# MRV Obras Qr vs ProofNook

The clearest difference is in-app purchases: MRV Obras Qr at none against ProofNook's 2. MRV Obras Qr also leads on device support (3 vs 1) and iOS requirement (9.2 vs 26.0). ProofNook's advantage is update cadence (every 3 weeks vs every 5 months). On price and ads there is nothing between them.

Both are free to download. ProofNook sells 2 one-off in-app purchases. MRV Obras Qr asks for nothing beyond the download.

MRV Obras Qr ships an update every 5 months, ProofNook every 3 weeks. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | MRV Obras Qr | ProofNook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 133 MB | 8 MB |
| Requires iOS | **9.2** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MRV Engenharia e Participacoes SA](https://appshunter.io/developer/1169558064) | [Anton Kryuchykau](https://appshunter.io/developer/1893493143) |

## What reviewers say

### MRV Obras Qr

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

**Features:** macOS Compatibility

**In-app purchases:** none


### ProofNook

[App page](https://appshunter.io/ios/app/proofnook-inspection-reports/id6762236026)

Streamline property inspections with this app. Easily organize properties, document issues with photos and notes, and generate professional PDF reports quickly. Designed for contractors, maintenance teams, and property managers.

**Highlights:** Organize properties, Create detailed inspection reports, Add photos and notes, Collect signatures, Export professional PDF reports, iCloud sync support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $14.99 | one-time |
| Full | $14.99 | one-time |


## Frequently asked questions

### Is MRV Obras Qr free?

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

### Is ProofNook free?

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

### Do MRV Obras Qr or ProofNook have ads?

Neither MRV Obras Qr nor ProofNook shows ads.

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

MRV Obras Qr ships an update every 5 months, and ProofNook every 3 weeks. Most recently, MRV Obras Qr was updated on October 20, 2026 and ProofNook on October 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*