System Panel vs 3C Toolbox
You can find a comparison benchmark of both apps here.
Here is a comprehensive lists of features from System Panel paid version:
| Feature | System Panel | 3C Toolbox | 
| Task Manager | included | included | 
| App sorting (network, memory, cpu) | not available | included | 
| CPU, SD, mem summary bars | not available | included | 
| Network usage at a glance | not available | included | 
| Auto-kill | included | included | 
| System Monitor | included | included | 
| 1 minute | 45 seconds | |
| Track CPU per app | included | included | 
| Track memory per app | included | included | 
| Configurable recording rate | not available | included | 
| Track network per app | not available | included | 
| Zoom usage graph | not available | included | 
| Crop usage graph | not available | included | 
| Detailed battery information | not available | included | 
| Battery current information | not available | included | 
| Installer | included | included | 
| Multiple app backup | included | included | 
| Share app data or APK | not available | included | 
| Move apps to system/sd/user | not available | included | 
| Link apps to SD | not available | included | 
| Ckear app caches | not available | included | 
| Fix permissions | not available | included | 
| Optimize APK (zipalign) | not available | included | 
| Optimize app databases | not available | included | 
| Device Information | included | included | 
Please let me know if anything's missing!
