Co vs ARKA AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Co
This AI-powered workspace acts as your intelligent assistant, streamlining tasks and boosting efficiency. Engage in natural conversations, generate content, organize information, and solve problems within a single, intuitive interface.
- AI Smart Chat
- AI Writing and Content Generation
- Productivity and Work Assistance
- Clean and Efficient Interface
- All-in-One AI Tools
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Co‑work is an AI workspace designed to improve efficiency, making AI your always-available intelligent assistant. With Co‑work, you can have natural conversations with AI, gain inspiration, generate content, organize information, and complete various tasks within a simple and efficient interface. Instead of switching between multiple tools, Co‑work integrates AI chat and practical tools into one platform, helping you stay focused and work more efficiently. Key Features: AI Smart Chat Communicate with AI anytime to get answers, inspiration, and suggestions. AI Writing and Content Generation Helps generate articles, emails, notes, copy, and social media content. Productivity and Work Assistance Organize ideas, create plans, solve problems, and improve work efficiency. Clean and Efficient Interface A simple and intuitive design that keeps you focused on thinking and creating. All-in-One AI Tools No need for multiple AI apps—Co‑work meets your daily AI needs in one place. Use Cases: Writing and content creation Learning and information organization Brainstorming and idea generation Improving work efficiency Solving everyday problems Whether you are a student, creator, or professional, Co‑work helps you complete your work more efficiently. Use AI to make work simpler. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ARKA AI
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Access the world's most powerful AI models in one beautifully designed AI chat app. ARKA AI is the ultimate AI assistant that brings ChatGPT, Claude, Gemini, Llama, Mistral, and more into a single powerful experience. Stop switching between AI apps. With ARKA AI, you can chat, write, research, and generate images using the best AI models available today. ONE APP. EVERY AI. Use the most advanced AI models in the world: • GPT-4o, GPT-4 Turbo & GPT-3.5 • Claude 3.5 Sonnet & Claude 3 Opus • Gemini Pro & Gemini Ultra • Llama 3, Mistral, Mixtral & more • New AI models added regularly Switch models instantly and compare responses from different AIs in one conversation. POWERFUL AI FEATURES • AI Chat Assistant – Ask questions and get intelligent answers instantly • AI Image Generator – Create stunning images with DALL-E 3 • Voice Input – Talk to AI hands-free • Conversation History – Seamlessly continue chats across devices • Lightning-Fast Responses – Optimized for speed and reliability • Beautiful Dark Mode Interface – Designed for a premium iOS experience BUILT-IN AI TOOLS ARKA AI includes powerful tools to help you work and create faster. • Web search for real-time information • URL reader for instant webpage analysis • YouTube video summarizer • Academic research assistant • Weather, stock data, and more WHY PEOPLE LOVE ARKA AI • Access multiple AI models in one app • Switch between models mid-conversation • Compare answers from different AIs • Privacy-focused design • Native iOS experience built for speed No need to juggle multiple AI subscriptions or apps. PERFECT FOR • Writing and brainstorming • Research and learning • Coding and development • Image generation and creative work • Everyday questions and productivity Whether you're writing, coding, studying, researching, or creating, ARKA AI gives you the right AI for every task. Download ARKA AI today and experience the future of AI chat. Questions? Contact us at [support@arka-ai.com](mailto:support@arka-ai.com) Learn more: [https://arka-ai.com](https://arka-ai.com) Terms: https://arka-ai.com/legal/terms Privacy: https://arka-ai.com/legal/privacy EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Co at 5.0 against ARKA AI's 3.0. ARKA AI's advantage is update cadence (every 4 days vs every 9 days). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Co sells 8 in-app purchases, starting at $3.99 per 7 days and ARKA AI sells 7 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.
Co holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
Co ships an update every 9 days, ARKA AI every 4 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Co | ARKA AI |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.0 (2 ratings) |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 9 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 59 MB | 3 MB |
| Age rating | 12+ | 17+ |
| Developer | 晨越 唐 | ARKA Systems LLC |
In-app purchases
Co
- weekly plan$3.997 Days
- Lite$14.991 Month
- Standard$29.991 Month
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- free3day_standard3 Days trial$29.991 Month
- yearly_plan3 Days trial$39.991 Year
- yearly_plan_fullprice$39.991 Year
- Pro2 variants$79.991 Month
- Max2 variants$149.991 Month
ARKA AI
- Plus Monthly$14.991 Month
- Pro Monthly$29.991 Month
- Plus Annual$99.991 Year
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- Pro Annual$199.991 Year
- 200 Credits Pack$4.99
- 600 Credits Pack$12.99
- 2000 Credits Pack$34.99








