# PDF Reader vs NVR Mobile

The clearest difference is ads: NVR Mobile at none against PDF Reader's shown. NVR Mobile also leads on update cadence (fortnightly vs every 114 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

PDF Reader ships an update every 114 months, NVR Mobile fortnightly. The most recent releases landed on May 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | PDF Reader | NVR Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 114 months | **Fortnightly** |
| Size | 10 MB | 37 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ramalingam Sivaramakrishnan](https://appshunter.io/developer/892706271) | [surv](https://appshunter.io/developer/1253343082) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader/id1084685959)

**Features:** macOS Compatibility

**In-app purchases:** none


### NVR Mobile

[App page](https://appshunter.io/ios/app/nvr-mobile/id6743542889)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is NVR Mobile free?

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

### Do PDF Reader or NVR Mobile have ads?

PDF Reader shows ads; NVR Mobile does not.

### Which is updated more often, PDF Reader or NVR Mobile?

PDF Reader ships an update every 114 months, and NVR Mobile fortnightly. Most recently, PDF Reader was updated on May 17, 2026 and NVR Mobile on September 9, 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.*