Zero Substrate

Forensic Thriller Reader

Only for iPhone

$3.99 · Designed for iPhone

iPhone

One DNA sample. Three suspects. Zero answers. An immersive cyberpunk thriller. No ads. No tracking. 100% Offline. One DNA sample matches three different people - all alive, all with alibis, all claiming they’ve never met. Dr. Saya Torres expected a routine homicide: blood spatter, DNA evidence, standard protocol. Instead, the DNA matches three living suspects, and the investigation exposes an underground system producing untraceable, disposable humans. ZERO SUBSTRATE is a forensic investigation experience built specifically for iOS - a narrative-driven application where interface, systems, and evidence analysis are part of the story itself. Set in San Francisco, 2027, it serves as a standalone prequel to the VOID conspiracy. --- INTERACTIVE FORENSIC EXPERIENCE ZERO SUBSTRATE is not an ebook or PDF reader. The story is delivered through a custom-built investigative interface designed as software, not pages. • Terminal-style investigative UI integrated into the narrative • Dynamic typography representing thought, dialogue, and forensic data • System-driven progression instead of static chapters • Interface elements that function as in-world investigation tools The app behaves like a forensic system you operate - not a book you scroll. --- FULL INVESTIGATION INCLUDED The complete experience is included with purchase. • 12 investigation chapters • ~200 minutes total experience time • ~40,000 words of interactive narrative content • Seamless progression across the entire case No subscriptions. No additional purchases. No accounts required. --- EVIDENCE SYSTEM You do not simply read events - you uncover them. As the investigation progresses, the system unlocks materials discovered by Dr. Torres: • Police reports • Audio logs • Crime scene records • Case evidence stored in a persistent Evidence Vault All evidence remains accessible for cross-reference at any time, turning the narrative into an evolving case file. --- SYSTEM FEATURES Designed as a native iOS application using modern Apple frameworks. • Automatic progress tracking with precise bookmarks • Reading analytics and completion statistics • Integrated investigation database • Completion certification after case closure • Instant resume exactly where you stopped --- PRIVACY BY DESIGN ZERO SUBSTRATE operates entirely on-device. • Works offline after download • No analytics or telemetry • No tracking frameworks • No ads • No accounts or data collection Your activity remains private and local to your device. --- ACCESSIBILITY • VoiceOver fully supported • High contrast visual mode • Reduced motion support • Adjustable animations and haptics • Dynamic Type support --- LOCALIZATION Full Japanese localization included. Switch languages instantly from Settings. --- TECHNICAL DETAILS • Built natively with SwiftUI and SwiftData • iOS 18+ required • No third-party dependencies • Optimized for performance, battery efficiency, and offline use --- San Francisco, 2027. The investigation begins. Privacy Policy: https://dro1d.org/zerosubstrate-privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

- Interactive guide for new users explaining evidence, chapters, and stats - Improved first-launch experience with helpful tooltips - Minor bug fixes and performance improvements

Version 1.1.3

The developer, DRO1D LABS LIMITED, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer indicated that this app supports the following accessibility features. Learn More

    • Supported Features

      • VoiceOver

      • Voice Control

      • Larger Text

      • Dark Interface

      • Differentiate Without Color Alone

      • Sufficient Contrast

      • Reduced Motion

    Information

    • Seller
      • DRO1D LABS LIMITED
    • Size
      • 16.1 MB
    • Category
      • Books
    • Compatibility
      Requires iOS 17.6 or later.
      • iPhone
        Requires iOS 17.6 or later.
      • Mac
        Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.3 or later.
    • Languages
      • English and Japanese
    • Age Rating
      13+
      • 13+
      • Learn More
      • Frequent
        Profanity or Crude Humor

        Infrequent
        Realistic Violence
        Mature or Suggestive Themes
        Horror/Fear Themes
        Sexual Content or Nudity
        Guns or Other Weapons
    • Copyright
      • © 2026 Dro1d Labs Limited
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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