# Glasp vs PeerReview

Glasp records 889,564 monthly visits with -14.1% month-over-month growth and Freemium pricing. PeerReview records 0 monthly visits with — growth and Free (open source) pricing.

| Metric | [Glasp](https://openaitools.app/tool/glasp) | [PeerReview](https://openaitools.app/tool/peerreview) |
| :--- | :--- | :--- |
| Website URL | https://glasp.co | https://chromewebstore.google.com/detail/peerreview/nnldmbcnidpahakofnooepjdokglpdcj |
| Categories | AI Research Tool, AI Agent, AI Summarizer, AI Youtube Summary | AI API, AI Summarizer, AI Developer Tools, Large Language Models (LLMs) |
| Pricing Model | Freemium | Free (open source) |
| Monthly Visits | 889,564 | 0 |
| MoM Growth Rate | -14.1% | — |
| Primary Market | United States | Global |
| Direct Visits | 400,603 | 0 |
| Review Score | 4.2 | 4.4 |
| Saved Count | 12 | 0 |
| Supported Platforms | Website | Browser Extension |

## Glasp

Glasp started from a simple observation: most people highlight things they never look at again. Instead of trapping highlights inside one app, Glasp makes them social. Install the extension, highlight a paragraph on any site or a line in a YouTube transcript, and it lands in your Glasp profile where you can add notes and tags. Because highlights are public by default unless you make them private, a feed of what like-minded people are reading and marking emerges — you can follow other users, see what resonates, and discover sources you would not have found on your own.

Your library becomes the raw material for AI features. Glasp can summarize a long article, a PDF or a YouTube video so you can decide whether it deserves reading, and it can organize what you have already saved into themes. The standout feature is the AI clone: by training on your own accumulated highlights and notes, it produces something that answers in the shape of your interests and reading history. There is also a digital-legacy angle, letting you hand your accumulated knowledge to someone else.

Glasp is free to start, with paid tiers for heavier use and greater AI capacity. Its real niche is learners, researchers, students and content curators who treat annotation as a public, collaborative practice rather than a private bookmark folder — and who want their saved material to do work for them later instead of gathering dust.

**Pricing & Plans:** Freemium. A free tier covers the core highlighting, saving and sharing features with limited AI usage; paid plans add higher AI limits and additional capacity. Check glasp.co for current tier pricing, as it is not published in our listing data.

- **Web and YouTube highlighting:** Mark up passages on any website or lines in a YouTube transcript from a browser extension, then keep them in one searchable library.
- **Social learning feed:** Highlights are shared publicly by default, so you can follow other users, react to their picks and discover sources through people with similar interests.
- **AI summarization:** Generate summaries of long articles, PDFs and YouTube videos to judge relevance fast and to digest what you have already saved.
- **Your own AI clone:** Trained on your accumulated highlights and notes, the AI clone answers in the shape of your reading history and areas of interest.
- **Notes, tags and Kindle import:** Add your own commentary and tags to every highlight, and bring in Kindle highlights so your reading lives in one place.

**Strengths:** Turns throwaway highlighting into a genuinely reusable, searchable library; The social feed surfaces sources through people rather than an opaque algorithm; AI summarization and the AI clone are built on your own saved material, not generic content; Works across web pages, YouTube, PDFs and Kindle imports in one place

**Limitations:** Public-by-default sharing is not for everyone; private lives behind a toggle you have to remember; The AI clone only becomes useful after you have accumulated a real body of highlights; Free-tier AI usage is limited, so heavy summarization pushes you to a paid plan

[Profile (Markdown)](https://openaitools.app/tool/glasp.md)

## PeerReview

PeerReview is a minimal Chrome extension whose entire purpose is captured by its tagline: summarize any text with just a click. Highlight a paragraph, invoke the extension, and it returns a condensed version of the passage without redirecting you to a separate summarization app or web service.

The extension is built on Gemini's Prompt API and Summarizer API, the browser-native interfaces Chrome exposes for on-device language model work. That choice makes PeerReview a lightweight layer over capabilities Chrome already provides rather than a standalone AI service with its own servers and accounts. It is published as an open-source project, and its store listing explicitly invites contributors.

PeerReview is at an early stage: version 0.0.1, published in December 2024, with a small install base. The developer has disclosed that it does not collect or use user data, and the package is only a few kilobytes. Treat it as a steerable open-source utility for students, translators, developers and heavy readers who already run a compatible Chrome build and want faster reading rather than a full productivity suite.

**Pricing & Plans:** Free. The Chrome Web Store listing shows no paid tiers; PeerReview is distributed free of charge as an open-source project.

- **One-click summarization:** Select a passage and click once to replace hunting through menus with an immediate summary.
- **Gemini Prompt & Summarizer APIs:** Uses Gemini's Prompt API and Summarizer API, Chrome's built-in on-device AI interfaces, rather than a custom backend.
- **Works on any highlighted text:** Skims pages, drafts and pasted text and returns the gist without taking you out of the tab.
- **Open source:** A public open-source project that welcomes outside contributions and code review.
- **Privacy-friendly by default:** Small package (about 6.7 KB) with virtually no interface overhead, and the developer states no data collection.

**Strengths:** One-click workflow keeps you inside the page you are reading; Built on Gemini's browser-native APIs, so no external accounts or API keys to manage; Open source, so the behaviour is auditable and improvable by contributors; Developer declares that no user data is collected or used

**Limitations:** Very early proof-of-concept (v0.0.1) with no visible release history or roadmap; Depends on on-device Gemini APIs, so behaviour varies by Chrome version and hardware; No accounts, sync or team features, and effectively no vendor support

[Profile (Markdown)](https://openaitools.app/tool/peerreview.md)

## Frequently Asked Questions

### How do Glasp and PeerReview compare in monthly traffic?

Glasp has 889,564 monthly visits, while PeerReview has 0. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Glasp has a month-over-month growth rate of -14.1%; PeerReview has —.

### How does pricing compare?

Glasp: Freemium. Freemium. A free tier covers the core highlighting, saving and sharing features with limited AI usage; paid plans add higher AI limits and additional capacity. Check glasp.co for current tier pricing, as it is not published in our listing data. PeerReview: Free (open source). Free. The Chrome Web Store listing shows no paid tiers; PeerReview is distributed free of charge as an open-source project.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Notion](https://openaitools.app/tool/t) | 173,441,670 | +0.1% | Freemium | The AI workspace where teams and agents get work done together | [.md](https://openaitools.app/tool/t.md) |
| 2 | [Perplexity](https://openaitools.app/tool/perplexity-ai) | 88,310,223 | -3.7% | Freemium | Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models. | [.md](https://openaitools.app/tool/perplexity-ai.md) |
| 3 | [Tactiq](https://openaitools.app/tool/tactiq) | 6,521,542 | +4.1% | Freemium | Live meeting transcription and AI notes without a bot in the call | [.md](https://openaitools.app/tool/tactiq.md) |
| 4 | [SciSpace](https://openaitools.app/tool/scispace) | 4,464,111 | +8.6% | Freemium | Excels at deep scientific literature reading and analysis, whereas Glasp targets general web and video content curation. | [.md](https://openaitools.app/tool/scispace.md) |
| 5 | [Sider](https://openaitools.app/tool/sider) | 2,644,740 | -10.6% | Freemium | Offers a broader multi-model sidebar for quick page summarization, but lacks Glasp's community-driven public highlighting and curation. | [.md](https://openaitools.app/tool/sider.md) |
| 6 | [Merlin AI](https://openaitools.app/tool/merlin-ai-plugins) | 1,382,634 | +13.1% | Freemium | Provides faster multi-tab AI assistance and article summaries, but lacks dedicated social knowledge curation and note archiving features. | [.md](https://openaitools.app/tool/merlin-ai-plugins.md) |
| 7 | [Merlin AI](https://openaitools.app/tool/merlin-ai) | 1,382,634 | +13.1% | Freemium | One-click AI assistant for browsing, writing and research | [.md](https://openaitools.app/tool/merlin-ai.md) |
| 8 | [HARPA AI](https://openaitools.app/tool/harpa-ai) | 537,461 | +99.3% | Freemium | One browser agent that combines every major AI model with web automation | [.md](https://openaitools.app/tool/harpa-ai.md) |
| 9 | [Scholarcy](https://openaitools.app/tool/scholarcy) | 195,058 | +4.6% | Freemium | Converts academic papers into structured summary flashcards, but lacks Glasp's broad web article and YouTube highlighting capabilities. | [.md](https://openaitools.app/tool/scholarcy.md) |
| 10 | [Glarity](https://openaitools.app/tool/glarity-summarize-google-and-youtube) | 188,823 | -49.6% | Freemium | Summarize YouTube, Google, and any page with AI — free in your browser | [.md](https://openaitools.app/tool/glarity-summarize-google-and-youtube.md) |

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Source: https://openaitools.app/compare/glasp-vs-peerreview

More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)