developer/1318127158) | [Qloud LTD](https://appshunter.io/developer/1800890345) |

## What reviewers say

### MSensor

[App page](https://appshunter.io/ios/app/msensor/id1483587079)

**Features:** macOS Compatibility

**In-app purchases:** none


### Qorrect

[App page](https://appshunter.io/ios/app/qorrect/id6744972508)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is MSensor free?

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

### Is Qorrect free?

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

### Do MSensor or Qorrect have ads?

Qorrect shows ads; MSensor does not.

### Which is updated more often, MSensor or Qorrect?

MSensor ships an update every 2 months, and Qorrect every 3 weeks. Most recently, MSensor was updated on September 10, 2026 and Qorrect on September 13, 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.*