# CrowdSense vs XQR Scan

The clearest difference is in-app purchases: CrowdSense at none against XQR Scan's 3. CrowdSense also leads on ads (none vs shown). XQR Scan's advantage is update cadence (every 10 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. XQR Scan sells 3 in-app purchases, starting at $4.99 per 7 days. CrowdSense asks for nothing beyond the download.

CrowdSense ships an update every 2 months, XQR Scan every 10 days. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | CrowdSense | XQR Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crowdsense/id930853606/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 2 MB | 25 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kleomenis Katevas](https://appshunter.io/developer/526742174) | [IINTERGO PTE. LTD.](https://appshunter.io/developer/1703199328) |

## What reviewers say

### CrowdSense

[App page](https://appshunter.io/ios/app/crowdsense/id930853606)

This app allows researchers to collect rich mobile sensor data from iOS devices for studies. It prioritizes user control and transparency, requiring explicit permission before activating any sensor. Data collected can be easily accessed and exported for analysis.

**Highlights:** Continuous sensing with rich mobile sensor data, User control and explicit sensor permission, Support for a wide range of device sensors, Easy data access and export, Secure data sharing and USB export, Built on open-source SensingKit framework

**In-app purchases:** none


### XQR Scan

[App page](https://appshunter.io/ios/app/xqr-scan-qr-code-reader/id6470271226)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Weekly VIP | $4.99 | per 7 days |
| Yearly VIP | $49.99 | per year |


## Frequently asked questions

### Is CrowdSense free?

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

### Is XQR Scan free?

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

### Do CrowdSense or XQR Scan have ads?

XQR Scan shows ads; CrowdSense does not.

### Which is updated more often, CrowdSense or XQR Scan?

CrowdSense ships an update every 2 months, and XQR Scan every 10 days. Most recently, CrowdSense was updated on September 10, 2026 and XQR Scan on September 14, 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.*