Comparison

Limitless AI ChatBot Assistant vs Carbon Notes

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Limitless AI ChatBot Assistant

Engage in advanced AI conversations with access to multiple leading AI models. Integrate your own API keys for personalized experiences and enjoy a user-friendly interface for research, learning, or casual chats.

Highlights
  • Access to multiple advanced AI models
  • Custom API integration
  • User-friendly interface
  • Versatile use cases
  • Continuous updates
Read full description

Limitless – Your Gateway to Advanced AI Conversations Step into the future of interactive chat with Limitless, the ultimate AI chat app that puts the power of cutting-edge AI technology right at your fingertips. Whether you’re looking for smart assistance, creative brainstorming, or engaging conversations, Limitless connects you with the latest models from OpenAI, Anthropic, Google, and XAI Grok—all in one seamless experience. Key Features: -Access the Latest AI Models: Enjoy real-time conversations with the most advanced AI models available. Switch effortlessly between OpenAI, Anthropic, Google, and XAI Grok to experience a diverse range of responses and capabilities. -Custom API Integration: Already have your own API key? No problem. Limitless allows you to integrate and use your own AI models, giving you complete control over your conversational experience. -User-Friendly Interface: Designed for simplicity and efficiency, Limitless ensures that interacting with powerful AI is just a tap away. Enjoy a clean, intuitive interface that lets you focus on what matters most—your conversation. -Versatile Use Cases: Whether you’re a professional looking for insights, a student in search of help, or just curious about the future of AI, Limitless adapts to your needs. Enjoy everything from detailed research assistance to casual, engaging chats. -Stay Ahead of the Curve: With continuous updates and support for the latest advancements in AI, Limitless keeps you at the forefront of technology, ensuring you always have access to the most innovative tools available. -Unlock a world of possibilities and redefine your interaction with artificial intelligence. Download Limitless today and start exploring the endless potential of AI-powered conversations! Limitless Chat may offer both free and premium features. Access to premium features requires payment. Terms: https://www.agiapplications.org/apps/limitless-chat/terms Privacy: https://www.agiapplications.org/apps/limitless-chat/privacy

About

Carbon Notes

Features
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Carbon is a markdown-focused note-taking app designed for seamless organization of your ideas, tasks, and knowledge. With powerful markdown support and AI-powered tools, Carbon transforms how you capture and develop your thoughts. Unlock one-tap AI for your notes: Use our keys for $20/mo or use your OpenAI, Claude, or Open Router API keys for $5 (one-time unlock) This app supports iPhone, iPad, and Mac OS KEY FEATURES: - Powerful Markdown Support: Write and format your notes with intuitive markdown syntax. Carbon provides real-time preview and styling for a distraction-free writing experience. - AI-Powered Assistance: Leverage AI to enhance your writing with smart tools that can summarize, expand, polish, translate, and transform your content with just a tap. - Intelligent Tagging System: Organize your notes with an advanced tagging system that automatically recognizes hashtags in your content and creates hierarchical tag structures. - Robust Search: Find exactly what you need with our powerful search engine that indexes note content, titles, and tags for lightning-fast results. - Complete Privacy: Your data belongs to you. Carbon supports end-to-end encryption to protect your sensitive notes with military-grade security. - Seamless iCloud Sync: Access your notes across all your Apple devices with reliable CloudKit synchronization that works silently in the background. - Clean, Customizable Interface: Focus on your writing with a distraction-free interface featuring multiple themes and typography options. - Export Flexibility: Share your notes in multiple formats including Markdown, Text, HTML, PDF, and JSON. - Deep Organization: Create a personalized knowledge base with nested tags, favorites, smart collections, and custom filters. - Distraction-Free Writing: Enter a focused writing state with Carbon's minimal interface and keyboard shortcuts. - Markdown Import/Export: Easily bring in existing markdown files or export your notes for use in other applications. - Version History: Never lose important changes with automatic versioning of your notes. - Customizable Themes: Choose from light and dark themes, or customize colors to match your style. - Secure Biometric Authentication: Protect your notes with Face ID, Touch ID, or passcode authentication. CARBON IS PERFECT FOR: - Writers who need a clean environment for drafting and organizing their work - Students taking lecture notes and organizing course materials - Developers documenting projects and code snippets - Researchers collecting and connecting ideas - Professionals managing meeting notes and action items - Anyone looking to build a personal knowledge management system Carbon strikes the perfect balance between simplicity and power. The interface stays out of your way when you want to write, while offering powerful tools when you need them. Advanced features include batch operations, smart lists, custom AI prompts, note encryption, advanced search filters, and multiple export options to fit into any workflow. Your data is yours - Carbon is designed with privacy at its core. Your notes are stored locally and can be optionally encrypted and synced via iCloud. We never collect your notes or personal information. Whether you're capturing quick thoughts, writing detailed documents, or building a complete knowledge base, Carbon provides the tools you need to organize your digital life. Download Carbon today and experience the perfect balance of simplicity, power, and privacy in note-taking. PREMIUM FEATURES (available via subscription or one-time purchase): - AI-powered writing responses - OpenAI key support - Claude key support - Open Router key support Carbon respects your privacy and does not collect personal data or tracking information. Terms and Conditions: https://basicarcana.com/apps/carbon/legal Privacy Policy: https://basicarcana.com/apps/carbon/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Limitless AI ChatBot Assistant4 screens
Carbon Notes4 screens

Verdict

The call

The clearest difference is update cadence: Carbon Notes at every 3 weeks against Limitless AI ChatBot Assistant's every 8 months. Limitless AI ChatBot Assistant's advantage is device support (4 vs 2). On price, ads, in-app purchases and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Limitless AI ChatBot Assistant sells 3 in-app purchases, starting at $19.99 per month and Carbon Notes sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Limitless AI ChatBot Assistant ships an update every 8 months, Carbon Notes every 3 weeks. The most recent releases landed on September 13, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 8 level
Limitless AI ChatBot Assistant versus Carbon Notes: the parameters behind the verdict, then further details
ParameterLimitless AI ChatBot AssistantCarbon Notes
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 8 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac, Vision Pro — betteriPhone, iPad
Requires iOS17.0 — better17.6
Further details — not scored
Size64 MB12 MB
Age rating4+4+
DeveloperAI AgentYMMV

In-app purchases

3 purchases

Limitless AI ChatBot Assistant

Subscriptions2
  • Monthly Plan$19.991 Month
  • Yearly Plan$200.001 Year
One-time1
  • Limitless Lifetime$99.99
2 purchases

Carbon Notes

Subscriptions1
  • Pro$19.991 Month
One-time1
  • AI Unlock$4.99

Questions

Is Limitless AI ChatBot Assistant free?
Limitless AI ChatBot Assistant is free to download, with in-app purchases available.
Is Carbon Notes free?
Carbon Notes is free to download, with in-app purchases available.
Do Limitless AI ChatBot Assistant or Carbon Notes have ads?
Neither Limitless AI ChatBot Assistant nor Carbon Notes shows ads.
Which is updated more often, Limitless AI ChatBot Assistant or Carbon Notes?
Limitless AI ChatBot Assistant ships an update every 8 months, and Carbon Notes every 3 weeks. Most recently, Limitless AI ChatBot Assistant was updated on September 13, 2026 and Carbon Notes on September 10, 2026.

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