# PhotoNAS vs UnitProof

The clearest difference is device support: PhotoNAS at 3 against UnitProof's 1. PhotoNAS also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

PhotoNAS ships an update every 3 weeks, UnitProof fortnightly. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PhotoNAS | UnitProof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/unitproof-landlord-checklist/id6793589771/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 94 MB | 14 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Feitianxia Technology Co, Ltd.](https://appshunter.io/developer/536103551) | [Paprika Tech LLC](https://appshunter.io/developer/1849782221) |

## What reviewers say

### PhotoNAS

[App page](https://appshunter.io/ios/app/photonas/id6483860754)

**Features:** macOS Compatibility

**In-app purchases:** none


### UnitProof

[App page](https://appshunter.io/ios/app/unitproof-landlord-checklist/id6793589771)

Streamline property inspections with voice-to-text notes and photo attachments. Generate professional PDF reports for move-in, move-out, and appraisals. Works offline and prioritizes user privacy.

**Highlights:** Voice-to-text notes, Photo attachments per room, Customizable room lists, Offline functionality, PDF report export, Move-in/Move-out templates

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

**In-app purchases:** none


## Frequently asked questions

### Is PhotoNAS free?

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

### Is UnitProof free?

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

### Do PhotoNAS or UnitProof have ads?

Neither PhotoNAS nor UnitProof shows ads.

### Which is updated more often, PhotoNAS or UnitProof?

PhotoNAS ships an update every 3 weeks, and UnitProof fortnightly. Most recently, PhotoNAS was updated on October 14, 2026 and UnitProof on October 24, 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.*