# Sider vs Unless Browser Assistant

Sider records 2,644,740 monthly visits with -10.6% month-over-month growth and Freemium pricing. Unless Browser Assistant records 0 monthly visits with — growth and Freemium, Free pricing.

| Metric | [Sider](https://openaitools.app/tool/sider) | [Unless Browser Assistant](https://openaitools.app/tool/unless-browser-assistant) |
| :--- | :--- | :--- |
| Website URL | https://sider.ai | https://chromewebstore.google.com/detail/unless-browser-assistant/gnohpojgcdnndjfghobhpagdepocompf |
| Categories | AI Assistant, AI Chatbot, AI Writing Assistants, AI Reader | AI Assistant, AI Browsers, AI Chatbot, AI Customer Service |
| Pricing Model | Freemium | Freemium, Free |
| Monthly Visits | 2,644,740 | 0 |
| MoM Growth Rate | -10.6% | — |
| Primary Market | United States | Global |
| Direct Visits | 1,699,535 | 0 |
| Review Score | 4.5 | 4 |
| Saved Count | 31 | 0 |
| Supported Platforms | Website | Browser Extension |

## Sider

Sider's premise is that you should not have to leave the page you are reading to use an AI assistant. Its sidebar overlays the browser, detects the content in view, and responds with chat, summaries, translations or explanations using frontier models from multiple providers. The result is a lightweight research and reading workflow: highlight a paragraph, ask for a simpler explanation, translate a PDF and keep the original in sight.

Recent versions push Sider beyond chat. Sider Hand is a browser agent that works across real websites and uses your logged-in sessions to carry out multi-step jobs such as comparing prices while shopping, filling forms, doing cross-site research or triaging a Gmail inbox. Sider Code goes the other way, letting you instruct changes to a website's appearance or behaviour in plain language and preserving the customisation for next time. A Create module generates images, videos, slides and documents from the same panel.

Pricing moves from a limited free tier to credit-based paid plans aimed at heavier users. Lower plans suit occasional chat, summarisation and translation, while higher tiers add a dedicated cloud computer that keeps the browser agent running around the clock and a larger monthly credit allowance. Sider ships as browser extensions for Chrome and Edge plus desktop and mobile apps for macOS, Windows, iOS and Android, and is used by a very large installed base.

**Pricing & Plans:** Freemium. Free tier available with limited credits; paid plans advertised at roughly US$10/month for occasional use up to around US$100/month at the top tier, with higher credit allowances and a dedicated cloud computer on the upper plans.

- **AI sidebar on any page:** A persistent panel that reads the page you are on and answers follow-ups with GPT, Claude or Gemini without copying content into another tab.
- **Summarise and chat with documents:** Summarise long articles, PDFs and YouTube videos, extract key points, and ask detailed questions about the source material.
- **Translation and read-aloud:** Translate webpages, PDFs and images, compare bilingual output side by side, and have content read aloud for review on the move.
- **Sider Hand browser agent:** Delegate multi-step tasks across real websites — price comparison, form filling, research and inbox triage — using your existing logged-in sessions.
- **Sider Code page customisation:** Describe a change in plain words and have Sider restyle or simplify any website, remembering the modification for future visits.

**Strengths:** Works inside the browser you already use, with no context switching; Access to multiple frontier models from one subscription; Strong reading toolkit: PDF chat, YouTube summaries, translation and read-aloud; Increasingly capable agent features for multi-step browser tasks

**Limitations:** Useful credits run out quickly on the free and lower tiers; Model availability and quota rules change over time, so expectations must be checked per plan; Some agent and code features depend on a cloud machine and heavier plans

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

## Unless Browser Assistant

The Unless browser assistant is the Chrome extension side of the UNLESS platform, which provides an AI platform for businesses to create and deploy AI agents in any channel. The extension is now listed on the Chrome Web Store as 'Unless team assistant' and is published by Rocket Launcher BV, the company behind unless.com.

The problem it solves is a practical one for support and customer-facing teams: most teams do not work in a single system. A question might arrive in your own dashboard, in your mail client, or in a separate CRM, and a native app for one tool cannot help you the moment you switch to another. The Unless extension operates across systems and websites as a universal assistant, with contextual awareness so it adapts to whatever environment you are in.

Setup happens in the Unless dashboard, where it connects to your organisational knowledge so it can answer questions about your products and processes. When a reply alone is not enough, AI Actions let the assistant perform the action on the customer's behalf or point you straight to the feature in another system you need. The listing notes it requires an account and is intended for team use, and the developer has disclosed that it does not collect or use your data.

**Pricing & Plans:** The extension is listed as freemium/free to install, but the team assistant requires an account and runs on the UNLESS commercial platform. Confirm seat pricing and plan limits at unless.com.

- **Universal assistant across any system:** Works across your dashboards, mail client, CRM and public websites, so the same assistant is available wherever a customer question lands.
- **Organisational knowledge answers:** After dashboard setup, it queries your organisational knowledge to give answers grounded in how your business actually works.
- **Contextual awareness:** Adapts to the site or system you are on so support stays consistent across every touchpoint your team uses.
- **AI Actions:** Lets the assistant take an action on the customer's behalf when an inquiry requires it, instead of just answering.
- **Team-focused and privacy-disclosed:** The listing describes an account-based assistant built for team use, and the developer states it does not collect or use your data.

**Strengths:** Works across any website, dashboard, CRM or mail client rather than being locked to one system; Grounded in your organisation's own knowledge after dashboard setup; AI Actions let it act on the customer's behalf, not just answer questions; Contextual awareness keeps support consistent across touchpoints

**Limitations:** Requires a paid Unless account and dashboard setup before it does anything useful; Focused on team/organisational knowledge, so it is not the right pick for casual personal browsing assistance; Value depends on your organisation having its knowledge sources properly connected

[Profile (Markdown)](https://openaitools.app/tool/unless-browser-assistant.md)

## Frequently Asked Questions

### How do Sider and Unless Browser Assistant compare in monthly traffic?

Sider has 2,644,740 monthly visits, while Unless Browser Assistant has 0. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Sider has a month-over-month growth rate of -10.6%; Unless Browser Assistant has —.

### How does pricing compare?

Sider: Freemium. Freemium. Free tier available with limited credits; paid plans advertised at roughly US$10/month for occasional use up to around US$100/month at the top tier, with higher credit allowances and a dedicated cloud computer on the upper plans. Unless Browser Assistant: Freemium, Free. The extension is listed as freemium/free to install, but the team assistant requires an account and runs on the UNLESS commercial platform. Confirm seat pricing and plan limits at unless.com.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [ChatGPT](https://openaitools.app/tool/chatgpt-4) | 6,048,022,723 | +2.2% | Freemium | OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research. | [.md](https://openaitools.app/tool/chatgpt-4.md) |
| 2 | [Claude](https://openaitools.app/tool/claude-2) | 1,253,439,413 | +23.8% | Freemium | Anthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing. | [.md](https://openaitools.app/tool/claude-2.md) |
| 3 | [Monica](https://openaitools.app/tool/monica-ai) | 4,512,775 | -11.3% | Freemium | All-in-one AI assistant across web, browser, desktop and mobile | [.md](https://openaitools.app/tool/monica-ai.md) |
| 4 | [Sider](https://openaitools.app/tool/sider-ai-extension) | 2,644,740 | -10.6% | Freemium | Your AI agent for the browser: chat, automate and create from one sidebar | [.md](https://openaitools.app/tool/sider-ai-extension.md) |
| 5 | [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) |
| 6 | [Dia Browser](https://openaitools.app/tool/dia-browser) | 1,254,172 | +108.4% | Free | The AI browser that reads between your tabs | [.md](https://openaitools.app/tool/dia-browser.md) |
| 7 | [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) |
| 8 | [Tidio](https://openaitools.app/tool/tidio) | 527,313 | -6.4% | Freemium | AI customer service that answers instantly and turns chats into revenue | [.md](https://openaitools.app/tool/tidio.md) |
| 9 | [DocsBot AI](https://openaitools.app/tool/docsbot-ai) | 495,278 | -3.8% | Freemium | Custom AI agents trained on your documentation and knowledge base | [.md](https://openaitools.app/tool/docsbot-ai.md) |
| 10 | [Sigma AI Browser](https://openaitools.app/tool/sigma-ai-browser) | 240,775 | -47.1% | Free | A private Chromium browser with a built-in AI agent and offline LLM | [.md](https://openaitools.app/tool/sigma-ai-browser.md) |

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Source: https://openaitools.app/compare/sider-vs-unless-browser-assistant

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