# iSilo free

> Document reader for various formats with extensive viewing and management features. (iPhone/iPad app by DC & Co..)

- Source: https://appshunter.io/ios/app/isilo-free/id1006521923 (this page in markdown: same URL + `.md`)
- Developer: [DC & Co.](https://appshunter.io/developer/284947607)
- Category: Productivity, Reference
- Price: Free
- Rating: 3.00/5 from 2 App Store ratings · 8 written reviews indexed
- Age rating: 17+
- Requires: iOS 7.0 · 9 MB
- Languages: American English, European Spanish, European Portuguese, Chinese (Traditional, Taiwan), Chinese (Simplified, China), French (France)
- Released: 2015-07-10
- Data updated: 2026-08-17
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/isilo-free/id1006521923/reviews.md

## What is iSilo free?

Document reader for viewing document files in iSilo, Palm Doc, and plain text format.

Bonus: Get the complete edition of the CIA World Factbook for free, with layout optimized for viewing on your iPhone, iPod touch, or iPad using iSilo.  In addition to full information for all the countries of the world, the complete edition contains appendixes, reference maps, field cross-reference links, rank order pages, country profiles for all fields, enlarged flag pages with descriptions, enlarged country maps, and more.

Tens of thousands of documents, eBooks, reference works, non-fiction, fiction available for ready download through the iSilo library.  Create your own documents too.

Document list provides recently viewed list of documents, ability to categorize documents into single or multiple categories, marking of favorite folders for easy access, and file explorer access to entire document directory with document file management operations, such as copying/moving/deleting/renaming document files and creating/deleting/renaming folders.

Document viewing options provide for font size and typeface selection, along with customizable color themes with selectable background and text colors.  Autoscroll with adjustable speed, view documents in full screen, complete support for both portrait and landscape orientations and rotation.  Jump history for easily navigating back and forth when following hyperlinks and jumping to different locations in the document.  Documents open to last viewed location. Bookmarks.  Document text search.

Select a range of text to copy or annotate it with a comment and choice of color highlighting.

Easily transfer documents to your device via USB, via Wi-Fi by connecting to iSilo's built-in file server from your computer, or via download from the Web.

Configure the screen to perform actions when tapped. Assignable actions include scrolling, full screen mode, font sizing, among many others.

View additional file types. Additional image file types include .jpg, .png, .gif, .tif, among others. Additional document file types include .pdf, .htm, Word (.doc, .docx), Excel (.xls, .xlsx), and PowerPoint (.ppt, .pptx). See the manual for more details on the additional file type support.

This version displays ads.

## Key features

- Supports iSilo, Palm Doc, and plain text formats
- Extensive document viewing customization
- File management and organization
- Wi-Fi and USB document transfer
- Text search and annotation
- Supports additional file types like PDF and Word

## Recent user reviews (8 of 8)

All indexed reviews: https://appshunter.io/ios/app/isilo-free/id1006521923/reviews.md

### 5/5 — 请更新

*2026-04-24*

苹果 17，下载后，pdb 文件无法发送到 app 里，发送后不显示。请帮忙解决，谢谢

### 5/5 — iOS26系统以后文件导入不了，可以用爱思助手导入使用

*2025-10-11*

不用谢

### 5/5 — iOS26无法导入文件

*2025-10-02*

完蛋，卸载之后之前的书也不能看了

### 5/5 — 无法高亮文档无法复制文档

*2024-12-09*

目前版本为ISO18，出现无法高亮、复制等问题，请问能否修复更新？

### 4/5 — 闪退

*2022-02-14*

Ios14，闪退

### 5/5 — Отзыв

*2018-01-19*

Отличное приложение, спасибо!

### 4/5 — 曾是PPC上最爱的阅读器。

*2016-11-01*

没想连个全屏都不能，看书界面配色不全，缺了灰和黑，失望。

### 5/5 — 我等到花儿也谢了

*2016-06-27*

十年了，终于来了！

## Frequently asked questions about iSilo free

### Does iSilo free have ads?

The description states that this version displays ads. Therefore, users can expect advertisements while using iSilo free.

### What document formats does iSilo free support?

iSilo free supports iSilo, Palm Doc, and plain text formats. It also supports additional file types including PDF, .htm, Word (.doc, .docx), Excel (.xls, .xlsx), and PowerPoint (.ppt, .pptx).

### How can I transfer documents to iSilo free?

Documents can be easily transferred to your device via USB, via Wi-Fi by connecting to iSilo's built-in file server, or via download from the Web.

### Can I customize the reading experience in iSilo free?

Yes, iSilo free offers extensive customization options including font size and typeface selection, customizable color themes with selectable background and text colors, autoscroll with adjustable speed, and full-screen mode.

### What devices is iSilo free compatible with?

iSilo free is supported on iPhone, iPad, and iPod touch devices.

### How often is iSilo free updated?

The latest version, 6.20.5, was released on February 17, 2016. The app was originally released on July 10, 2015.

### What is the age rating for iSilo free?

iSilo free has an age rating of 17+, indicating it may contain content suitable for mature audiences.

### Does iSilo free allow text annotation?

Yes, you can select a range of text to copy or annotate it with a comment and choice of color highlighting.

## Version history (last 3 releases)

### 6.20.5 — 2016-02-17

This update from Apple will improve the functionality of this app. No new features are included.

Minor fixes for iOS 9

### 6.20.3 — 2015-07-27

Minor bug fix and performance enhancement.

### 6.20.2 — 2015-07-09

No release notes.

## More apps by DC & Co.

- [iSilo](https://appshunter.io/ios/app/isilo/id284979163)
- [Ace Typer](https://appshunter.io/ios/app/ace-typer/id963937954)
- [Trends watch](https://appshunter.io/ios/app/trends-watch/id991942874)
- [It's Raining Cats and Dogs](https://appshunter.io/ios/app/its-raining-cats-and-dogs/id1035388628)
- [Battle for DC](https://appshunter.io/ios/app/battle-for-dc/id1046052136)

All apps by DC & Co.: https://appshunter.io/developer/284947607

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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 2026-08-17.*