Comparison

Md Preview vs Jozai

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

Head to head
About

Md Preview

View your Markdown files with exceptional clarity on iPhone and iPad. Supports all Markdown features, code syntax highlighting, LaTeX math, and Mermaid diagrams. Renders files offline and integrates with other apps.

Highlights
  • Full GFM support (tables, task lists, footnotes)
  • Syntax highlighting for 40+ programming languages
  • LaTeX math rendering with KaTeX
  • Mermaid diagram support
  • Offline rendering on-device
  • System file handler for .md files
  • Dark mode with automatic theme switching
Features
Read full description

Md Preview renders your Markdown files with stunning clarity — right on your iPhone or iPad. Open any .md file from ChatGPT, Obsidian, Notion, GitHub, or 100+ other apps. Md Preview instantly shows a beautiful, fully-rendered preview with support for every Markdown feature you need. FEATURES • Full GFM Support — Tables, task lists, footnotes, strikethrough, and autolinks • Syntax Highlighting — 40+ programming languages beautifully colored • LaTeX Math — Inline and display equations powered by KaTeX • Mermaid Diagrams — Flowcharts, sequence diagrams, pie charts, and more • Dark Mode — Automatic theme switching that follows your system setting • 100% Offline — All rendering happens on-device. No data ever leaves your phone • Open From Anywhere — Works as a system file handler for .md files from any app • File History — Quickly reopen recent files with one tap • Share Extension — Receive Markdown files shared from other apps SUPPORTED FORMATS .md, .markdown, .mdown, .mkd, .mkdn, .mdwn, .mdtxt, .mdtext, .mdx, .rmd, .qmd Md Preview is the fastest way to read Markdown on iOS. No editing, no clutter — just a clean, beautiful preview.

About

Jozai

Features
Read full description

See at a glance whether OpenAI, Anthropic, Google, and other AI services are up or down, right from your lock screen or home screen widget. • See up to 5 services at once (Operational / Minor issue / Outage) • Get notified when a service goes down or recovers (local, on-device notification — not sent from any server) • Add, remove, and reorder monitored services freely • OpenAI, Anthropic, and Google Cloud are monitored by default; add any other service • New services are tested on add, so invalid URLs are rejected • Choose your display language: follow device, Japanese, or English Notification timing depends on iOS background execution and power-saving behavior, so there may be a delay of a few minutes to tens of minutes after an outage occurs. Open the app anytime to see the latest status instantly. This app has no backend server — it connects directly from your device to each service's public status API. No personal data or usage logs are collected. This is an unofficial tool and is not affiliated with any of the services it monitors.

Screenshots

Md Preview3 screens
Jozai3 screens

Verdict

The call

The clearest difference is price: Jozai at Free against Md Preview's $2.99. Md Preview's advantage is update cadence (every 3 days vs every 8 days). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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

Jozai is free to download; Md Preview costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Md Preview ships an update every 3 days, Jozai every 8 days. The most recent releases landed on October 31, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 8 level
Md Preview versus Jozai: the parameters behind the verdict, then further details
ParameterMd PreviewJozai
Price$2.99Free — better
Rating4.4 (5 ratings) — better—
Positive reviews71.4% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 days — betterEvery 8 days
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size4 MB2 MB
Age rating4+4+
DeveloperCyberGame Limitedkondo ryohei

In-app purchases

None

Md Preview

No in-app purchases

None

Jozai

No in-app purchases

Questions

Is Md Preview free?
Md Preview costs $2.99, with no in-app purchases.
Is Jozai free?
Jozai is free to download, with no in-app purchases.
Do Md Preview or Jozai have ads?
Neither Md Preview nor Jozai shows ads.
Which is updated more often, Md Preview or Jozai?
Md Preview ships an update every 3 days, and Jozai every 8 days. Most recently, Md Preview was updated on October 31, 2026 and Jozai on October 3, 2026.

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