# Old PDF Reader vs ng

The clearest difference is update cadence: ng at every 10 days against Old PDF Reader's every 24 months. Old PDF Reader's advantage is iOS requirement (7.1 vs 26.0). 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.

Old PDF Reader ships an update every 24 months, ng every 10 days. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Old PDF Reader | ng |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/old-pdf-reader/id507624100/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 48 MB | 27 MB |
| Requires iOS | **7.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [STUDIO SHIN](https://appshunter.io/developer/300665413) | [Daniel Nordgren](https://appshunter.io/developer/1861870521) |

## What reviewers say

### Old PDF Reader

[App page](https://appshunter.io/ios/app/old-pdf-reader/id507624100)

Easily browse and view your PDF documents. Adjust the display style in six stages for comfortable reading. Import PDFs directly from your device's share function.

**Highlights:** PDF document browsing, Adjustable display style, Import from share button, Document list management, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


### ng

[App page](https://appshunter.io/ios/app/ng-audio/id6757358134)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Old PDF Reader free?

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

### Is ng free?

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

### Do Old PDF Reader or ng have ads?

Neither Old PDF Reader nor ng shows ads.

### Which is updated more often, Old PDF Reader or ng?

Old PDF Reader ships an update every 24 months, and ng every 10 days. Most recently, Old PDF Reader was updated on October 2, 2026 and ng on October 1, 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.*