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True Doubt FREE

Available on iPhone

True Doubt

The Lie Detective

Trust nothing. Prove everything.

Download on the App Store See how it works ↓
CASE FILE  •  EVIDENCE SECURED  •  SUSPECT IDENTIFIED  •  CONTRADICTION FOUND  •  CASE FILE  •  EVIDENCE SECURED  •  SUSPECT IDENTIFIED  •  CONTRADICTION FOUND  •  CASE FILE  •  EVIDENCE SECURED  •  SUSPECT IDENTIFIED  •  CONTRADICTION FOUND  • 

The Method

How to Crack a Case

Every case has one truth buried in the evidence. Someone is lying — and they always leave a trail.

01
📋
Read the Brief
Get the facts. Three suspects, one incident, and a folder of evidence. Someone's story doesn't hold up.
02
🔍
Study the Evidence
Chat logs. Receipts. Police notes. Social posts. Mark anything suspicious with a Doubt point. You only get ten.
03
🔗
Find the Contradiction
Two pieces of evidence can't both be true. Identify the pair. That's the crack in the case.
04
👤
Name the Liar
Submit your theory. Tag the key evidence. Pick your culprit. Then see if you were right.
CHAT LOG  •  RECEIPT  •  ALIBI STATEMENT  •  POLICE NOTE  •  SOCIAL POST  •  TIMELINE  •  DOCUMENT  •  CHAT LOG  •  RECEIPT  •  ALIBI STATEMENT  •  POLICE NOTE  •  SOCIAL POST  •  TIMELINE  •  DOCUMENT  • 

The Cases

What Are You Investigating?

Every case is a different kind of lie — from insurance fraud to online romance scams. All original. All fictional.

💰Fraud
💔Infidelity
🔓Theft
🎭Impersonation
⚠️Sabotage

Difficulty

Three Ways to Play

Same 18 scenarios. Completely different outcomes, suspects, and contradictions on every tier.

Easy
Beginner
Clear contradictions. Straightforward suspects. A good place to start if you're new to spotting lies.
18 CASES  •  1 FREE
Medium
Detective
Same scenarios — new suspects in the frame. More evidence to sift through. The real culprit is harder to pin down.
18 CASES  •  1 FREE
Hard
Expert
Conspiracy outcomes. Multiple culprits. Nothing is what it seems. For seasoned investigators only.
18 CASES  •  1 FREE

Crime Scenes

Search the Scene

Ten crime scene puzzles. Tap around the scene to uncover hidden clues, then make your call. Three are free; the rest unlock with the one-time £1.99 purchase.

Price

Pay Once. Play Forever.

True Doubt is free to download, with one full case on every difficulty and three crime scenes included. A single £1.99 purchase unlocks all 54 cases and all 10 crime scenes for life. No subscription, no ads, and new cases are added regularly.

Scoring

Every Theory Gets Judged

Your score reflects how sharp your investigation was — not just whether you got the right name.

🎯
+40
Culprit correct
🔗
+25
Contradiction found
📄
+25
Key evidence tagged
❌
−5
Per false doubt
💡
+10
Doubt points saved
The Lie Detective

Meet Your Detective

She's Seen It All.

Years of cases. Hundreds of lies. She knows that the truth is always in the evidence — you just have to know where to look and what to question. Now she's handing the files to you.

📋 54 Cases 🎯 Three Tiers 🕵️ 10 Crime Scenes 🔓 £1.99 · Pay Once 📊 Score Tracking 🔄 Unlimited Replays 📅 New Cases Added Regularly

Ready to
Find the Lie?

Free to download. One full case per tier and three crime scenes included, no account required. Unlock everything forever for a one-time £1.99 — no subscription.

Download on the App Store