Split APKs Installer (SAI)

Why do some Android apps fail to install from standard APK files?

Modern Android applications increasingly use split APK architecture, where a single app is broken into multiple APK modules. Standard file managers and installers cannot handle these fragmented packages. Split APKs Installer (SAI) by polychromaticfox is a dedicated utility that bypasses Google Play's installation pipeline, allowing you to install split APK archives directly on your device.

Core Functionality

SAI processes compressed archives containing multiple APK components. Instead of relying on Google Play to download and assemble split APKs, you supply the installer with a packaged .apks file. The application automatically extracts the base APK and all configuration splits, then installs the complete app bundle onto your device.

This approach is essential for apps that use dynamic delivery modules, asset packs, or language-specific splits. Without SAI, installing such apps outside of Google Play would require manual extraction and adb commands.

Backup Capabilities

The application also functions as a backup tool for any split APK application currently installed on your device. When you select an app from the main menu, SAI compresses its entire split APK structure into a single .apks archive. This archive is saved to your device's internal storage, preserving the exact APK configuration for later restoration or transfer to another device.

The backup process captures all module splits, not just the base APK. This means you can fully restore complex apps like large games or multi-module productivity tools without losing any component.

Key Technical Features

• Installs split APK bundles from .apks archive files
• Creates full backups of installed split APK applications to .apks format
• Supports compressed archives containing base APK and configuration splits
• Operates independently of Google Play services and Google account requirements
• Preserves app signature verification during installation and backup processes

Download mobile app now

Get your split APK installer and backup tool now — start managing app bundles outside Google Play today.

Internet required for initial app download. Contains optional in-app purchases.