Synapse

Can you transform how your Android device manages performance, battery, and thermal behavior without root access?

Synapse is a comprehensive system tuning utility developed by AST-INNOVATION for Android 7.0 and above. It provides granular control over your device's CPU governor, I/O scheduler, GPU frequency scaling, thermal throttling thresholds, and memory management parameters through an intuitive dashboard interface.

Core Functionality

The application operates as a front-end interface for kernel-level modifications, enabling users to adjust system parameters that are typically locked by manufacturers. Synapse reads and writes directly to sysfs nodes, giving you access to:

• CPU Governor Tuning – Select from available governors (interactive, ondemand, performance, powersave) and adjust per-core frequency scaling, sampling rates, and up/down thresholds for precise performance or battery optimization.
• GPU Frequency Control – Set minimum and maximum GPU clock speeds, adjust voltage curves, and enable/disable GPU boosting for gaming or power-saving scenarios.
• I/O Scheduler Management – Choose between schedulers (CFQ, deadline, noop, BFQ) and configure read-ahead buffer sizes to optimize storage read/write performance for different workloads.
• Thermal Throttling Configuration – Modify temperature thresholds that trigger CPU/GPU frequency reduction, adjust cooling policy behavior, and set custom thermal limits to prevent overheating during intensive tasks.
• Memory Management – Configure swappiness, vfs_cache_pressure, dirty ratio, and OOM killer behavior to balance multitasking capability against background process aggression.
• Kernel Same-page Merging (KSM) – Enable memory deduplication to reduce RAM usage by merging identical memory pages, particularly beneficial for devices with limited memory capacity.

Key Advantages

• Real-time monitoring dashboard displaying live CPU frequency per core, GPU load, memory usage, battery temperature, and current governor state.
• Profile management system allowing you to save, load, and share complete tuning configurations as backup files or shareable scripts.
• Automated scheduling feature that applies specific profiles based on battery level, charging state, or time of day (e.g., powersave profile below 20% battery, performance profile when plugged in).
• Boot-time parameter application ensuring your custom settings load automatically after each device restart without manual intervention.
• Undo/rollback functionality that reverts all changes to stock kernel defaults with a single tap, providing a safety net for experimental adjustments.
• No root dependency warning system that detects missing root access and displays clear instructions for obtaining necessary permissions.

Key Features at a Glance

• CPU governor selection with per-core frequency scaling adjustment
• GPU clock speed limits and voltage curve modification
• I/O scheduler switching with read-ahead buffer optimization
• Thermal throttling threshold and cooling policy configuration
• Memory management parameters including swappiness and OOM killer
• KSM memory deduplication for reduced RAM consumption
• Live system monitoring dashboard with real-time metrics
• Profile save, load, and sharing functionality
• Automated profile switching based on battery/charging/time triggers
• Boot-time parameter application with rollback safety

Consider downloading Synapse if you need direct control over your device's kernel parameters, want to extend battery life through precise governor tuning, or require thermal management for sustained gaming performance. This tool is designed for users familiar with Android kernel parameters who seek a unified interface for system optimization.

Technical Disclaimer: This application requires root access and a kernel that exposes sysfs control nodes for full functionality. Some features may be unavailable on stock or locked bootloader devices. Battery consumption may increase when using performance-oriented profiles. Internet connection is required for profile sharing and backup synchronization features. This product contains no in-app purchases. Minimum Android version requirement: 7.0 (Nougat). Not recommended for users unfamiliar with kernel parameter adjustments as incorrect settings may cause system instability.