--- title: "iSilo — App Overview" url: https://marlvel.ai/apps/isilo category: Productivity developer: DC & Co. platforms: ios rating: N/A (0 ratings) pricing: paid report_level: overview generated: 2026-05-10 last_verified: "2026-05-10T00:11:50.707Z" --- > **Key Insight:** iSilo is a niche document reader focused on providing a highly customizable reading environment for specific legacy and text-based file formats. | Metric | Value | |--------|-------| | Category | Productivity | | Rating | N/A ★ (0) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 6.20.5 | | Developer | DC & Co. | ## What is iSilo? iSilo is a document reader designed for viewing iSilo, Palm Doc, and plain text files. It distinguishes itself by offering a library of over 45,000 optimized ebooks and robust navigation tools for long-form reading. ## Key Features - **Document Compatibility**: Supports viewing of iSilo, Palm Doc, and plain text file formats. - **Customizable Reading Experience**: Allows users to adjust font size, typeface, and color themes, including background and text color selection. - **Navigation and Annotation**: Includes jump history for hyperlinks, bookmarking, text search, and the ability to copy or annotate text with comments. - **Reading Automation**: Features an autoscroll function with adjustable speed and a full-screen viewing mode. ## Who is it for? Users who require a specialized reader for legacy document formats and large ebook collections. ## Links - [App Store](https://apps.apple.com/us/app/isilo/id960070612?mt=12&uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/isilo) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/isilo).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*