> For the complete documentation index, see [llms.txt](https://docs.tryterra.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tryterra.co/unified-api/mobile-only-sources.md).

# Mobile-only sources

Learn how to connect mobile-based integrations: Apple Health, Samsung Health, Google Fit

## Overview

The primary use of the mobile SDKs is to allow you to access data from providers **that do not have a Web API.**

{% hint style="warning" %}

## Data Sources requiring the Terra **Mobile-SDK**

The **Mobile SDK** is <mark style="color:red;">**ONLY**</mark> used to connect to the following integrations:

1. <img src="https://464213908-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVGMJVuZnZyOtvV4b53cY%2Fuploads%2FDH2JWDtg632mUQlEdrLH%2F4p3k173m8ihe71872bi9r0292q-0af5626e815091005bacb793985c1870.png?alt=media&amp;token=062c917e-02fe-4029-9809-fc881cf09de3" alt="" data-size="line">**Apple Health -** iOS
2. <img src="https://464213908-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVGMJVuZnZyOtvV4b53cY%2Fuploads%2F0lTv9KpldVVjBdg3JJQs%2Fimgbin_samsung-galaxy-samsung-health-samsung-electronics-android-png.png?alt=media&amp;token=b58f3118-a2e1-4b09-9d30-4f862253adb6" alt="" data-size="line"> **Samsung Health -** Android
3. <img src="https://464213908-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVGMJVuZnZyOtvV4b53cY%2Fuploads%2FmotL0wnZKiEWOKt46zOU%2Fvecteezy_google-fit-icon-logo-symbol_22484515.png?alt=media&amp;token=a2d0ae73-5116-49fd-8ce1-0f7b5e6f716b" alt="" data-size="line"> **Google Fit & Health Connect**- Android.

Note: the [Unified API](broken://pages/u4aCTkJiebhGE1aqPS8y) is the preferred way to connect to Google Fit due to better reliability.

For **ALL** other integrations, please refer to Integration Setup the [Unified API](broken://pages/u4aCTkJiebhGE1aqPS8y).
{% endhint %}

<figure><img src="https://464213908-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVGMJVuZnZyOtvV4b53cY%2Fuploads%2F6AmHWjQeikbUuA4S94yh%2Fsdk_flow.png?alt=media&amp;token=421846d0-68ca-42e4-966b-a3dacd4dead8" alt="" width="563"><figcaption><p>Data flow diagram for data from Apple Health/Samsung Health/Google Fit.</p></figcaption></figure>

Implementation details will vary based on your development framework/platform.

Please refer to your framework's respective guide below:

<table data-card-size="large" data-view="cards" data-full-width="true"><thead><tr><th align="center"></th><th data-hidden data-card-cover data-type="files"></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td align="center"><strong>iOS (Swift)</strong></td><td><a href="https://464213908-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVGMJVuZnZyOtvV4b53cY%2Fuploads%2FcFdL8NtF8kHBmwAIrNUo%2Fapple_logo.png?alt=media&amp;token=7b91a5ea-df1a-4e9f-8b38-7c46bb49e076">apple_logo.png</a></td><td><a href="/unified-api/mobile-only-sources/ios-swift.md">iOS (Swift)</a></td></tr><tr><td align="center"><strong>Android (Kotlin)</strong></td><td><a href="https://464213908-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVGMJVuZnZyOtvV4b53cY%2Fuploads%2Fi1jbwHjs2mNj8rEuFYJH%2Fandroid_kotlin.svg?alt=media&amp;token=903aee80-7c1f-4fc3-8a51-4ed7e142b989">android_kotlin.svg</a></td><td><a href="/unified-api/mobile-only-sources/android-kotlin.md">Android (Kotlin)</a></td></tr><tr><td align="center"><strong>React Native</strong></td><td><a href="https://464213908-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVGMJVuZnZyOtvV4b53cY%2Fuploads%2FWqnjo39pyL9Dsp0xSMed%2Freact_native_logo.svg?alt=media&amp;token=61ecc49c-95b8-4db7-8a89-b075b7fa0f95">react_native_logo.svg</a></td><td><a href="/unified-api/mobile-only-sources/react-native.md">React Native</a></td></tr><tr><td align="center"><strong>Flutter</strong></td><td><a href="https://464213908-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVGMJVuZnZyOtvV4b53cY%2Fuploads%2F0dctvWjKHY7vVQVwtIrG%2Fflutter_logo.svg?alt=media&amp;token=3dc959ed-94f8-4510-8748-bb9ee99cb074">flutter_logo.svg</a></td><td><a href="/unified-api/mobile-only-sources/flutter.md">Flutter</a></td></tr></tbody></table>