Volocal
Voice AI, Fully On-Device
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Talk to an AI voice assistant that runs 100% on your iPhone. No cloud, no subscriptions, no internet needed. Your conversations never leave your device.
Talk to an AI assistant that runs entirely on your iPhone. No cloud servers, no API keys, no subscriptions -- just real-time voice conversations powered by on-device intelligence.
FULLY PRIVATE, FULLY LOCAL
Every word you say stays on your device. Volocal runs three specialized AI models directly on your iPhone's hardware -- nothing is ever sent to the internet. After downloading the models on first launch, you never need a network connection again.
REAL-TIME VOICE CONVERSATIONS
Speak naturally and hear responses streamed back in real-time. Volocal uses a three-stage pipeline -- Speech-to-Text, Language Model, and Text-to-Speech -- all running simultaneously on different chips inside your phone for smooth, low-latency conversations.
INTERRUPT ANYTIME
Change your mind mid-sentence? Just start talking. Volocal supports barge-in with hardware echo cancellation, so the microphone stays active even while the assistant is speaking. No need to wait for it to finish.
NO SUBSCRIPTIONS, NO API KEYS
Volocal is completely free and open source. There are no in-app purchases, no subscriptions, and no hidden costs. Download the models once (~2.3 GB, Wi-Fi recommended) and you're set.
HOW IT WORKS
Volocal splits the workload across your iPhone's specialized processors:
- Speech recognition (Parakeet EOU) runs on the Neural Engine
- Language model (Qwen3.5-2B) runs on the GPU via Metal
- Text-to-speech (PocketTTS) runs on the Neural Engine
This separation means all three models can run at the same time without competing for resources, keeping conversations fluid and responsive.
LIGHTWEIGHT
Total runtime memory usage is approximately 1.2 GB, well within the limits of modern iPhones.
REQUIREMENTS
- iOS 17 or later
- Physical device only (Neural Engine is not available in the Simulator)
- ~2.3 GB of storage for model downloads on first launch
Volocal is MIT licensed and open source. Built by Fikri Karim.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
The developer, Fikri Karim, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Fikri Karim
- Size
- 13.3 MB
- Category
- Productivity
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Infrequent
Profanity or Crude Humour
Mature or Suggestive Themes
Horror/Fear Themes
Medical Treatment Information
Alcohol, Tobacco, Drug Use or References
Contains
Health or Wellness Topics
- Copyright
- © Fikri Karim
