# iSilo vs Ebook Reader Pro

The clearest difference is rating: iSilo at 3.8 against Ebook Reader Pro's 2.0. iSilo also leads on ratings volume (50 vs 1) and review sentiment (51% vs 38%). Ebook Reader Pro's advantage is update cadence (every 4 days vs every 3 weeks) and price ($5.99 vs $9.99). On ads, in-app purchases and device support there is nothing between them.

iSilo costs $9.99 and Ebook Reader Pro $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iSilo holds the better App Store score, 3.8 against 2.0. That said, the two scores are not equally well evidenced: iSilo has 50 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 51% of iSilo's written reviews are positive against 38% of Ebook Reader Pro's.

iSilo ships an update every 3 weeks, Ebook Reader Pro every 4 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iSilo | Ebook Reader Pro |
| --- | --- | --- |
| Price | $9.99 | **$5.99** |
| Rating | **[3.8 (50 ratings)](https://appshunter.io/ios/app/isilo/id284979163/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/ebook-reader-pro/id1505158572/reviews) |
| Number of ratings | **50** | 1 |
| Positive reviews | **50.6% of reviews** | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | **Free** | Paid |
| Size | 13 MB | 38 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [DC & Co.](https://appshunter.io/developer/284947607) | [群群 刘](https://appshunter.io/developer/687318257) |

## What reviewers say

### iSilo

[App page](https://appshunter.io/ios/app/isilo/id284979163)

Read various document formats including iSilo, Palm Doc, and plain text. Access a vast library of content, organize your files, and customize viewing options for a personalized reading experience. Transfer documents easily via USB, Wi-Fi, or web download.

**Highlights:** Supports iSilo, Palm Doc, and plain text formats, Extensive document library and creation tools, Organize documents with categories and favorites, Customizable viewing options (font, colors, themes), Autoscroll, full-screen, and orientation support, Text search, copy, and annotation, Multiple document transfer methods (USB, Wi-Fi, Web)

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

**In-app purchases:** none

**What reviewers like**

- 💻 Works well with Christian books
- 📚 Excellent for reading documents with embedded hyperlinks
- ⚡ Fast and smooth on many devices
- 🙌 Hands down a life-saving app
- 🏆 Basic but wonderful functionality

**What reviewers complain about**

- 🐛 Crashes upon opening
- 🐛 Unable to download new material since 2017
- 🐛 Crashes when trying to open code-protected file
- 🐛 Scrolling issues and performance problems
- 🤖 Outdated and abandoned by developers

**Reported bugs**

- Crashes when trying to open certain file formats
- Displaying issues with Palm format (PDB) files
- Inability to download files from Dropbox
- Text going off-screen after recent updates
- Bookmarks and annotations not syncing across devices

**Requested features**

- Add dark mode feature
- Improve text highlighting and annotation capabilities
- Implement cloud sync and cross-device support
- Modernize the user interface
- Add support for iOS Files app


### 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


## Frequently asked questions

### Is iSilo free?

iSilo costs $9.99, with no in-app purchases.

### Is Ebook Reader Pro free?

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

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

iSilo is rated higher. iSilo averages 3.8 out of 5 from 50 ratings, while Ebook Reader Pro averages 2.0 from 1 ratings.

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

Neither iSilo nor Ebook Reader Pro shows ads.

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

iSilo ships an update every 3 weeks, and Ebook Reader Pro every 4 days. Most recently, iSilo was updated on October 27, 2026 and Ebook Reader Pro 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.*