Best apps like On-Device AI: TTS & STT Agent

10+ similar apps compared and reviewed

4.5 avg rating
9 free apps
Updated July 2026

On is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to On

Private LLM - Local AI Chat#1

Private LLM - Local AI Chat by Numen Technologies Limited

Local Offline Private AI Chat
Editor's Choice
🔧 Utilities
4.2😐(688 ratings)
$4.99
#16in Utilities
Private LLM - Local AI Chat screenshot 1
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Private LLM - Local AI Chat screenshot 4
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This AI assistant runs entirely on your device, ensuring all your conversations remain private and offline. Choose from a wide variety of open-source language models and customize interactions for personalized assistance.

What We Love

  • 🚀 Amazing AI app
  • 🔒 Privacy-focused local LLM app
  • 👍 Optimized for Apple devices
  • 👍 Wonderful developers and great community

Room to Improve

  • 🐛 Crashes a lot
  • 🐛 Buggy and unstable
  • 🐛 Slow and crashes often
Liquid Apollo#3

Liquid Apollo by Liquid AI, Inc.

Fast, private, and reliable AI
Worth Considering
🔧 Utilities
4.5😊(599 ratings)
Free
Liquid Apollo screenshot 1
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Access a wide range of AI language models, both locally on your device and through cloud APIs. This app allows you to chat with open-source models, connect to your own hosted LLMs, or utilize services like OpenRouter for broad model access.

What We Love

  • 🚀 Great app
  • 🚀 Works well with OpenRouter
  • 🚀 Excellent for running local models
  • 🚀 Convenient one-time purchase

Room to Improve

  • 🐛 Crashes frequently
  • 🐛 Glitches when editing messages
  • 🐛 Inconsistent message formatting

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LLM Local Client
LLM Local Client
LLM Local Client
Portable LLM on your mobile
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Connect your mobile device to large language models hosted on your computer. This app provides a secure and convenient way to access powerful AI capabilities on the go, bridging the gap between your phone and local LLM servers. Unleash your productivity with seamless interaction.

Connects mobile to local LLM serversLightweight and easy setupSecure local network connection
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fullmoon: local intelligence
fullmoon: local intelligence
fullmoon: local intelligence
private and local LLM chat
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This app provides a private and offline way to interact with local large language models. It runs models directly on your device, optimized for Apple silicon, and is available across multiple Apple platforms. Personalize your experience and integrate with other apps via Shortcuts.

Private LLM chatFully offline operationOn-device model execution
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PrivAI - Private AI GPT Chat
PrivAI - Private AI GPT Chat
PrivAI - Private AI GPT Chat
Secure Local AI, On-Device LLM
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This application provides a private and secure AI chat experience by running entirely on your device. It ensures your data never leaves your system, offering control and offline functionality without cloud dependence.

On-device AI processingData stays on your deviceOffline operation supported
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7
AI Actions for Shortcuts
AI Actions for Shortcuts
AI Actions for Shortcuts
AI-powered Shortcuts
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Enhance your iOS Shortcuts with advanced AI capabilities. This app integrates with your existing OpenAI API key to provide powerful new actions for your automations. Note that it does not support Apple Watch or HomePod.

AI-powered actions for ShortcutsIntegrates with OpenAI API keyAdds new automation capabilities
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Nexus LLM
Nexus LLM
Nexus LLM
One App, All Your LLMs
Free

This app unifies multiple large language models into a single chat interface. It allows users to connect with various LLM services, create custom assistants, and supports self-hosted instances for enhanced privacy. The clean UI offers Markdown formatting for organized conversations.

Connect multiple LLMsCreate custom assistantsSupport for self-hosted LLMs
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Privacy AI Offline Chat Bot
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Privacy AI Offline Chat Bot
Private local AI on device llm
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Engage in private, secure conversations with an advanced AI that operates entirely offline on your device. Choose from various local language models for personalized interactions without compromising your data. Ideal for users who prioritize confidentiality and seamless communication.

Offline functionalityAdvanced local AI modelsPrivacy-focused on-device processing
🔧 Utilities
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10
MyDeviceAI - Local AI & Search
MyDeviceAI - Local AI & Search
MyDeviceAI - Local AI & Search
Anonymous Search, Private AI
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This app offers a private and secure AI chatbot experience, allowing you to access powerful AI models and web search capabilities directly on your device. It prioritizes user privacy by keeping all data local and is completely free and open source.

Anonymous AI chatbotLocal data storageRemote desktop connection
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