Defaultify - Default Apps

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Content rating
Everyone
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About this app

Tired of Android opening files and links in the wrong application? Take total control of your device’s default applications, system roles, and file handlers with Defaultify.

Defaultify is the ultimate companion utility for power users, developers, and everyday Android enthusiasts who want a clean, organized, and reliable phone experience.

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⭐ KEY HIGHLIGHTS & FEATURES
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⚡ 1-TAP DEFAULT APPS MANAGEMENT
• Instantly view and change default system roles:
- Web Browser (Chrome, Firefox, Brave, DuckDuckGo)
- Phone / Dialer
- Messaging / SMS
- Home Launcher
- Digital Assistant
- Email Client
- Contacts & Call Screening
- NFC Payment Services

📁 MASTER 100+ FILE EXTENSIONS & HANDLERS
• Effortlessly audit which apps handle your everyday files:
- Documents: PDF, DOCX, XLSX, PPTX, TXT, EPUB, MOBI
- Media: MP4, MKV, AVI, MP3, FLAC, WAV, GIF, WEBP
- Archives: ZIP, RAR, 7Z, TAR, APK
- Developer & Code: JSON, XML, HTML, Markdown, Python, JS, C++
- 3D Printing & Spatial: STL, OBJ
- Geolocation: Maps & Geo URIs

🔍 DEEP LINK & INTENT INSPECTOR
• Inspect web links, app links, and custom URI schemes (mailto, tel, sms, geo) before they open.
• Test which installed applications are registered to handle specific intent filters and verify deep link associations.

🩺 SYSTEM HEALTH SCORE & CONFLICT DETECTION
• Get an instant device Health Score (0–100%) measuring your default app configuration.
• Detect missing defaults, orphan file associations, and conflicting app handlers with one-tap suggestions to resolve them.

💾 PROFILES & INSTANT BACKUP
• Create custom default app profiles (Work, Personal, Minimal, Media).
• Easily back up your default configuration and restore your setup when migrating devices or testing apps.

🛡️ 100% PRIVATE & ON-DEVICE
• Defaultify performs all app inspection entirely locally on your device.
• No browsing history, app usage logs, or personal information is ever collected, tracked, or uploaded.

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💎 DEFAULTIFY PRO (Optional Upgrade)
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Upgrade to Defaultify Pro for an ad-free experience, unlimited custom default profiles, advanced deep link intent debugging, and premium dark/light custom themes.

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💡 WHY DEFAULTIFY?
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On modern Android versions, navigating through deep system setting menus to find which app opens PDFs, URLs, or music files can be frustrating. Defaultify brings all your default app settings into a unified, sleek, and intuitive dashboard.

Download Defaultify today and take command of your default apps!
Take control of your default apps, file associations, browsers & deep links.
Updated on
Sep 28, 2026
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Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, Financial info and 2 others
  • This app may collect these data types
    Financial info, App info and performance, and Device or other IDs
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

Welcome to the initial launch of Defaultify!
• Unified dashboard to manage system role defaults (Browser, Phone, SMS, Launcher, Assistant)
• File Handler Inspector covering 100+ file extensions (PDF, Office, Media, Archives, Code)
• Deep Link & Intent Tester for URLs and custom schemes
• System Health Score & conflict alerts
• Profiles & local backup support
• Beautiful Material 3 dark & light themes
Content rating
Everyone
In-App Purchases
Learn more

App support

About the developer
CIRCUIT & MOSS LABS LLP
contact@circuitandmosslabs.com
14, a 1404, nahar Cayenne Sector R 14, Andheri East Mumbai Mumbai, Maharashtra 400072 India
+91 83698 16054