Key ParametersOn-Premises Apps Web-Based Apps Cloud-Based Apps
DeploymentLocal servers or devices Deployed on web servers Hosted on remote cloud servers
CostHigh upfront costs Lower initial cost, subscription-based Pay-as-you-go, no upfront costs
ScalabilityLimited, expensive to scale Scalable to some extent Highly scalable, auto-managed
Maintenance An in-house IT team is needed No maintenance required on the user side Managed by the cloud provider
SecurityFull control, robust measures Dependent on the host's security The cloud provider handles most security
Performance Depends on local infrastructure Varies by internet/server speed High, backed by cloud infrastructure
AccessibilityLocal network or VPN Accessible via the internet Accessible from anywhere
Customization Highly customizable Limited customization Customizable within cloud limits
ReliabilityAffected by local failures Depends on server uptime High reliability, built-in failover