# HOL Guard vs Gemini Notebook

> HOL Guard: Local approvals for AI coding agent actions before they touch your machine
> Gemini Notebook: Google's Gemini Notebook, formerly NotebookLM, answers questions and builds summaries from your own sources

- HOL Guard profile: https://finderatlas.com/tools/hol-guard
- Gemini Notebook profile: https://finderatlas.com/tools/notebooklm
- Comparison page: https://finderatlas.com/compare/hol-guard-vs-notebooklm
- Last reviewed: November 2026

## Verdict

HOL Guard is listed under Coding AI and Gemini Notebook under AI Assistants. Gemini Notebook scores higher in FinderAtlas's editorial review (8.7 vs 7.8 out of 10). Both have a free plan or trial. Only HOL Guard is available on macOS, Linux and CLI. Only Gemini Notebook is available on Web, iOS and Android.

### Choose HOL Guard if

- You want a tool built for approving risky agent actions locally, Protecting secrets from coding agents, Reviewing MCP servers, skills and plugins before use.
- Open source under Apache-2.0 with public code and release history.
- Works offline with no account on the free local tier.

### Choose Gemini Notebook if

- You want a tool built for summarizing and questioning your own documents.
- Answers cite the uploaded sources, so claims can be checked against the original text.
- Free Standard tier with 100 notebooks and 50 sources per notebook.

## Pricing

| | HOL Guard | Gemini Notebook |
| --- | --- | --- |
| Pricing model | Freemium | Freemium |
| Free plan or trial | Yes | Yes |
| Starting price | $0 | $0 |

## Features

| Feature | HOL Guard | Gemini Notebook |
| --- | --- | --- |
| Pre-action interception | Yes | Not listed |
| Policy outcomes | Yes | Not listed |
| Local audit trail | Yes | Not listed |
| MCP, skills and plugin inspection | Yes | Not listed |
| Layered policy | Yes | Not listed |
| Plugin scanner | Yes | Not listed |
| Risk check | Yes | Not listed |
| Coverage matrix | Yes | Not listed |
| Broad agent support | Yes | Not listed |
| Source-grounded chat | Not listed | Yes |
| Audio Overviews | Not listed | Yes |
| Video Overviews | Not listed | Yes |
| Study tools | Not listed | Yes |
| Reports, slide decks and infographics | Not listed | Yes |
| Multiple source types | Not listed | Yes |
| Cloud computer | Not listed | Yes |
| Gemini app sync | Not listed | Yes |
| Sharing and public notebooks | Not listed | Yes |

## Platforms

| Platform | HOL Guard | Gemini Notebook |
| --- | --- | --- |
| Web | No | Yes |
| Windows | No | No |
| macOS | Yes | No |
| iOS | No | Yes |
| Android | No | Yes |
| API | No | No |
| Browser Extension | No | No |
| Linux | Yes | No |
| CLI | Yes | No |

## HOL Guard strengths

- Open source under Apache-2.0 with public code and release history
- Works offline with no account on the free local tier
- Lets you approve or block actions instead of only logging them
- Covers MCP servers, skills, plugins and package installs, not just shell commands
- Publishes a coverage matrix and states its limits openly

## HOL Guard limitations

- Coverage depth varies by agent and event type, and some integrations are alpha
- Install instructions cover macOS and Linux; Windows support is not stated
- Cloud tiers add cost, and annual prices are not listed
- Site has no visible terms or company address on the product page

## Gemini Notebook strengths

- Answers cite the uploaded sources, so claims can be checked against the original text
- Free Standard tier with 100 notebooks and 50 sources per notebook
- Wide range of outputs, including Audio Overviews, Video Overviews, mind maps, flashcards, quizzes and slide decks
- Accepts PDFs, websites, YouTube videos, audio files, Google Docs and Google Slides
- Available on web, iOS and Android, and synced with the Gemini app

## Gemini Notebook limitations

- Works from the sources you add and is not built for live web news search
- Higher limits require a Google AI subscription; Ultra starts at $99.99 per month
- The cloud computer for code execution started with Ultra and Workspace AI Ultra Access customers, with Pro rollout still described as upcoming
- No public API for the consumer product, and the renamed brand can make older guides and app listings confusing

## FAQ

**Is HOL Guard better than Gemini Notebook?**

It depends on your workflow. HOL Guard is built for approving risky agent actions locally, Protecting secrets from coding agents, Reviewing MCP servers, skills and plugins before use. Gemini Notebook is built for summarizing and questioning your own documents.

**What are the key feature differences between HOL Guard and Gemini Notebook?**

HOL Guard: Local approvals for AI coding agent actions before they touch your machine. Gemini Notebook: Google's Gemini Notebook, formerly NotebookLM, answers questions and builds summaries from your own sources.

**Does HOL Guard or Gemini Notebook have a free plan?**

Yes, both do. HOL Guard is freemium and Gemini Notebook is freemium, and each has a free plan or trial.

**Which is cheaper, HOL Guard or Gemini Notebook?**

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.