# PDF Reader vs AIRDcar

The clearest difference is ads: AIRDcar at none against PDF Reader's shown. AIRDcar also leads on update cadence (monthly vs every 113 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 113 months, AIRDcar monthly. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | PDF Reader | AIRDcar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 113 months | **Monthly** |
| Size | 9 MB | 89 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aishvarya Sadasivam](https://appshunter.io/developer/1062048241) | [Shenzhen iStarVideo Technology Co., Limited](https://appshunter.io/developer/1456239265) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-view/id1084658552)

**Features:** macOS Compatibility

**In-app purchases:** none


### AIRDcar

[App page](https://appshunter.io/ios/app/airdcar/id6741785212)

**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 AIRDcar free?

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

### Do PDF Reader or AIRDcar have ads?

PDF Reader shows ads; AIRDcar does not.

### Which is updated more often, PDF Reader or AIRDcar?

PDF Reader ships an update every 113 months, and AIRDcar monthly. Most recently, PDF Reader was updated on September 14, 2026 and AIRDcar on September 9, 2026.

---

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