Locus GTD vs Second Brain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Locus GTD
This app helps you manage tasks and projects efficiently with AI-powered planning, intelligent filtering, and customizable organization. It aims to bring clarity and control to your life, helping you find focus and master your workflow.
- AI-powered task breakdown
- Infinite-level projects
- Flexible tagging system
- Intelligent filtering and perspectives
- Customizable themes
- iCloud synchronization
Read full descriptionHide full description
Turn everything on your mind into a clear next action. Locus GTD combines a complete GTD workflow with an AI agent that helps you plan, organize, and act. Capture ideas quickly, manage projects at any depth, and focus on the work that is truly available now. PLAN WITH LOCUS AI • Break complex outcomes into actionable tasks and subtasks • Ask the agent to create, find, update, and organize tasks through conversation • Review your inbox, projects, and schedule with useful context • Use the built-in AI with Locus Pro, or connect a supported custom provider PRACTICE GTD, END TO END • Capture tasks quickly into a trusted inbox • Organize work with projects, groups, tags, and action lists • Use sequential or parallel projects to reveal the right next action • Process your inbox and keep projects current with guided review workflows • Build custom Perspectives for the work and contexts that matter to you PLAN WITHOUT LOSING FOCUS • Schedule work separately from deadlines • See tasks and selected Apple Calendar events together • Use reminders, recurring tasks, flags, and location-based tags • Find anything with global search • Import from Apple Reminders or Things 3, and create portable backups MADE FOR APPLE DEVICES • iCloud keeps supported data in sync where Locus is available • Widgets and the Share extension make capture and review faster • The native Mac app provides Quick Capture, keyboard shortcuts, multi-select, and undo Locus is free to download. Eligible subscription plans may include a free trial. Optional Locus Pro subscriptions and lifetime access are available in the app; the App Store shows the current price for your region. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Second Brain
Read full descriptionHide full description
Manage notes, to-dos, and your schedule in one app. Capture thoughts as notes, actions as to-dos, and anything with a date on the calendar. No more hopping between apps. ■ Notes Write fast, organize later. Sort into folders and find anything with search. Share only the notes you choose via a link, and unshare with a single tap. ■ To-Dos Set due dates and repeat rules. See what's left with D-Day countdowns, and group tasks by category. ■ Calendar See to-dos and events on the same screen. Switch between month and week views to check how full your week is. ■ Widgets Check today's tasks from your Home Screen and Lock Screen. See what's left without opening the app. ■ Notifications Get notified as deadlines approach. Start the day with a morning briefing and wrap up with a daily summary. ■ AI Organize Pull action items out of long text. Turn copied text into to-dos. Gather past records into a retrospective. AI features are free up to 3 times per month. To use more, connect your own AI API key. ■ Same content on every device Notes written on iPhone open on the web too. Sign in once and your content follows you across devices. ■ Privacy AI features only process text you explicitly send. See the privacy policy for details. https://docs.ainote.dev/legal/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Second Brain at none against Locus GTD's 4. Second Brain also leads on update cadence (every 2 days vs every 4 days). Locus GTD's advantage is iOS requirement (18.0 vs 26.0). On price, 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. Locus GTD sells 4 in-app purchases, starting at $1.19 per 7 days. Second Brain asks for nothing beyond the download.
Locus GTD ships an update every 4 days, Second Brain every 2 days. The most recent releases landed on October 3, 2026 and September 23, 2026 respectively.
| Parameter | Locus GTD | Second Brain |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (9 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 4 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 54 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | 嘉豪 栾 | kim dahye |
In-app purchases
Locus GTD
- Locus Pro (1 Week)3 Days trial$1.197 Days
- Locus Pro (1 Month)7 Days trial$2.491 Month
- Locus Pro (1 Year)14 Days trial$24.991 Year
- Locus Pro (Lifetime)$79.99
Second Brain
No in-app purchases









