| Model | 2020–2023 Dominance | 2025 Projected Share | Key Characteristic | |-------|---------------------|----------------------|---------------------| | Per-device annual | High (70%) | Low (30%) | Legacy, declining | | Per-user (multi-device) | Medium (20%) | High (50%) | “One license, all your devices” | | Family/Circle (up to 10 users) | Medium (8%) | High (40%) | Includes parental controls & child identity monitoring | | Subscription-as-a-Service (SaaS) | Low (2%) | Medium (15%) | Monthly rolling, no long-term lock-in | | Usage-based (pay-per-threat-blocked) | Experimental | Low (5%) | Emerging for enterprise |