# Cover Master Pro — Crop & Optimize Epub Covers

> Crop & Optimize Epub Covers (iPhone/iPad app by 千洋 黄.)

- Source: https://appshunter.io/ios/app/cover-master-pro/id6756807519 (this page in markdown: same URL + `.md`)
- Developer: [千洋 黄](https://appshunter.io/developer/1862966590)
- Category: Utilities, Books
- Price: $3.99
- Age rating: 4+
- Requires: iOS 16.0 · 14 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2025-12-22
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/cover-master-pro/id6756807519/reviews.md

## What is Cover Master Pro?

Professional Epub Cover Editor
Tired of distorted or low-quality book covers on your Kindle or Apple Books? Cover Master is designed for perfectionist readers.

Key Features:
1. Precision Cropping: Support for 2:3, 3:4, 9:16, and Custom ratios.
2. Privacy First: All processing is 100% local. No data ever leaves your device. 
3. High Quality: Export high-resolution covers for any Retina display.


## Version history (last 2 releases)

### 1.0.1 — 2025-12-27

Supported on iOS 16、iOS17 and iOS18.

### 1.0 — 2025-12-22

No release notes.

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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 2026-05-17.*