Overview
- Keep every chat, document, and photo entirely on your iPhone, iPad, or Mac with 100% on-device processing that works fully offline after the initial model download
- Write, code, learn, and brainstorm with advanced language models in a private AI chat that analyzes your attached documents and images using built-in vision models and OCR
- Get instant answers about your reading with AI-powered book summaries and internal chat about imported ePub and PDF books, so you absorb key insights without rereading entire chapters
- Turn old photos into vivid memories by colorizing black & white images, removing unwanted objects, and creating depth maps with AI Image Tools
- Generate custom images from text descriptions across styles like Photo Realism, Interstellar, Children's Stories, and Fantasy, then sharpen results with 4x AI Upscaling
- Create immersive 3D models from a single photo with Photo to 3D and 3D Splat Generation, then save, browse, and share them in a dedicated 3D Gallery
- Talk hands-free with natural voice chat and high-quality neural voice responses through Kokoro TTS, or trigger actions like image generation with 'Hey Siri, Generate image with Lekh AI'
- Turn your device into a Local AI Server with REST API access that works with Python, curl, and any app, so every device on your WiFi reaches the AI without data ever leaving your network
- Lock down private conversations with Face ID/Touch ID protection, iCloud sync, no account requirement, no activity tracking, and no ads
- Work in your own language with support for up to 28 languages, and manage storage easily with 5-15GB per downloaded AI model
Pros & Cons
Pros
- Offline capabilities
- Image analysis tools
- 3D model generation
- Siri and Shortcuts integration
- Face ID/Touch ID protection
- eBook reader and importer
- Supports 28 languages
- Large storage for models
- Privacy-focused with on-device processing
- Image editing features
- Depth map creation
- Photo colorization tool
- API access from local devices
- Natural voice chat
- Privacy protection measures
- Learning and brainstorming assistant
- Colourizing black & white photos
- Integrated Hands-free commands
- Attached document and image analysis
- Coding assistance tool
- Recalls user-specific information
- eBook content discussion capabilities
- Includes advanced language models
- Support for high-quality voice responses
- Creates images from text descriptions
- Transforms device into local server
- Uses multiple fine-tuned models
- Removing unwanted objects from photos
- Reading imported eBooks
- Integrated with Siri & Shortcuts
- UI protection with Face ID/Touch ID
- Multilanguage support (28 languages)
- Ability to handle large storage
- Integrated PDF export feature
Cons
- Only on iOS devices
- Localized to 28 languages
- 5-15GB storage required
- No cloud option
- Limited persona options
- Possible double payment issue
- Requires advanced device (iPhone 13+)
Reviews
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❓ Frequently Asked Questions
Lekh AI is compatible with iPhone, iPad, and Mac devices. It recommends using iPhone 13 or newer with 6GB+ RAM for optimal performance, and larger models such as iPhone 15 Pro / 16 Pro are suggested for the usage of larger AI models. iPad Pro is recommended for the most significant models.
No, Lekh AI does not require an internet connection. The application operates privately and offline, promising 100% on-device processing with no internet required. It functions completely offline after the initial model download.
With its advanced language models, Lekh AI can assist in various tasks like writing and coding. The AI chat feature can help you with writing, coding, learning, and brainstorming based on your needs. For coding specifically, Qwen 2.5/3.5 models are excellent for coding and logical reasoning.
Lekh AI provides various AI Image Tools such as photo editing, removing unwanted objects, creating depth maps, colorizing black & white photos, and generating 3D models. It also includes 3D Splat Generation which allows you to create 3D models from a single photo.
The AI memory in Lekh AI remembers and recalls user-specific information. It retains your information across different conversations and can use them for contexts. For instance, users can share their name, preferences, or any information to the AI and it can recall them later when asked. Users can also control this feature by toggling it on or off, clearing the memory anytime they want to.
The AI Image Generation feature in Lekh AI can create images from text descriptions, using multiple fine-tuned AI models. The AI can generate an array of styles such as Photo Realism, Interstellar, Children's Stories, and Fantasy. The generated images can be further enhanced using the 4x AI Upscaling feature which uses the RealESRGAN neural upscaler for in-house image optimization.
Yes, Lekh AI can turn your device into a Local AI Server. It provides REST API access that works with Python, curl, and any app. This feature enables the AI to be accessed from any device on your local network, promising 100% privacy where no data leaves your WiFi.
Yes, Lekh AI supports natural voice chat, delivering high-quality neural voice responses. It provides a hands-free conversation mode and multiple voice options through Kokoro TTS. This allows for a smooth and natural conversational experience with the AI.
Lekh AI has a privacy-first approach. It uses 100% on-device processing, so no data is ever sent to external servers. Furthermore, it offers Face ID/Touch ID protection as a privacy measure for your chats. Additionally, iCloud sync is available to keep your conversations across devices, ensuring encryption in the process. The application requires no account, does not track user activity, and does not display ads.
Yes, with Lekh AI, you can import and read ePub and PDF books. It allows you to highlight passages, ask questions, and engage in internal chat about the book content.
Lekh AI supports up to 28 languages. This makes it a multilingual tool accessible to users from different linguistic backgrounds.
Lekh AI requires 5-15GB storage per AI model. The amount of storage necessary varies depending on the model selected for download.
Yes, Lekh AI is integrated with Siri & Shortcuts to allow for hands-free commands. You can involve actions like 'Hey Siri, Ask Lekh AI' or 'Hey Siri, Generate image with Lekh AI'. This also enables you to add Lekh AI actions to your custom Shortcuts workflows for a more personalized experience.
Lekh AI's AI-powered book summary works by analyzing and understanding the content of the book. It compiles the crucial points and information from the text into a cohesive and concise summary. This helps users to get a quick understanding of the book, its narrative and insights.
Yes, Lekh AI can colorize black & white photos. It uses advanced AI techniques to bring old black & white photos to life, adding color based on the analysis of the photo's context and content.
Lekh AI can analyse attached documents and images using its built-in vision models. During a chat, you can attach documents and images for the AI to analyze. The analysis includes tasks such as extracting text from documents, signs, and receipts (OCR), providing real-time scene descriptions, and analyzing images and photos with AI.
Yes, Lekh AI has an API access feature as it can serve as a Local AI Server. This allows API access from any device on your local network, keeping the data exchanges private within your WiFi.
Yes, Lekh AI can create 3D models from images. It provides a feature called 'Photo to 3D', which generates depth maps from any photo, and '3D Splat Generation', which creates immersive 3D models from a single photo. You can save, browse, and share your 3D creations in a dedicated 3D Gallery within the app.
The Face ID/Touch ID protection in Lekh AI ensures the privacy of your chats. This feature secures your conversations, requiring your Face ID or Touch ID authentication before the access to your chats. This adds a layer of security to your personal interactions with the application.
Yes, Lekh AI can generate images from text descriptions. This feature, in essence, transcribes your textual input into visual simulations, using multiple fine-tuned models. The AI creates stunning and vivid images from your text instructions, offering presets for quick creative results, transforming your ideations into tangible visualizations.
Pricing
Pricing model
Paid
Paid options from
$0.99/month
Billing frequency
Monthly








