Cortis Alternatives
Cortis is a private AI assistant for iPhone that works even without an internet connection. It is designed for use while camping, traveling, flying, or anywhere the signal disappears. Users can ask questions, get explanations, and access useful information directly on their device without relying on the cloud.
Cortis prioritizes privacy and responsiveness through fully offline, local operation. However, this comes with notable trade-offs: its model capabilities don't match cloud-based large language models, it's exclusive to iPhone, advanced features require redemption codes, and non-English language support is incomplete. If these limitations are prompting your search for an alternative, this page offers six candidates, filtered by use case, addressing needs such as continued offline/privacy, stronger general capabilities, cross-platform compatibility, or multilingual support.
Quick Comparison
| Tool | Pricing | Rating | Best for |
|---|---|---|---|
| Cortis (the original) | Freemium | 3.1 | - |
| FFM PRO AI | Free | 4.5 | Everyday users needing free, low-friction general Q&A assistance. |
| MemoryOS | Freemium | 4.5 | Professionals who need to sync and manage schedules and documents across phone and computer. |
| Locai: SafeChat | Paid | 3.3 | Privacy-sensitive individuals or industries requiring offline AI chat and document processing. |
| Bob's CLI | Free | 4.2 | Developers who prioritize code privacy and prefer working within the terminal. |
| Invoko | Freemium | 4.4 | Office workers who multitask on their computer and prefer using voice commands for tools. |
| PakBot | Free | 4.3 | General users needing diverse language support, especially South Asian languages, without payment. |
FFM PRO AI is served from a Google Cloud Run URL in the asia-southeast1 region that gates behind a Google AI Studio authentication screen, so public feature and pricing details are not currently visible.
Why it is a strong alternative
In contrast to Cortis's 'local-first' approach, FFM PRO AI leverages cloud models for broader applicability, covering learning, coding, writing, and problem-solving. It's completely free and requires no registration, bypassing Cortis's redemption code barrier. It also supports mixed English and Chinese queries, addressing Cortis's limited non-English support.
Best for
Everyday users needing free, low-friction general Q&A assistance.
Pick it if
You don't heavily rely on offline access and want an ad-free, registration-free, fast, and mixed-language general AI assistant.
Pros
- Hosted on Google Cloud Run infrastructure with a Southeast Asia regional footprint
- Being deployed via Google AI Studio suggests a Gemini-backed application stack
Cons
- Landing page is an authentication screen, so features and pricing are not publicly documented
- No independent listing verifies the operator or the intended user base at this time
MemoryOS is a cross-tool memory layer that stores session summaries as linked dots recallable across ChatGPT, Claude, Cursor, and other popular AI tools.
Why it is a strong alternative
MemoryOS is a cross-platform personal assistant that handles schedules, documents, and search using natural language, overcoming Cortis's iPhone-only limitation. Its free version is ad-free and suitable for basic tasks, making it a practical daily productivity tool.
Best for
Professionals who need to sync and manage schedules and documents across phone and computer.
Pick it if
You want a cross-platform assistant that syncs, and your focus is more on practical scenarios like scheduling and information retrieval rather than pure chat.
Pros
- Unified context across ChatGPT, Claude, Gemini, and popular IDEs
- Free tier available to try the workflow
- Hybrid retrieval blends keyword, semantic, and graph expansion
Cons
- Adds another tool and account to the AI stack
- Best value depends on using several AI apps already
- Deeper features are gated behind paid tiers
A privacy-first AI chat app from UK firm Locai that runs on infrastructure you control instead of a third-party cloud, so sensitive conversations stay in-house.
Why it is a strong alternative
Like Cortis, Locai: SafeChat operates entirely locally and offline. It also supports custom models and document import, ensuring data never leaves your device, making it ideal for industries with strict confidentiality requirements. Its model customizability offers greater flexibility compared to Cortis's fixed model.
Best for
Privacy-sensitive individuals or industries requiring offline AI chat and document processing.
Pick it if
You cannot tolerate any cloud uploads and want a local model that can be customized and used with your own documents for secure analysis.
Pros
- Designed to keep sensitive chats on infrastructure you control
- Backed by Locai, a UK firm focused on private, sovereign AI
- Fits individuals and businesses with strict privacy or compliance needs
Cons
- Public documentation for the specific app is limited
- Exact features and pricing are not clearly published
Bob's CLI is a terminal-based AI development tool that runs entirely on your own hardware, offering zero API costs and ensuring no data leaves your machine. It automatically detects local AI models, adapts to your workflow through behavioral DNA profiling, and provides autonomous code review and fixing. With conversation forking and deep dive features, plus SovereignLink for remote execution while keeping your code at home, it is free to start and sovereign by design.
Why it is a strong alternative
Bob's CLI also runs entirely locally with zero data leakage, but it's deeply optimized for programming scenarios. It can learn your coding style and supports conversational branching to explore solutions. For developers who spend their days in the terminal, it's a more tailored productivity tool than Cortis.
Best for
Developers who prioritize code privacy and prefer working within the terminal.
Pick it if
Your primary use case is coding, and you want an offline, API-fee-free solution that you don't mind interacting with via the command line.
Pros
- Zero API costs, all processing on local hardware
- Data never leaves your machine, privacy-friendly
- Automatically detects local AI models
Cons
- Requires local hardware resources, might be performance-intensive
- Code writing needs explicit approval, limiting full automation
- Public information is limited; detailed features and compatibility per official site
Invoko is a voice-driven AI desktop assistant for Apple Silicon Macs. Hold the Fn key and speak to summarize, rewrite, draft, or run multi-app workflows using on-screen context, without switching apps.
Why it is a strong alternative
Invoko brings an AI assistant to the desktop with a floating window and low-latency voice interaction, avoiding disruption to your current workflow. It can also automate cross-application tasks. Its multilingual support is superior to Cortis, making it suitable for office environments.
Best for
Office workers who multitask on their computer and prefer using voice commands for tools.
Pick it if
You work on a desktop and want an assistant that doesn't obscure your screen, allows for simultaneous voice conversation while working, and can execute cross-application tasks.
Pros
- Voice control that works across apps
- Uses on-screen context to reduce prompting
- Privacy-first: most data stays on the Mac
Cons
- Mac only, and Apple Silicon is required
- Intel Macs are not yet supported
- Beta status means features may change
PakBot is billed as the first AI assistant made for Pakistan, with free chat in Urdu, English, Punjabi, Sindhi and Pashto, plus image generation, voice chat and web search.
Why it is a strong alternative
PakBot natively supports less common languages like Urdu, Punjabi, and Sindhi, and it's completely free, directly addressing Cortis's non-English language support shortcomings. It also integrates chat, text-to-image, voice, and search, offering a comprehensive feature set.
Best for
General users needing diverse language support, especially South Asian languages, without payment.
Pick it if
Cortis's language support is insufficient for you, and you need a free, multilingual AI assistant, accepting potential fluctuations in stability.
Pros
- Supports Urdu, English, Punjabi, Sindhi, Pashto and more
- Free to chat, per the site
- Adds image generation, voice chat and web search
Cons
- Detailed public documentation is limited
- Focused on the Pakistani market rather than a global audience
- Underlying models and any usage limits are not disclosed
How to choose
First, identify your non-negotiable requirements. If offline access is essential or privacy is paramount, prioritize Locai: SafeChat or Bob's CLI. Locai: SafeChat offers a local, general-purpose chat and document workspace, with the flexibility to install custom models. Bob's CLI is a fully local terminal programming assistant, ideal for developers. If you can connect online and value model intelligence and ease of use more, FFM PRO AI is completely free, requires no registration, covers common scenarios, and supports mixed English and Chinese queries. For formal task, schedule, and document management, MemoryOS is cross-platform with an ad-free free tier. For desktop users seeking voice interaction without disrupting their current window, Invoko is a low-latency floating assistant. If multilingual support is a concern, PakBot offers free support for less common languages like Urdu and Punjabi, though stability may vary. Generally, achieving both offline privacy and cloud-level capabilities is challenging; choose based on your network environment and specific use cases.
Explore More
Similar Tools
NoFlattery
NoFlattery is a local-first AI decision-making tool that uses multiple AI agents with differing perspectives to debate your choices, uncover blind spots, and generate a comprehensive decision record. It requires your own API keys, processes data in your browser, and offers a one-time purchase model. Ideal for critical decisions in business or career planning.
Stitch
Stitch is a free, open-source, local-first AI desktop application designed for privacy-conscious users. It integrates meeting transcription, task management, daily automations, and email/calendar handling, all processed on your machine without cloud dependency. Supporting Windows and macOS, it leverages your own AI API keys and offers MCP extensibility, making it a powerful, private productivity hub.
SecondBrain
SecondBrain acts as a crucial memory layer for your phone's AI interactions. Speak naturally, and it automatically organizes your thoughts into notes, calendar events, and reminders. Crucially, it then shares this contextual memory across popular AI platforms like Claude, ChatGPT, and Gemini, ensuring your assistants never start from scratch again. This innovative approach tackles the common frustration of re-explaining background information to different AI tools.
Quartz
Quartz is a Mac-exclusive Gmail client that brings AI directly to your device. It intelligently organizes your inbox by importance and drafts replies in your unique voice, all while keeping your email content private and never uploading it to external servers. Currently free in beta.
Invoko
Invoko is a voice-driven AI desktop assistant for Apple Silicon Macs. Hold the Fn key and speak to summarize, rewrite, draft, or run multi-app workflows using on-screen context, without switching apps.
ChappieAI
ChappieAI is a true AI agent for macOS, not just a chatbot. It remembers context across sessions, manages local files, runs terminal commands, and uses git to commit and push. Bring your own API key (OpenAI, Gemini, Anthropic & 10+) or run fully offline with local models like Llama.
Open-source Alternatives
ODS: Turn Your PC/Mac/Linux into an AI Server
ODS is an open-source project designed to transform your PC, Mac, or Linux device into a fully functional AI server. It integrates LLM inference, conversational UI, voice interaction, AI agents, workflows, RAG, and image generation, making it ideal for developers and advanced users who want to run comprehensive AI capabilities locally with privacy and control over their data.
basic-memory: Open-source Python tool for persistent AI memory
Basic Memory is an open-source Python tool designed to inject persistent memory into AI conversations. It eliminates the need for users to repeatedly explain project backgrounds by leveraging a local knowledge graph and semantic caching. This allows AI assistants like ChatGPT and Claude to retain crucial context across sessions, making it particularly valuable for developers and heavy AI users seeking consistent, context-aware interactions. The project is primarily written in Python and licensed under AGPL-3.0.
Airunner: Local Offline AI Inference Engine
Airunner is an open-source offline AI inference engine that enables image generation, real-time voice conversations, LLM chatbots, and automated workflows entirely on your local machine. No internet required, no data leaves your computer. It is perfect for privacy-conscious users and developers who want full control without cloud dependencies. The project is primarily written in Python and licensed under MIT.
lotti: Private journaling with local AI and encrypted sync
lotti is an open-source private journaling app with a built-in, locally-run AI agent. It records activities, thoughts, and tasks, and offers proactive suggestions. All data processing happens on the device, and sync across devices is end-to-end encrypted via the Matrix protocol, ensuring strong privacy. It is written in Dart and licensed under GPL-3.0. As of collection, it has 1129 stars on GitHub.
obsidian-yolo: Inject AI into Your Knowledge Base
obsidian-yolo is an open-source Obsidian plugin that injects AI capabilities directly into your knowledge base. It offers smart Q&A, text summarization, and multilingual conversations, all without leaving your notes. Built with TypeScript, it is highly customizable and ideal for users looking to integrate AI into their note-taking workflow. The project is licensed under MIT and has 1142 GitHub stars as of collection time.
rowboat: Desktop AI Coworker Indexing Communications into a Knowledge Graph
Rowboat is a desktop AI coworker that indexes email, meetings, Slack, and chats into a living knowledge graph and acts on it through built-in surfaces. The project is developed in TypeScript, licensed under Apache-2.0, and has 16,711 stars on GitHub as of collection time.
