Sider: Chat & Work with All AI is an AI assistant app developed by Vidline Inc., listed on the App Store in the productivity category. According to the App Store page information, the app is free to download, includes in-app purchases, has a user rating of 4.7 (based on about 4,300 ratings), an age rating of 18+, and supports English and 45 other languages.
In terms of purpose, Sider is positioned as a 24/7 AI assistant and companion, designed to boost productivity and simplify daily life. It claims to be powered by leading AI technologies such as Claude and Gemini, and can help users summarize long documents, generate creative images, tutor children with homework, or answer questions instantly.
Main capabilities include:
- Multi-model aggregation: providing access to multiple leading AI models in one app, including the GPT series (such as GPT-5.6 Sol, GPT-5.6 Terra, GPT-5.6 Luna, GPT-5.4 mini), the Anthropic series (such as Claude Opus 4.8, Claude Sonnet 5, Claude Opus 5, Claude Fable 5, Claude Haiku 4.5), the Google series (such as Gemini 3.6 Flash, Gemini 3.5 Flash Lite), xAI's Grok 4.5, the DeepSeek series (such as DeepSeek-V4-Pro, DeepSeek-V4-Flash), Moonshot AI's Kimi K3, Zhipu's GLM-5, Qwen's Qwen3.8-Max, and the Sider Fusion Model (which dynamically selects the best AI model to optimize responses).
- AI assistant features: reading assistance (summarizing, translating, and explaining documents, images, and web link content), writing assistance (creating and rewriting articles, posts, emails, etc. in any tone or style), image generation (converting text into images), study tutoring (solving problems, explaining concepts, assisting with homework and research), and chatting with content (uploading more than 30 file formats, images, or URLs to ask questions and get instant answers).
- Sider Claw: completing tasks from the phone; users can ask for research, comparison, extraction, organization, monitoring, or content creation, and Claw can crossWorks with multiple sources, websites, pages, and online workflows to deliver summaries, tables, reports, drafts, suggestions, or documents, reducing repetitive browsing, copying, organizing, and formatting.
- Wisebase: An AI-driven knowledge base that supports uploading files such as PDFs, documents, and presentations, saving websites by pasting URLs, and chatting with multiple files for broad analysis, using AI to deeply understand any file.
How to use: Users can download the app from the App Store. The page mentions a free download with in-app purchases. In a developer reply, it was stated that the current version has implemented chat history synchronization between the mobile app and the plugin. User feedback mentions the experience on desktop browser and mobile, as well as credit plans (for example, the Pocket Plan is limited to mobile use, and credits cannot be accessed on the browser side).
Use cases: According to the official description, it is suitable for tasks such as document summarization, image generation, homework tutoring, content creation, research, comparison, extraction, organization, and monitoring, and is also suitable for professions such as teachers who need assistive tools.
Limitations and notes: The materials mention that user feedback includes occasional error messages, the need to repeat questions, credit consumption, limitations on cross-platform use of in-app purchase plans (for example, Pocket Plan credits cannot be used on the browser, and plans cannot be changed on the browser side, only upgraded to the $299 unlimited plan), and customer service experience issues. In developer replies, these feedback points were acknowledged and thanked, but no specific timeline for resolution was provided. Regarding specific pricing, feature limitations, and availability, only the above content is mentioned in the materials; other information is not yet available.