> For the complete documentation index, see [llms.txt](https://docs.january.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.january.ai/client-sdks/ios-sdk/guides.md).

# Guides

Task-by-task examples for each feature. They use the `client` from [Authentication](/client-sdks/ios-sdk/getting-started/authentication.md).

* [Foods](/client-sdks/ios-sdk/guides/foods.md): autocomplete, search, barcode lookup, full food details, and alternatives.
* [Restaurants](/client-sdks/ios-sdk/guides/restaurants.md): nearby restaurants, menu-item search, and a restaurant's menu.
* [Food analysis](/client-sdks/ios-sdk/guides/photo-scanning.md): analyze a meal photo or description and correct the result.
* [Native food scanner](/client-sdks/ios-sdk/guides/native-meal-scanner.md): a ready-made camera screen for meal photos and barcodes.
* [Food logs](/client-sdks/ios-sdk/guides/food-logs.md): create, list, summarize, update, and delete meals.
* [Water and weight logs](/client-sdks/ios-sdk/guides/water-and-weight-logs.md): log water and weight and read daily values.
* [Glucose prediction](/client-sdks/ios-sdk/guides/glucose-prediction.md): predict the glucose curve for a meal.
* [Voice capture](/client-sdks/ios-sdk/guides/voice-capture.md): record speech and turn it into search text on the device.