> For the complete documentation index, see [llms.txt](https://devitan.gitbook.io/devitans-apps/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://devitan.gitbook.io/devitans-apps/iv.-third-party-service-providers.md).

# IV. Third party service providers

Our Privacy Policy applies to all of the services offered by Devitan's Apps, but excludes services that have separate privacy policies that do not incorporate this Privacy Policy. We use third-party service providers primarily for advertising and analytics services. Additionally, some members or visitors may choose to connect to an external third-party site or service, such as Facebook, Google and Twitter, to register a Devitan's Apps account facilitate specific activities such as sharing. Examples of our third-party service providers include:

{% content-ref url="/spaces/SHHdDSzm2oC1BbgXESYs/pages/4e9GzBGz6i8NiM2e4MnJ" %}
[1. Google](https://devitan.gitbook.io/truyen-tranh-mien-phi/iv.-third-party-service-providers/1.-google)
{% endcontent-ref %}

{% content-ref url="/spaces/SHHdDSzm2oC1BbgXESYs/pages/plXATlvAWBk3dWaNe3Ds" %}
[2. StartApp](https://devitan.gitbook.io/truyen-tranh-mien-phi/iv.-third-party-service-providers/2.-startapp)
{% endcontent-ref %}

{% content-ref url="/spaces/SHHdDSzm2oC1BbgXESYs/pages/5wt1oQOYygT2sBu6nof4" %}
[3. Firebase](https://devitan.gitbook.io/truyen-tranh-mien-phi/iv.-third-party-service-providers/3.-firebase)
{% endcontent-ref %}