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Harker vs Open Notebook
A side-by-side comparison of pricing, ratings, features, pros and cons.
| Overview | |||
| Description | Free, offline voice-to-text Mac app that dictates into any application via a global keyboard shortcut. | An open source implementation of NotebookLM with more flexibility and features. | |
| Category | |||
| Developer | Ourfires LTD | Open-notebook | |
| Verified Status | No | No | |
| Last Updated | Aug 2026 | Aug 2026 | |
| Pricing | |||
| Pricing Model | Freemium | Open Source | |
| Free Plan | No | Yes | |
| Free Trial | No | — | |
| Open Source | No | Yes | |
| Capabilities | |||
| API Access | No | — | |
| Features | • Instant dictation via global keyboard shortcut • Fully offline, private local transcription • Works across any Mac application • Multi-language support • Premium: AI style transformation, grammar fixes, translation • Free unlimited local transcription, no account required | — | |
| Tags | voice-to-textoffline-transcriptionmacos-appdictationprivacy-focused | opennotebooksourceimplementationnotebooklmflexibility | |
| Platforms | Mac | — | |
| Mobile Apps | No | — | |
| Trust and Engagement | |||
| Review Count | 0 | 0 | |
| Saves | 0 | 0 | |
| Views | 5 | 40 | |
| Quality Score | 29/100 | 54/100 | |
| Website Status | Online | Online | |
| Availability | |||
| Website | getharker.com | www.open-notebook.ai | |
| Social Links | 1 linked | 1 linked | |
| Screenshots | No | No | |
| Reviews | |||
| Pros | • Free to use | • Free to use | |
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