Question 1

What is the origin of Chompass and who develops it?

Accepted Answer

Chompass is an open-source calorie tracker licensed under MIT. It originated as a fork from Fud AI and is maintained by the developer fitguy. The source code is accessible.

Question 2

How does the barcode scanning feature work and how large is its product database?

Accepted Answer

It uses Open Food Facts for barcode lookups, which provides access to over 4.6 million products. The lookup results are cached so they can be used offline afterward.

Question 3

What are the hardware and setup requirements for using on-device AI in Chompass?

Accepted Answer

The app supports on-device AI through Gemma 4 via LiteRT-LM. This is opt-in and requires a one-time model download. It is available only on arm64 devices with at least 6 GB of RAM.

Question 4

What specific data points does Chompass exchange with Health Connect?

Accepted Answer

Health Connect sync is two-way. The app writes meals, weight, body fat, and height data, and reads sleep, heart rate, hydration, steps, and energy information from other connected services.

Question 5

In what file formats can I export my logged data from Chompass?

Accepted Answer

The diary and body metrics can be exported locally in JSON, Markdown, or CSV formats. The data is stored locally first, and no accounts are required.

Download APK: Chompass - Calorie Tracker

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