Comparison

Markdown Editor & Reader vs PostOnce Ai

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Markdown Editor & Reader

This app allows you to open, read, edit, and share Markdown files. It offers beautiful rendering, multiple themes, and export options to PDF and HTML, all while working completely offline.

Highlights
  • Beautiful Markdown rendering
  • Offline editing and reading
  • Export to PDF, HTML, DOC
  • Customizable themes
  • Table of Contents generation
  • File organization
Features
Read full description

Open, read, edit and share Markdown — beautifully. MD Preview is an all-in-one Markdown workspace for iPhone and iPad. Open Markdown files from Files, iCloud Drive, Mail or your favorite apps. Read beautifully rendered documents, edit when needed, browse GitHub READMEs, and export polished documents to PDF, HTML or DOC — all completely offline. Whether you're reviewing a README, editing technical documentation, writing notes, or preparing documents to share, MD Preview gives you everything you need in one clean, native experience. KEY FEATURES • Beautiful rendering — GitHub-flavored Markdown with proper typography, syntax-highlighted code blocks, tables, blockquotes and footnotes. • Two views, one tap — toggle between rendered preview and raw source mode. Source view supports text selection. • Table of Contents — auto-generated from headings; tap to jump anywhere in long documents. • 9 hand-crafted themes — Parchment (warm cream), Eclipse (deep navy), Woodland (mossy green), Blossom (soft pink), Tide (deep sea), Iris (vivid violet), Sunlit (cream amber), Nocturne (inky violet), Glacier (frosted slate). Light and dark variants. • Folders & recents — organize your markdown files into custom folders with icons and colors. Recently opened files reappear on home for one-tap access. • Smart export — generate a print-ready PDF with your chosen theme baked in. Share the original file, or copy the markdown to clipboard. • Font controls — adjust reading size for tired eyes or small screens. • Fully offline — no servers, no tracking, no signup. Your files stay on your device. • Native iOS feel — built with SwiftUI for iPhone and iPad. Supports light/dark mode, dynamic type, and the share sheet. PERFECT FOR • Reading READMEs from GitHub or local repos • Reviewing technical specs and documentation • Reading novels and notes written in Markdown • Sharing rendered docs with non-technical teammates • Exporting handouts as PDFs from a phone PRIVATE BY DESIGN Your documents stay on your device. • No accounts • No cloud processing • No tracking • No analytics SDK • No telemetry Everything works offline. PRIVACY MD Preview does not collect, store, or transmit your files. Everything runs on-device. There is no analytics SDK, no telemetry, no account. You can manage or disable auto-renewal in your Account Settings after purchase. For more details, please refer to our privacy policy and terms of use. Privacy policy: https://sites.google.com/view/nguyendangnam-privacy-policy/home Term of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ — Open a .md file from Files, iCloud Drive, Mail or any sharing app — and start reading

About

PostOnce Ai

Features
Read full description

PostOnce AI helps creators, small business owners, affiliate marketers, nail salons, beauty creators, real estate agents, coaches, restaurants, Etsy sellers, and local services plan social media content faster. Create one idea and turn it into platform-ready captions, hashtags, titles, CTAs, and weekly content plans for TikTok, Instagram, YouTube Shorts, Facebook, Pinterest, LinkedIn, Threads, and X. Features: • AI Caption Generator • Content Autopilot • Brand Voice • Smart CTA Generator • Trend-Aware AI Coach • Scheduling workflow • Platform-specific content planning PostOnce AI is designed for people who want a simpler way to create, improve, and organize social media content without rewriting everything manually. AI suggestions are for content planning and improvement. Views, followers, leads, sales, or engagement are not guaranteed. Subscription Information: PostOnce AI offers optional auto-renewable subscriptions. Creator Monthly: $9.99/month Business Monthly: $29.99/month Payment will be charged to your Apple ID. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel subscriptions in Apple ID settings. Terms of Use: https://postonceai.com/terms Privacy Policy: https://postonceai.com/privacy

Screenshots

Markdown Editor & Reader4 screens
PostOnce Ai4 screens

Verdict

The call

Markdown Editor & Reader and PostOnce Ai are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Markdown Editor & Reader sells 1 one-off in-app purchase and PostOnce Ai sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Markdown Editor & Reader versus PostOnce Ai: the parameters behind the verdict, then further details
ParameterMarkdown Editor & ReaderPostOnce Ai
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyWeekly—
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size18 MB39 MB
Age rating9+4+
DeveloperDang Nam NguyenDieu Nguyen

In-app purchases

1 purchases

Markdown Editor & Reader

One-time1
  • MD Preview Pro (Lifetime)$4.99
2 purchases

PostOnce Ai

Subscriptions2
  • CreatorMonthly$9.991 Month
  • Business$29.991 Month

Questions

Is Markdown Editor & Reader free?
Markdown Editor & Reader is free to download, with in-app purchases available.
Is PostOnce Ai free?
PostOnce Ai is free to download, with in-app purchases available.
Do Markdown Editor & Reader or PostOnce Ai have ads?
Neither Markdown Editor & Reader nor PostOnce Ai shows ads.

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