# MRV Obras Qr vs Ajuda Auditor

The clearest difference is update cadence: Ajuda Auditor at every 2 weeks against MRV Obras Qr's every 5 months. MRV Obras Qr's advantage is iOS requirement (9.2 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MRV Obras Qr ships an update every 5 months, Ajuda Auditor every 2 weeks. The most recent releases landed on October 26, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | MRV Obras Qr | Ajuda Auditor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Size | 133 MB | 43 MB |
| Requires iOS | **9.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 17+ |
| Developer | [MRV Engenharia e Participacoes SA](https://appshunter.io/developer/1169558064) | [Servicos e Informacoes do Brasil](https://appshunter.io/developer/1475781851) |

## What reviewers say

### MRV Obras Qr

[App page](https://appshunter.io/ios/app/mrv-obras-qr-code/id1327504118)

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

**In-app purchases:** none


### Ajuda Auditor

[App page](https://appshunter.io/ios/app/ajuda-auditor/id1485923138)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MRV Obras Qr free?

MRV Obras Qr is free to download, with no in-app purchases.

### Is Ajuda Auditor free?

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

### Do MRV Obras Qr or Ajuda Auditor have ads?

Neither MRV Obras Qr nor Ajuda Auditor shows ads.

### Which is updated more often, MRV Obras Qr or Ajuda Auditor?

MRV Obras Qr ships an update every 5 months, and Ajuda Auditor every 2 weeks. Most recently, MRV Obras Qr was updated on October 26, 2026 and Ajuda Auditor on October 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.*