# LinkViewer vs CountDoun

The clearest difference is in-app purchases: CountDoun at none against LinkViewer's 2. CountDoun also leads on ads (none vs shown) and iOS requirement (15.1 vs 26.0). LinkViewer's advantage is update cadence (every 3 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. LinkViewer sells 2 in-app purchases, starting at $0.99 per month. CountDoun asks for nothing beyond the download.

LinkViewer ships an update every 3 weeks, CountDoun every 2 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | LinkViewer | CountDoun |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 25 MB | 40 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JeongYun Lee](https://appshunter.io/developer/1850426276) | [Faize Nur OZGON](https://appshunter.io/developer/6791207023) |

## What reviewers say

### LinkViewer

[App page](https://appshunter.io/ios/app/linkviewer-text-and-pdf-reader/id6760254716)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LinkViewer Pro Monthly | $0.99 | per month |
| LinkViewer Pro Yearly | $8.99 | per year |


### CountDoun

[App page](https://appshunter.io/ios/app/countdoun/id6791291771)

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

**In-app purchases:** none


## Frequently asked questions

### Is LinkViewer free?

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

### Is CountDoun free?

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

### Do LinkViewer or CountDoun have ads?

LinkViewer shows ads; CountDoun does not.

### Which is updated more often, LinkViewer or CountDoun?

LinkViewer ships an update every 3 weeks, and CountDoun every 2 months. Most recently, LinkViewer was updated on October 24, 2026 and CountDoun on October 8, 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.*