# OpenMark vs OneUptime On

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.

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.

## The numbers

| Metric | OpenMark | OneUptime On |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oneuptime-on-call/id6759615391/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Monetization | Paid | **Free** |
| Size | 7 MB | 40 MB |
| Requires iOS | 18 | **16.4** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rotate, LLC.](https://appshunter.io/developer/1435998437) | [HackerBay, Inc.](https://appshunter.io/developer/1879820792) |

## What reviewers say

### OpenMark

[App page](https://appshunter.io/ios/app/openmark/id6759467015)

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:** Vision Pro support

**In-app purchases:** none


### OneUptime On

[App page](https://appshunter.io/ios/app/oneuptime-on-call/id6759615391)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*