Markdown Viewer vs Folio
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Markdown Viewer
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You spot a line worth fixing, but explaining which file and which section to an AI takes longer than the fix itself. Markdown Viewer removes that step. Select the text and tap copy. Then paste it into your AI chat. Three steps 1. Open a Markdown file from Files or iCloud Drive 2. Long-press to select the text you want to change 3. Tap copy in the lower right, then paste into an AI chat It copies more than the text Your selection arrives with its file name and heading trail attached. Here is what actually lands on your clipboard. File name: docs/current/plan.md Headings: Chapter 3 > Setup steps Selected text: """ An administrator handles the initial setup, and members join from an invite link. """ The AI sees which file, which section, and which sentence in a single paste. No more writing out where the text came from. Set the path yourself Tap the file name to enter any relative path. Something like docs/current/plan.md helps an AI pin down the target. Features ⢠Markdown rendering with headings, tables, code blocks, and checklists ⢠Text selection with context-rich copy ⢠Open from Files, iCloud Drive, pasted text, or a sample document ⢠Copy a code block on its own ⢠Custom relative paths ⢠Light and dark themes ⢠Japanese and English, following your device language ⢠VoiceOver and Dynamic Type support Good for ⢠Reading back specs and notes written with an AI while you are out ⢠Sending a fix to your AI the moment you notice it ⢠Lining up edits before you get back to your desk ⢠Reading Markdown from iCloud Drive in a clean layout Not included ⢠Editing, saving, or exporting Markdown ⢠Writing back to the original file ⢠Automatic sending to an AI (it copies to your clipboard) ⢠Accounts, sync, or direct cloud service connections Focused on reading and handing text to an AI. Light and simple. Not saved Your document, selections, copied text, and recent files are never stored. Everything runs on your device. No ads, no analytics. Requirements iPhone running iOS 17 or later. Supports .md and .markdown files in UTF-8, up to 1 MB.
Folio
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Folio is a personal workspace for the things you want to remember, make, and get done. CAPTURE YOUR THOUGHTS Write notes, organize them into notebooks, pin favorites, and build checklists. KEEP DOCUMENTS CLOSE Scan documents into editable text while keeping the original attached. Read PDFs, highlight passages, and keep linked notes alongside the source. MAKE ROOM TO DRAW Sketch on a canvas, choose colors and drawing tools, and export your work. PLAN YOUR EVERYDAY Organize tasks, keep shopping lists with totals, and collect useful information in your workspace. YOUR PERSONAL WORKSPACE Folio stores your content locally and requires no account. Export and share a copy when you choose. Optional calendar, map, and reminder features use Apple system services.
Screenshots
Verdict
The clearest difference is update cadence: Folio at daily against Markdown Viewer's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Markdown Viewer ships an update every 5 days, Folio daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | Markdown Viewer | Folio |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | Daily ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 ā better | 18.0 |
| Further details ā not scored | ||
| Size | 1 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Yusuke Yamamoto | Nagarjuna Reddy Bhimavarapu |
In-app purchases
Markdown Viewer
No in-app purchases
Folio
No in-app purchases







