# Workstair vs Dark Reader

The clearest difference is in-app purchases: Workstair at none against Dark Reader's 2. Dark Reader's advantage is update cadence (every 2 months vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Dark Reader sells 2 in-app purchases, starting at $4.99 per year. Workstair asks for nothing beyond the download.

Workstair ships an update every 8 months, Dark Reader every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Workstair | Dark Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (8 ratings)](https://appshunter.io/ios/app/dark-reader-pdf-viewer/id6736392716/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 30.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 33 MB | 67 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CEROEN INFORMATION TECHNOLOGY NETWORK SERVICES](https://appshunter.io/developer/1669420393) | [Utsav Mangla](https://appshunter.io/developer/1729995457) |

## What reviewers say

### Workstair

[App page](https://appshunter.io/ios/app/workstair/id6670244592)

**In-app purchases:** none


### Dark Reader

[App page](https://appshunter.io/ios/app/dark-reader-pdf-viewer/id6736392716)

Easily read PDF documents in a comfortable dark mode to reduce eye strain and save battery. This app automatically converts any PDF into a dark theme for a better reading experience on your devices.

**Highlights:** PDF dark mode conversion, Automatic dark mode application, All-in-one PDF viewer, Eye comfort focus, Supports iPhone, iPad, macOS

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual | $4.99 | per year |
| Lifetime: Buy once Use forever | $5.99 | one-time |


## Frequently asked questions

### Is Workstair free?

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

### Is Dark Reader free?

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

### Do Workstair or Dark Reader have ads?

Neither Workstair nor Dark Reader shows ads.

### Which is updated more often, Workstair or Dark Reader?

Workstair ships an update every 8 months, and Dark Reader every 2 months. Most recently, Workstair was updated on October 27, 2026 and Dark Reader 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.*