| Feature | Dream Aquarium V1 25 | Wallpaper Engine | DeskScapes | |---------|---------------------|------------------|------------| | | ✅ (native) | ✅ (user‑generated) | ❌ | | Real‑time Water Shader | ✅ (caustics) | ✅ (simple ripple) | ❌ | | AI Fish Behavior | ✅ (schooling, feeding) | ❌ | ❌ | | Low‑Power Mode | ✅ | ❌ | ❌ | | Marketplace | ✅ (curated) | ✅ (massive) | ❌ | | Price (USD) | $19.99 (single license) | $4.99 (Steam) | $12.99 |