Detective Deco

Every suspect has a story

Only for iPhone

Free · In‑App Purchases

iPhone

Explore six mysteries, question unforgettable suspects and uncover the evidence behind their stories. Start with a complete first case for free. Every witness has a story. Someone is counting on you to believe the wrong one. Detective Deco is a solo mystery adventure set in a richly detailed Art Deco world. Explore six connected cases, question suspects in your own words and build a case from the evidence you find. INVESTIGATE, DON’T JUST WATCH Search rooms, inspect objects and solve physical puzzles. New incidents open fresh leads, so revisit the scene when the story changes. ASK YOUR OWN QUESTIONS Interview a cast of distinctive suspects through AI-powered conversations. Challenge an alibi, follow a contradiction or ask about an exhibit. Their answers can mislead you; the evidence is yours to weigh. SIX CASES. ONE LARGER MYSTERY. From a luxury yacht and an alpine observatory to a theatre, desert excavation, sleeper train and Venetian auction, follow clues that reach beyond a single crime. MAKE THE INVESTIGATION YOURS Create your investigator, collect exhibits, review interview transcripts and keep private notes. Return to unfinished cases with your progress saved to your account. PLAY THE FIRST CASE FREE Death on the Aurelia is included. A one-time in-app purchase unlocks Cases 2–6. There are no ads or subscriptions. An internet connection and a Detective Deco account are required. AI interviews require your permission to share interview content with Anthropic. Replies can be inaccurate; compare them with the clues. Fictional murder and mature themes.

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The developer, Justin Paulson, 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 Linked to You

    The following data may be collected and linked to your identity:

    • Purchases
    • Contact Info
    • User Content
    • Identifiers
    • Usage Data
    • Diagnostics

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

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
Justin Paulson
Size
245.2 MB
Category
Adventure
Compatibility
Requires iOS 17.0 or later.
  • iPhone
    Requires iOS 17.0 or later.
Languages
English
Age Rating
18+
  • 18+
  • Learn More
  • Frequent
    Realistic Violence
    Mature or Suggestive Themes
    Alcohol, Tobacco, Drug Use or References

    Infrequent
    Cartoon or Fantasy Violence
    Profanity or Crude Humor
    Horror/Fear Themes
    Guns or Other Weapons
In-App Purchases
Yes
Copyright
© 2026 Lilly Bit LLC
  • Developer Website
  • Privacy Policy

    • More by Justin Paulson