PlanClaw vs Second AI Brain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PlanClaw
This AI-powered planner uses your real-time Apple Health data to suggest the best times for tasks. It learns your energy levels and goals to optimize your daily schedule, acting as a "digital brain" to help you achieve more.
- Apple Health integration for energy scoring
- Four-layer AI memory for learning habits
- Waterdrop 520 goal management system
- Syncs with Apple Calendar, Reminders, Google Calendar
- AI email processing for task extraction
- Morning briefings and smart alerts
- Privacy-focused local data processing
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Your body knows the answer. PlanClaw reads it, and helps you do what matters. Traditional planners tell you what to do, but they never ask if you can do it right now. PlanClaw is the world's first AI Life Planner driven by real-time Apple Health energy data. It’s not just a calendar or a to-do list; it’s a "digital brain" with a four-layer memory architecture. It senses your fatigue, understands your goals, and pushes the most important tasks to you when you are at your peak state. Claw Your Everything. Core Features: [Apple Health Energy Battery] • Deeply integrated with Apple HealthKit to read your Sleep, HRV, Resting Heart Rate, Blood Oxygen, and Activity in real-time. • Our proprietary 5-dimension algorithm translates complex health data into an intuitive L1-L4 Energy Score. • At full charge (L4), it recommends deep work; when energy is low (L1), it postpones complex tasks and suggests rest or meditation. [Four-Layer AI Memory] • Say goodbye to amnesic AI. PlanClaw features Short-term (current context), Mid-term (weekly projects), Long-term (annual goals), and Knowledge Base memory layers. • It learns your habits and health baselines, getting smarter with every interaction. [Waterdrop 520 Goal System] • Built-in proven goal management methodology. • Helps you focus on 5 core goals out of 25 desires, ensuring every daily action aligns with your life milestones. [All Your Data, One Claw] • Seamlessly syncs with Apple Calendar, Reminders, and Google Calendar. • Exclusive support for Gmail and major IMAP email providers. • AI automatically reads emails, extracts tasks, and drafts replies. [Heartbeat Briefings & Smart Alerts] • Morning briefings based on your overnight recovery, showing your "Initial Daily Energy" and suggested priorities. • Smart alerts: "The proposal is due tomorrow, but your energy is low today. Get some sleep and tackle it during your high-energy window tomorrow morning." [Privacy First] Your health data is processed locally and never uploaded to the cloud. PlanClaw strictly adheres to Apple's privacy guidelines. [Subscriptions & Credits] PlanClaw is free to download. You can connect your calendar and reminders for free and receive basic smart action credits. Upgrade to Pro to unlock full Today/Week scheduling, contextual AI memory, deep project breakdown, and 400 smart action credits per month. Pro users also support Bring Your Own Key (BYOK). Claw Your Everything. Download PlanClaw now and experience an overwhelmingly productive day, every day. Privacy Policy: https://www.kairusi.com/PlanClaw-privacy-en.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Second AI Brain
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Second AI Brain helps you capture what matters, organize it into lasting memory and connected knowledge, and turn it into useful action. CAPTURE IN THE MOMENT Save ideas and experiences with text, voice, images, files, or links. English and Simplified Chinese speech recognition follow the language you select in Settings. MEMORY THAT STAYS USEFUL Keep short-term and long-term memories organized, searchable, and connected. Related knowledge can resurface when it becomes relevant. FROM MEMORY TO ACTION Create reminders, keep calendar context in sync, review upcoming items, and receive weather-aware alerts when related system permissions are available. HOSTED AI, NO API KEY REQUIRED A frontier multimodal flagship AI model powers text-based memory, knowledge, context, and planning through a Second AI Brain relay. An eligible three-day trial includes 5 memory/reminder uses, 1 knowledge document, and 5 knowledge Q&A. Monthly and quarterly subscribers receive 80 memory/reminder uses, 20 knowledge documents, and 80 Q&A each month. Quarterly allowances reset monthly, not all at once. A single knowledge document may contain up to 100,000 characters. Apple shows the local price before purchase. BUILT AROUND YOUR DATA Core memory, knowledge, indexes, and retrieval stay on your device or your optional private iCloud. Content needed for requested AI features passes through the relay to the third-party AI provider identified in our Privacy Policy. The relay does not retain prompt or answer content. Existing local data remains accessible after an AI trial or subscription ends. Supports iPhone, iPad, widgets, and the Share extension. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Second AI Brain at none against PlanClaw's 5. On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. PlanClaw sells 5 in-app purchases, starting at $5.99 per month. Second AI Brain asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 days. Both last shipped on October 31, 2026.
| Parameter | PlanClaw | Second AI Brain |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (6 ratings) — better | — |
| Positive reviews | 96.7% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 2 days | Every 2 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 27 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | 复苏 谢 | 曜郡 刘 |
In-app purchases
PlanClaw
- PlanClaw Pro Monthly$5.991 Month
- PlanClaw Max Monthly$14.991 Month
- PlanClaw Pro Yearly1 Year trial$39.991 Year
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- PlanClaw Max Yearly$99.991 Year
- PlanClaw Lifetime$69.99
Second AI Brain
No in-app purchases









