# Cerberos — CBR/CBZ to Optimized PDF

> CBR/CBZ to Optimized PDF (iPhone/iPad app by Miguel Vanhove.)

- Source: https://appshunter.io/ios/app/cerberos/id6754533019 (this page in markdown: same URL + `.md`)
- Developer: [Miguel Vanhove](https://appshunter.io/developer/317808074)
- Category: Books, Productivity
- Price: Free with in-app purchases (on sale, was $8.99)
- Age rating: 4+
- Requires: iOS 17.6 · 5 MB
- Languages: American English
- Released: 2025-10-29
- Data updated: 2026-08-16
- User reviews in markdown: https://appshunter.io/ios/app/cerberos/id6754533019/reviews.md

## What is Cerberos?

Convert your comics into optimized PDFs for your e-reader.

Cerberos transforms your CBR, CBZ, and PDF files into perfectly optimized PDFs for e-readers and tablets. It’s the most convenient way to prepare and share your comics directly with your favorite eBook reader app.

Key Features
	•	Convert CBR, CBZ, and PDF files into lightweight, high-quality PDFs
	•	Ready-to-use profiles for Kindle Paperwhite, Kindle Colorsoft, iPad, and iPhone
	•	Adjustable JPEG compression and PNG export options
	•	Monochrome and 4-bit color reduction for e-ink devices
	•	Automatic trimming, rotation, and contrast optimization
	•	Split double pages, resize to fit, or preserve original proportions
	•	Quick Testing Mode to preview settings on the first pages
	•	Save custom configurations as reusable profiles

Why Cerberos
Cerberos gives you professional-grade control with a simple interface. Whether you read on Kindle, Kobo, or iPad, you can easily create and share perfectly tuned PDFs for your device in seconds.

Supported Formats
CBR, CBZ, and PDF → Optimized PDF

EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium - Yearly | $2.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium - Lifetime Access | $8.99 | one-time |



## Version history (last 2 releases)

### 1.1 — 2025-11-05

freemium

### 1.0 — 2025-10-29

No release notes.

## Apps similar to Cerberos

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Comiglot Reader](https://appshunter.io/ios/app/comiglot-reader/id6781854786) | — | Free | Books |
| [Comic Archive to EPUB](https://appshunter.io/ios/app/comic-archive-to-epub/id6759133266) | — | Free | Books |
| [wComics](https://appshunter.io/ios/app/wcomics/id6476523177) | — | Free | Books |
| [ComicShelf Reader](https://appshunter.io/ios/app/comicshelf-reader/id6781883679) | 5.0 (1) | Free | Books |
| [Lenticule: Comic Book Reader](https://appshunter.io/ios/app/lenticule-comic-book-reader/id6760845293) | 5.0 (1) | Free | Books |
| [Penguin Viewer: Manga Reader](https://appshunter.io/ios/app/penguin-viewer-manga-reader/id6780071705) | 5.0 (1) | Free | Books |

## More apps by Miguel Vanhove

- [BioPocket](https://appshunter.io/ios/app/biopocket/id454934974)
- [KyPass - KeePass in Sync](https://appshunter.io/ios/app/kypass-keepass-in-sync/id1258708743)

All apps by Miguel Vanhove: https://appshunter.io/developer/317808074

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-16.*