Opal dominates iPhone focus sessions. LockIn MCP blocks at the OS level on desktop with AI control. Compare both for your workflow.
Opal is a premium iOS focus app built on Apple's Screen Time API — polished sessions, usage analytics, and Deep Focus mode. LockIn MCP is a desktop-first MCP server that lets AI assistants block distractions at the system level. They solve overlapping problems on different devices.
Quick verdict
Choose Opal if
Your phone is your main distraction source, you live on iPhone, and you'll pay ~$100/year for a beautiful app with Deep Focus and usage insights.
Choose LockIn MCP if
Desktop distractions (browser tabs, social feeds while coding) are the problem, and you want AI — via Poke, Claude, or ChatGPT — to manage blocking for $9.99 lifetime.
Comparison
| Feature | LockIn MCP | Opal |
|---|---|---|
| Price | $9.99 lifetime | ~$99.99/year |
| Primary platform | macOS, Linux, Windows | iOS (iPhone) |
| Blocking API | Hosts file | Apple Screen Time API |
| AI / MCP | Native | None |
| Usage analytics | Block status via MCP | Detailed app insights |
| Deep Focus | enter_focus_mode tool | Deep Focus (paid) |
| Desktop | Full support | No Windows; limited Mac |
Different devices, different winners
Opal and LockIn MCP aren't direct substitutes. Opal excels when Instagram and TikTok on your phone derail your day. LockIn MCP excels when you're at a laptop and need YouTube, X, or Reddit blocked while your AI assistant helps you stay on task. Many focused workers use both: Opal on phone, LockIn on desktop.
AI productivity vs coaching UI
Opal's strength is visual feedback — streaks, session timers, and satisfying UI. LockIn's strength is conversational control. Tell your AI "lock in for deep work" and blocking happens without opening another app. For the AI productivity crowd, that's a meaningful workflow difference.
Bottom line
Opal for iPhone-first focus with premium polish. LockIn MCP for desktop AI productivity and system-level blocking at a fraction of the annual cost.