# I3 App Hub

> I3 LLC builds and operates mobile apps, web applications and SaaS products across different needs and industries.

Operator: I3 LLC. Contact: support@i3apphub.com.
Address: 1178 Broadway, 3rd Floor #3776, New York, NY 10001 USA.

## Products

### [Holter Diary](https://i3apphub.com/apps/holter-monitor)

A simple, offline diary for your Holter monitoring session. Record the moment. Keep the context.

Availability: Mobile builds are being prepared for release. Public app-store downloads are not yet available.
Platforms: Android, iOS.
Features: Record symptoms with a timestamp; Add activities, triggers and notes; Log heart-rate readings manually; Keep a chronological session history; Create and share a PDF report; Use the diary offline, without an account.
Limitations: Holter Diary is a recording tool. It does not connect to a monitor, analyze ECGs, diagnose conditions or provide emergency monitoring. Follow your clinic’s instructions.

- [Support](https://i3apphub.com/support/holter-monitor)
- [Privacy](https://i3apphub.com/privacy/holter-monitor)

### [Engage AI](https://i3apphub.com/apps/engage-ai)

Bring WhatsApp enquiries, business knowledge and your team together in one customer-engagement workspace.

Availability: Existing customers can sign in to the web workspace. Visit the product website for current availability and commercial details.
Platforms: Web.
Features: WhatsApp conversations after Meta setup; AI replies grounded in business knowledge; Human handover with conversation history; Contact and lead management; Appointment scheduling; Configurable follow-up rules.
Limitations: Available features depend on your workspace, enabled capabilities and configured providers. Conversation language options include English, Chinese and Malay.

- [Support](https://i3apphub.com/support/engage-ai)
- [Privacy](https://i3apphub.com/privacy/engage-ai)
- [Product website](https://www.engageaihub.com/)
- [Existing-customer workspace](https://app.engageaihub.com/)

## Company, support and policies

- [apps](https://i3apphub.com/apps)
- [about](https://i3apphub.com/about)
- [support](https://i3apphub.com/support)
- [contact](https://i3apphub.com/contact)
- [privacy](https://i3apphub.com/privacy)
- [terms](https://i3apphub.com/terms)
- [data-deletion](https://i3apphub.com/data-deletion)
- [Structured product catalog](https://i3apphub.com/catalog.json)
- [Multilingual sitemap](https://i3apphub.com/sitemap.xml)

These are website languages; product language support may differ. Approved legal text may remain in English.

The product pages and their linked approved policies are the authoritative sources. This file is a convenience index, not an API for accounts or product actions.