Expo Config Reference
Search 24 app.json and app.config.js fields by platform, requirement level, and category. Copy field keys instantly, review example values, and export filtered reference data for faster Expo setup and release workflows.
Look up app.json and app.config.js field keys with platform coverage, requirement level, value type, and setup notes. Copy keys instantly or export filtered CSV output.
Try: bundleIdentifier, updates.url, plugins
Filtered fields
24
Required fields
5
Conditional fields
7
Select any key to view field purpose, value format, example, and implementation notes.
Config key
expo.name
Purpose
Display name shown on device launchers and app stores.
Value type
String
Platforms
Accuracy note
This Expo config reference focuses on production-relevant fields used frequently in app.json and app.config.js workflows. Always validate final values against your current Expo SDK docs and release pipeline requirements.
Why Use This Expo Config Reference?
Built for real-world Expo workflows: setup, QA, release checks, and team alignment.
Platform-aware key lookup
Filter keys by iOS, Android, Web, and EAS context so you only review fields relevant to your current task.
Requirement-level clarity
See whether fields are required, optional, or conditional to prioritize configuration work before builds and submissions.
Purpose and value-type guidance
Each field includes practical purpose, expected value type, and implementation notes to reduce trial-and-error edits.
Copy and export ready
Copy individual keys or export filtered CSV data for engineering docs, QA checklists, and release runbooks.
Common Use Cases
Where this config reference adds speed and accuracy across Expo projects.
Initial project setup
Quickly map required Expo config keys when bootstrapping new apps with iOS, Android, Web, and EAS support.
Release readiness checks
Verify versioning, package IDs, update settings, and platform-specific config fields before store submissions.
QA and build troubleshooting
Cross-check config fields during build failures, runtime mismatches, and update-channel issues across environments.
Mobile platform targeting
Filter iOS and Android fields to isolate only native values needed for signing, permissions, and build numbering.
Config governance
Keep team standards consistent with copy-ready field keys, value examples, and implementation notes.
Developer onboarding
Use the reference as a practical training resource for engineers new to Expo config conventions.
Frequently Asked Questions
Answers for common Expo config setup and release questions.
What is Expo Config Reference?+
Expo Config Reference is a searchable guide for app.json and app.config.js field keys, including platform scope, requirement level, value type, and practical setup notes.
Can I use this for both app.json and app.config.js?+
Yes. The key reference applies to both static app.json and dynamic app.config.js workflows. You can use it for quick lookup while configuring Expo projects.
Does this tool show platform-specific fields?+
Yes. You can filter fields by iOS, Android, Web, EAS, or cross-platform scope to focus only on relevant config keys.
Is this Expo config lookup free?+
Yes. The reference tool is 100% free with no signup, no account, and no usage limits.
Should I still verify values with Expo SDK docs?+
Yes. This tool is optimized for quick implementation workflows, but final release settings should always be verified against your active Expo SDK documentation and build pipeline.
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