# Grooz QR vs DuoIoT

The clearest difference is in-app purchases: DuoIoT at none against Grooz QR's 3. DuoIoT also leads on ads (none vs shown) and update cadence (weekly vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Grooz QR sells 3 in-app purchases, starting at $2.99 per 7 days. DuoIoT asks for nothing beyond the download.

Grooz QR ships an update every 5 weeks, DuoIoT weekly. The most recent releases landed on October 25, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Grooz QR | DuoIoT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/duoiot/id6474174065/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | — | Free |
| Size | 113 MB | 41 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [EYWIN BILGI TEKNOLOJILERI ANONIM SIRKETI](https://appshunter.io/developer/1492105189) | [Shenzhen Dualmi Technology Co., Ltd.](https://appshunter.io/developer/1719044980) |

## What reviewers say

### Grooz QR

[App page](https://appshunter.io/ios/app/grooz-qr-scan-barcode/id6451473056)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grooz QR Premium Weekly | $2.99 | per 7 days |
| Grooz QR Premium | $6.99 | per month |
| Grooz QR Premium Annual | $29.99 | per year |


### DuoIoT

[App page](https://appshunter.io/ios/app/duoiot/id6474174065)

Real-time GPS tracking for vehicles, equipment, and assets. Monitor locations, review trip history, and set up custom alerts for important areas. Secure and reliable asset management.

**Highlights:** Real-time GPS tracking, Vehicle and equipment monitoring, Historical trip playback, Interactive map view, Geofence creation, Customizable alerts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Grooz QR free?

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

### Is DuoIoT free?

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

### Do Grooz QR or DuoIoT have ads?

Grooz QR shows ads; DuoIoT does not.

### Which is updated more often, Grooz QR or DuoIoT?

Grooz QR ships an update every 5 weeks, and DuoIoT weekly. Most recently, Grooz QR was updated on October 25, 2026 and DuoIoT on November 4, 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.*