Weights & Biases vs OpenMark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Weights & Biases
Monitor machine learning experiments in real time from your mobile device. Get notified about important events like run completion or metric changes. Quickly review results and track key performance indicators for your training runs.
- Monitor live and completed runs
- View training curves
- Track loss, accuracy, and custom metrics
- Receive run completion notifications
- Get alerted on key metric changes
- Sanity-check results quickly
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Stay on top of your machine learning runs—without staying at your desk. The Weights & Biases mobile app lets you monitor experiments in real time and get notified when something important happens. Whether you’re training large language models, fine-tuning models, or running sweeps, you can: • View live and completed runs • Zoom and pan through training curves • Track loss, accuracy, throughput, and custom metrics • Receive notifications when runs finish or fail • Get alerted when key metrics change • Quickly sanity-check results between meetings The app connects securely to your existing W&B projects so you can monitor progress from anywhere. No dashboards to rebuild—your runs are already there. The W&B mobile app is available for Free, Academic, and cloud-hosted Enterprise (SaaS) accounts. Dedicated and on-premises deployments are not yet supported.
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.
- Full Markdown rendering
- KaTeX math equations
- Mermaid diagram support
- Interactive checkboxes
- Export to PDF/HTML
- Offline functionality
- Multiple themes
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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.
Screenshots
Verdict
The clearest difference is price: Weights & Biases at Free against OpenMark's $9.99. Weights & Biases also leads on chart position (#163 vs unranked). OpenMark's advantage is device support (3 vs 1). On review sentiment, ads, in-app purchases 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
Weights & Biases is free to download; OpenMark costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Weights & Biases | OpenMark |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 4.1 (14 ratings) — better | — |
| Positive reviews | 76.9% of reviews — better | 71.4% of reviews |
| Number of ratings | 14 — better | — |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | #163 — better | — |
| Devices | iPhone | iPhone, iPad, Mac — better |
| Requires iOS | 18.0 | 18 |
| Further details — not scored | ||
| Size | 48 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Weights and Biases | Rotate, LLC. |
Customer experience
Weights & Biases
OpenMark
In-app purchases
Weights & Biases
No in-app purchases
OpenMark
No in-app purchases









