NumbBrain vs Graylin
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
NumbBrain
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Reduce screen time without deleting the apps you still need. NumbBrain helps you block distracting apps and app categories during work, study, reading, bedtime, or any focus routine you want to protect. Use NumbBrain to: - Block selected apps and app categories - Create automatic focus schedules - Set rules for weekdays, weekends, nights, or custom routines - Unlock only when you really need a short break - Review screen time stats and understand what pulls your attention NumbBrain is designed for people who want stronger app limits, fewer distractions, and a calmer phone. In-App Purchase: Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current period. You can manage and cancel subscriptions in your App Store account settings. Email jiangdi0924@gmail.com Terms: https://jdi-app.notion.site/Terms-5a99ba5bf942491b8299c07221bb5f7b Privacy: https://jdi-app.notion.site/Privacy-Policy-cdb1be6b87f64c06b7dbea6ffbbad83f
Graylin
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Graylin gives you a personal AI pod โ your own AI workspace that manages tasks, automates workflows, handles contacts, and works across channels. It's not just a chatbot. It's a capable assistant with its own tools, memory, and personality. CHAT WITH YOUR AI Have natural conversations with your AI assistant. Graylin streams responses in real time, remembers context across sessions, and supports media attachments. Organize conversations into projects for easy reference. MANAGE TASKS A full task board with drag-and-drop Kanban columns: backlog, todo, in progress, blocked, done, and more. Your AI can create and update tasks for you, or you can manage them yourself. AUTOMATE WORKFLOWS Build multi-step automations with triggers and actions. Graylin's workflow builder lets you create powerful automations โ from scheduled tasks to event-driven pipelines โ with AI-assisted step creation. SMART TOOLS & SKILLS Your AI pod comes with built-in tools for web search, email, shell commands, and more. Browse and enable skills to extend what your assistant can do. CONTACT MANAGEMENT Import and organize your contacts with groups and lists. Graylin syncs with your device contacts and helps you keep everything organized. CLOUD FILES Store and manage files in your pod's cloud storage. Upload documents, images, and more โ all accessible to your AI assistant. CUSTOMIZE YOUR ASSISTANT Choose your AI's personality โ professional, friendly, casual, or minimal. Fine-tune how your assistant thinks and responds. Configure multiple AI providers and models. KEY FEATURES โข Personal AI pod with persistent memory โข Task management with Kanban board โข Workflow automation with triggers โข Contact management and device sync โข Cloud file storage โข Multiple AI providers and models โข Customizable agent personality โข Scheduled tasks and reminders โข Dark mode support SUBSCRIPTION Graylin requires a subscription. Starter, Pro and Team plans are available on a monthly or yearly auto-renewing basis; the plan name, duration and price are shown in the app before you confirm any purchase. Payment is charged to your Apple Account at confirmation. A subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period, and your Apple Account is charged for renewal within 24 hours of the period ending. You can manage or cancel your subscription in your Apple Account settings after purchase. Terms of Use: https://graylin.ai/terms Privacy Policy: https://graylin.ai/privacy
Screenshots
Verdict
The clearest difference is update cadence: Graylin at every 3 days against NumbBrain's fortnightly. Graylin also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. NumbBrain sells 3 in-app purchases, starting at $1.99 per month and Graylin sells 10 in-app purchases, starting at $34.99 per month. Whichever you choose, the download price is not the number that matters.
NumbBrain ships an update fortnightly, Graylin every 3 days. The most recent releases landed on November 12, 2026 and October 31, 2026 respectively.
| Parameter | NumbBrain | Graylin |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Every 3 days โ better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPod โ better |
| Requires iOS | 17.0 | 15.1 โ better |
| Further details โ not scored | ||
| Size | 14 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | ็ฌ ๅง | GRAYLIN AI (PTY) LTD |
In-app purchases
NumbBrain
- Monthly Premium$1.991 Month
- Annual Premium3 Days trial$2.991 Year
- Lifetime Premium$5.99
Graylin
- Graylin Starter$34.991 Month
- Graylin Pro$57.991 Month
- Graylin Team$114.991 Month
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- Graylin Starter Year$219.991 Year
- Graylin Pro Year$579.991 Year
- Graylin Team Year$1000.001 Year
- 5 AI Credits$5.99
- 10 AI Credits$11.99
- 25 AI Credits$29.99
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- 50 AI Credits$59.99









