Privacy Policy

Effective date: 19 August 2026

Propdex exists to make property easy for everyone. That starts with being straight about your data. This policy explains what we collect, why, and the rights you have under Singapore's Personal Data Protection Act (PDPA).

Who we are

Propdex Private Limited (UEN 202699899K) is a company incorporated in Singapore. Our registered address is 2 Venture Drive, #19-18, Vision Exchange, Singapore 608526. We operate propdex.ai and the Propdex advisory service. You can reach us at hello@propdex.ai.

What we collect

Propdex does not collect your phone number on this website. The Ask Dex on WhatsApp button simply opens a WhatsApp chat with Propdex. Nothing is stored by Propdex unless you choose to send a message from your WhatsApp account.

When you send a message to Propdex on WhatsApp, we collect:

• Your WhatsApp phone number, stored by Propdex as an encrypted identity and pseudonymous lookup key.
• The content of your conversations with Propdex — the questions you ask and the answers we give.
• Profile facts you choose to share, such as your citizenship status, whether you own property, or your budget range. You decide what to tell us; the service works with whatever you are comfortable sharing.

We never ask for your NRIC number. If you send one by mistake, we automatically remove it from your message before it is stored.

Why we collect it, and your consent

We use your data for three purposes. Only the first is required.

• Providing the advisory service (required). We use your questions and the facts you share to give you relevant answers. Without this, the service cannot work.
• Product analytics (optional). We look at how the service is used — which features help, where people get stuck — so we can improve it. To withdraw, type *forget me* in WhatsApp — this withdraws all consents and erases your shared data.
• Aggregated market research (optional). We study broad patterns, such as how many people asked about resale flats in a given month. This data is bucketed and de-identified: it is grouped into ranges and stripped of anything that points back to you. To withdraw, type *forget me* in WhatsApp — this withdraws all consents and erases your shared data.

When you send your first message to Propdex on WhatsApp — “ASK DEX”, or any question — that user-initiated WhatsApp message proves you control the number and records your opt-in to receive Propdex’s reply. (The earlier keyword “JOIN PROPDEX BETA” is still accepted and works the same way.) The separate in-chat consent step still applies before Dex gives advice or stores conversation details. We may also notify you if we make material changes to this policy. You can opt out at any time.

How we keep your data safe

Your conversations are encrypted at rest, never sold, and never shared with anyone.

All personal data we hold, including phone identities, is encrypted at rest. Access within Propdex is restricted to people who need it to run the service.

What we never do

• We never sell your personal data. To anyone. This is not conditional on our business model — it is the business model. Propdex advice is free for consumers, and advice is never paid for.
• We never share your conversations with property agents, advertisers, or anyone else.
• We never collect your NRIC.

Required disclosures

We do not share your personal data with other people or businesses. We may disclose personal data only where the law requires it, such as in response to a valid order from a Singapore court or regulator.

Third parties who process data for us

Like most online services, we rely on a small number of service providers:

• Cloud hosting. Our systems and data are hosted with a reputable cloud provider. Data is encrypted at rest.
• WhatsApp. The homepage opens WhatsApp but submits nothing to Propdex itself. Messages you choose to send travel through WhatsApp and are also subject to WhatsApp's own terms and privacy policy.
• AI processing providers — language-model and embedding services that process conversation text on our behalf under contract; they may process data outside Singapore and are not permitted to use it for their own purposes.

These providers process data on our behalf and are not permitted to use it for their own purposes.

How long we keep your data

• Phone identities and WhatsApp opt-in evidence: kept until you opt out or until no longer needed to operate the service, whichever comes first.
• Conversations and profile facts: kept while you use the service, so that Dex can remember your context. Deleted when you ask us to delete them.
• Aggregated research data: because it is bucketed and de-identified, it does not identify you and may be kept longer for trend analysis.

When data is no longer needed for the purpose it was collected for, we delete it or de-identify it.

Your rights under the PDPA

You have the right to:

• Access the personal data we hold about you, and learn how it has been used or disclosed.
• Correct any of your personal data that is inaccurate.
• Withdraw consent (type *forget me* in WhatsApp), including the required one — though withdrawing consent for the advisory service means we can no longer provide it to you.
• Ask us to delete your data.

To exercise any of these rights, email our Data Protection Officer at hello@propdex.ai. We will respond within 30 days. There is no charge for reasonable requests.

Changes to this policy

We will update this policy when new features change what we collect. When we make material changes, we will post the updated policy on propdex.ai with a new effective date, and notify users on WhatsApp.

Contact

Data Protection Officer, Propdex Private Limited
2 Venture Drive, #19-18, Vision Exchange, Singapore 608526
hello@propdex.ai