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About MDI

Welcome to MDI – the world or research. MDI is all about connecting and sharing your opinion. Do you want to be a part of shaping the consumer market place through participating in studies?

What’s new

Version 5.1.2 · Updated October 29, 2026

Bug fixes

App privacy

The developer, Mobile Digital Indaba, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Contact Info: Email Address, Name, Phone Number
  • User Content: Audio Data
  • Identifiers: User ID

Used for: Other Purposes

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Location: Precise Location
  • User Content: Photos or Videos

Used for: Other Purposes

Alternatives to MDI

Looking for apps like MDI? Here are 6 similar apps on the App Store. The highest rated is Folio: Tracking Notebooks (5.0/5), and all 6 are free to download.

MDI vs. alternatives
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MDI 3.0 / 5 (2 ratings) Free October 29, 2026
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ICI LA TERRE – Free Jan 15, 2025 Compare
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UserCrowd 2.4 / 5 (12) Free Oct 30, 2026 Compare
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