Fud AI: The Free, Open-Source AI Calorie Tracker for iPhone and Android

Overview

Fud AI is a free, open-source AI-powered calorie and nutrition tracker available for both iPhone and Android. It allows users to log meals effortlessly by snapping photos, scanning barcodes, typing, or speaking. The app estimates calories, macros, and over 30 nutrients, offering a privacy-first alternative to subscription-based services.

Benefits

Fud AI offers several key advantages for anyone looking to manage their diet. The app supports multiple input methods to log meals, including photo scanning, barcode scanning, voice input, and text typing. Users can estimate calories, macros, and more than 30 different nutrients. A standout feature is the AI Coach, which acts as a conversational assistant. It answers questions based on your actual food logs, weight trends, and workouts to provide personalized advice. For example, the coach can suggest dinner options to help you hit your protein goals based on your remaining daily allowance. The app also includes a live voice feature that lets you talk directly to the AI to log meals or check your progress without opening the main app. Privacy is a major benefit as the app uses a local-first architecture. This means all your data stays on your device and is never sent to the cloud. There is no account required, and the app does not contain any advertising or tracking software. Users can even bring their own API keys for AI services to maintain full control over their data.

Use Cases

Fud AI is designed for a wide range of users who want to track their nutrition without giving up their privacy. It is ideal for people who prefer to manage their own data rather than rely on a company to store it. The app works well for individuals who want to log meals quickly using photos or voice commands. It is also useful for those who engage in regular workouts, as it includes a large library of exercises and allows users to log sets, reps, and weights. The built-in fasting timer helps users track intermittent fasting schedules, and the water tracking feature reminds them to stay hydrated. Since the app supports many languages, it is suitable for users around the world who want to track their diet in their native language. The widgets on the home screen and lock screen allow users to see their daily progress at a glance without needing to open the app.

Pricing

Fud AI is completely free to download and use with no ads. The core functionality, including photo scanning, barcode reading, and AI analysis, is available at no cost. Development is supported by an optional tip jar for iOS users or a Ko-fi link for Android users. There are optional Plus or Pro subscriptions available for users who prefer not to manage their own API keys. These plans run the AI on Fud's servers for added convenience, but they are not required to use the app. Users can also choose to host their own AI endpoints if they wish.

Vibes

The community response to Fud AI has been very positive, especially among users who value privacy and open-source software. Many users appreciate the transparency of the code, which is published under the MIT License. This allows anyone to inspect the code, report bugs, or even build their own version of the app. The app has gained traction as a reliable alternative to expensive, proprietary diet trackers. Users often highlight the flexibility of the "bring your own key" model, which gives them control over their data and costs. The ability to use local AI models on supported iPhones is another feature that users find impressive. Overall, the app is seen as a robust and ethical solution for mobile nutrition tracking.

Additional Information

Fud AI is built on a strong foundation of open-source principles. The entire product, including the iOS app, Android app, and website, is available under the MIT License. This encourages community involvement and transparency. The app supports a wide range of AI providers, including Gemini, OpenAI, Claude, Grok, Mistral, and many others. It also supports custom endpoints for users who want to integrate their own AI services. The development team focuses on keeping the app lightweight and secure. Data security is handled through encryption, with API keys stored securely on the device. The app requires iOS 17.6 or later for iPhones and Android 8.0 or later for Android devices. It supports over 18 languages and follows the system language of the phone. While the app is powerful, it is important to note that nutrition analysis is an estimate and should be reviewed carefully. The app also includes a medical disclaimer, advising users to consult a healthcare professional before making significant diet changes.