Comparison

Weights & Biases vs OpenMark

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

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.

Screenshots

Weights & Biases4 screens
OpenMark4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

Scorecard4 real differences · 7 level
Weights & Biases versus OpenMark: the parameters behind the verdict, then further details
ParameterWeights & BiasesOpenMark
PriceFree — better$9.99
Rating4.1 (14 ratings) — better—
Positive reviews76.9% of reviews — better71.4% of reviews
Number of ratings14 — better—
Update frequencyWeekly—
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank#163 — better—
DevicesiPhoneiPhone, iPad, Mac — better
Requires iOS18.018
Further details — not scored
Size48 MB7 MB
Age rating4+4+
DeveloperWeights and BiasesRotate, LLC.

Customer experience

Weights & Biases

All ratings14 ratings
Positive78.6%
Neutral7.1%
Negative14.3%
Written reviews13 reviews
Positive76.9%
Neutral7.7%
Negative15.4%

OpenMark

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

In-app purchases

None

Weights & Biases

No in-app purchases

None

OpenMark

No in-app purchases

Questions

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

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