Last updated: 12 July 2026
This Privacy Policy explains how MTBApp / STACK’D (“we”, “us”, “our”) collects, uses and protects your personal information when you visit this website or buy a FLOWBIO Sensor from us. We are the authorised South African distributor of FLOWBIO products, and we are committed to handling your information in line with the Protection of Personal Information Act, 2013 (POPIA).
We only collect what we need to process your order and support you:
We do not sell your personal information. We share it only with parties that help us deliver your order:
Some of our service providers (such as Google Firebase and PayFast) may store or process information on servers that operate across borders. Where this happens, we take reasonable steps to ensure your information continues to be protected to a standard consistent with POPIA.
We keep your order and transaction records for as long as necessary to fulfil your order and to comply with South African tax and company-law retention requirements (generally at least five years). Information we no longer need is securely deleted.
We use reasonable technical and organisational measures to safeguard your information, including secure hosting, restricted access and encrypted payment processing through PayFast. No online service can be guaranteed to be completely secure, but we take your privacy seriously.
You have the right to:
To exercise any of these rights, contact us using the details below.
This site uses only essential cookies and similar technologies needed to make the site and checkout work (for example, a temporary anonymous session to link your order to your payment). We do not use third-party advertising or cross-site tracking cookies.
We may update this policy from time to time. The latest version will always be published on this page with the “last updated” date above.
Questions about your privacy or your information? Get in touch:
Email: flowbio@mtbapp.co.za
WhatsApp: +27 82 746 0790 or +27 79 492 2702