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Yes. The Coreply app is free and open source under the AGPL-3.0 license.To use Coreply, you need one of the following:
  • Your own AI API key — Many providers offer free tiers (Google AI Studio and Groq are good starting points).
  • Coreply Cloud — A hosted option (with free and paid plans) available at coreply.up.nadles.com. Sign up and paste your access key into the app.
When you use your own API key, all traffic goes directly from your device to the AI provider you configured. No data passes through any Coreply servers.If you use Coreply Cloud, traffic is routed through hosted servers to reach the AI provider.As of April 2026, Coreply does not store, log, or sell your message content.
Yes. Choose OpenAI Compatible under API Provider. Then configure the following fields:
  • Base URL — The endpoint URL of your server (for example, http://localhost:11434/v1)
  • API Key — Your API key, or any non-empty string if your server doesn’t require one
  • Model — The exact model identifier your server expects
This lets you run Coreply against self-hosted models, local inference servers, or any compatible third-party service.
Coreply uses Android’s accessibility service to read the text you are typing, capture other relevant on-screen text in selected apps, and display suggestion overlays. This is the only way an app can integrate with third-party apps on Android without those apps being modified to support it.
Yes. Coreply is open source and contributions are welcome. Visit the GitHub repository and open a pull request.Please reach out before making significant contributions — the project is in active development and breaking changes may occur.
The debounce delay controls how long Coreply waits after you stop typing before it sends a request to the AI provider for a suggestion.
  • Lower delay — Suggestions appear faster, but more API requests are made (which may exhaust free-tier rate limits more quickly).
  • Higher delay — Fewer API requests are made, but suggestions take longer to appear after you pause.
You can adjust the debounce delay in Coreply Settings. The right value depends on your typing speed and the latency of your chosen provider.