# Ebook Reader Pro vs Ki

The clearest difference is review sentiment: Ki at 100% against Ebook Reader Pro's 38%. Ki also leads on price (Free vs $5.99) and rating (5.0 vs 2.0). Ebook Reader Pro's advantage is in-app purchases (none vs 1) and device support (4 vs 2). On ratings volume and ads there is nothing between them.

Ki is free to download; Ebook Reader Pro costs $5.99 up front. Ki sells 1 one-off in-app purchase. Ebook Reader Pro asks for nothing beyond the download.

Ki holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 38% of Ebook Reader Pro's written reviews are positive against 100% of Ki's.

Ebook Reader Pro ships an update every 4 days, Ki every 2 days. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Ebook Reader Pro | Ki |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/ebook-reader-pro/id1505158572/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ki-note/id6761021371/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 37.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Paid | **Free** |
| Size | 38 MB | 4 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [群群 刘](https://appshunter.io/developer/687318257) | [Juan Casanueva](https://appshunter.io/developer/427769040) |

## What reviewers say

### Ebook Reader Pro

[App page](https://appshunter.io/ios/app/ebook-reader-pro/id1505158572)

This application provides a fast and reliable way to read various document formats on iOS and Mac. It offers features like zoom, bookmarking, text selection, and search capabilities for an enhanced reading experience.

**Highlights:** Supports PDF, ePub, FB2, XPS, DjVu, CBZ, CBR, Pinch to zoom and smart zoom, Bookmark management, Table of contents support, Selectable and searchable text, Brightness adjustment, Document sharing and printing

**Features:** Vision Pro support

**In-app purchases:** none


### Ki

[App page](https://appshunter.io/ios/app/ki-note/id6761021371)

Capture, organize, and connect all your learning in one place. This app allows you to save notes, links, code snippets, and ideas, then link them together to build a web of knowledge. Find anything fast with full-text search and visual knowledge graphs.

**Highlights:** Capture notes, links, quotes, code snippets, and ideas, Organize with color-coded tags and custom topics, Connect notes with bidirectional linking, Visualize knowledge with interactive graphs, Full-text search and saved searches, Quick capture via floating button and widgets, Review workflow for managing notes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |


## Frequently asked questions

### Is Ebook Reader Pro free?

Ebook Reader Pro costs $5.99, with no in-app purchases.

### Is Ki free?

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

### Which has better reviews, Ebook Reader Pro or Ki?

Ki is rated higher. Ebook Reader Pro averages 2.0 out of 5 from 1 ratings, while Ki averages 5.0 from 2 ratings.

### Do Ebook Reader Pro or Ki have ads?

Neither Ebook Reader Pro nor Ki shows ads.

### Which is updated more often, Ebook Reader Pro or Ki?

Ebook Reader Pro ships an update every 4 days, and Ki every 2 days. Most recently, Ebook Reader Pro was updated on October 19, 2026 and Ki on October 18, 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.*