Comparison

OpenMark vs OneUptime On

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

Head to head
About

OpenMark

This app offers a native Markdown editor for iPhone and iPad, rendering files with full formatting including code, math, and diagrams. It supports offline editing and export to PDF or HTML, with multiple themes and an outline sidebar on iPad.

Highlights
  • Full Markdown rendering
  • KaTeX math equations
  • Mermaid diagram support
  • Interactive checkboxes
  • Export to PDF/HTML
  • Offline functionality
  • Multiple themes
Features
Read full description

OpenMark brings beautiful markdown rendering to your iPhone and iPad. Open any .md file from iCloud Drive, Files, or any file provider and see it rendered with full formatting — headings, code blocks, tables, math equations (KaTeX), diagrams (Mermaid), GitHub-style alerts, and interactive checklists. Features: - Full markdown rendering with syntax-highlighted code blocks - KaTeX math equations — inline and display mode - Mermaid diagrams rendered natively - GitHub-style alerts (Note, Tip, Important, Warning, Caution) - Interactive checkboxes — tap to toggle, changes save back to file - Export to PDF or HTML, copy as markdown - Outline sidebar on iPad for quick navigation - Dark mode support - 4 themes: Default, Nord, Solarized, One Dark - Works offline — all rendering is bundled, no internet required - Universal Purchase — buy once, get both Mac and iOS Edit your markdown on Mac with the full OpenMark editor. Read anywhere on iPhone and iPad.

About

OneUptime On

Monitor and manage your online services with this comprehensive solution. It alerts your team to downtime and keeps customers informed via a status page.

Highlights
  • Monitor website availability
  • Track dashboard status
  • Check API uptime
  • Receive downtime alerts
  • Publish status pages
Features
Read full description

OneUptime is a comprehensive solution for monitoring and managing your online services. Whether you need to check the availability of your website, dashboard, API, or any other online resource, OneUptime can alert your team when downtime happens and keep your customers informed with a status page.

Screenshots

OpenMark4 screens
OneUptime On4 screens

Verdict

The call

The clearest difference is price: OneUptime On at Free against OpenMark's $9.99. OneUptime On also leads on iOS requirement (16.4 vs 18). On ads, in-app purchases and device support 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

OneUptime On is free to download; OpenMark costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard3 real differences · 7 level
OpenMark versus OneUptime On: the parameters behind the verdict, then further details
ParameterOpenMarkOneUptime On
Price$9.99Free — better
Rating—5.0 (1 ratings) — better
Positive reviews71.4% of reviews—
Number of ratings—1 — better
Update frequency—Every 6 days
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS1816.4 — better
Further details — not scored
Size7 MB40 MB
Age rating4+4+
DeveloperRotate, LLC.HackerBay, Inc.

Customer experience

OpenMark

Written reviews7 reviews
Positive71.4%
Neutral14.3%
Negative14.3%

OneUptime On

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

OpenMark

No in-app purchases

None

OneUptime On

No in-app purchases

Questions

Is OpenMark free?
OpenMark costs $9.99, with no in-app purchases.
Is OneUptime On free?
OneUptime On is free to download, with no in-app purchases.
Do OpenMark or OneUptime On have ads?
Neither OpenMark nor OneUptime On shows ads.

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