# BookDay vs Star Document Reader

The clearest difference is update cadence: Star Document Reader at daily against BookDay's weekly. Star Document Reader also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

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

BookDay ships an update weekly, Star Document Reader daily. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | BookDay | Star Document Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Size | 4 MB | 41 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FUNDACAO PADRE LEONEL FRANCA](https://appshunter.io/developer/1566582123) | [Markus Stadi](https://appshunter.io/developer/1888545692) |

## What reviewers say

### BookDay

[App page](https://appshunter.io/ios/app/bookday/id1669909130)

**In-app purchases:** none


### Star Document Reader

[App page](https://appshunter.io/ios/app/star-document-reader/id6768236698)

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

**In-app purchases:** none


## Frequently asked questions

### Is BookDay free?

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

### Is Star Document Reader free?

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

### Do BookDay or Star Document Reader have ads?

Neither BookDay nor Star Document Reader shows ads.

### Which is updated more often, BookDay or Star Document Reader?

BookDay ships an update weekly, and Star Document Reader daily. Most recently, BookDay was updated on October 13, 2026 and Star Document Reader on October 15, 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.*