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Case Nº 0001An adult coloring archive

True Crime Coloring Book

Dark Cases Mystery for Adults

Every cold case starts in black and white. Open the file, choose a color, and bring cold cases, crime scenes and unsolved mysteries to life.

Download on theApp StoreExplore the app  ↓

For iPhone and iPad · Works offline · No account

True Crime Coloring Book home screen showing a featured case file and the list of collections
Line art coloring page: a fingerprint under a magnifying glass with evidence envelopes
Exhibit EV—01
Line art coloring page of a crime scene
Scene CS—01

File 01About the app

A coloring book forpeople who read thewhole case file.

True Crime Coloring Book is an adult coloring experience inspired by the atmosphere of mysterious case files, forensic evidence, cold cases, noir investigation and archival crime imagery.

Open a collection, pick a page of detailed line art, and fill it in with your own palette — slowly, quietly, at your own pace. It is made for the evening hours and for anyone who likes their relaxation with a little mystery in it.

Read the full story  →
Collections
10
Coloring pages
100
Accounts or ads
0

File 02The archive

Ten collections.One archive.

Each collection is its own file: infamous investigations, dormant cold cases, empty rooms, night roads. Pick a folder and start coloring.

  • A silhouetted figure with clasped hands at a desk in front of a pinned investigation boardIC

    Infamous Serial Killers

    Landmark investigations, retold in line and shadow

    File 01 / 10

  • A lamp-lit desk of tied case folders, sealed envelopes, photographs and fingerprint cardsCC

    Cold Case Files

    Dormant files waiting for a second look

    File 02 / 10

  • A silhouetted investigator with a flashlight inside a taped-off roomCS

    Crime Scenes

    Cordoned streets, empty rooms, quiet details

    File 03 / 10

  • A magnifying glass over a fingerprint, with photographs, keys and red string on a mapEV

    Evidence & Clues

    Prints, tags, envelopes and what they reveal

    File 04 / 10

  • A detective in silhouette holding a photograph in front of an evidence boardDI

    Detective Investigation

    Desks, notebooks and the long night shift

    File 05 / 10

  • A steel interrogation table with a reel-to-reel recorder facing a one-way mirrorIR

    Interrogation Rooms

    Tape recorders and one-way glass

    File 06 / 10

  • A red neon sign above a rain-wet road beside a two-storey motel at nightDR

    Murder Motels & Dark Roads

    Highways, neon vacancy signs and room keys

    File 07 / 10

  • A board of pinned photographs and silhouettes above keepsakes and a framed portraitMP

    Missing Persons

    Maps, last sightings and unanswered calls

    File 08 / 10

  • A locked chest, a stopped pocket watch and a map crossed with red stringUM

    Unsolved Mysteries

    Questions the archive never closed

    File 09 / 10

  • Yellowed newspaper clippings, contact sheets and film reels under a desk lampNA

    True Crime Newspaper Archive

    Headlines, clippings and contact sheets

    File 10 / 10

A blank line-art coloring page open in the app, before any color is applied
The same page after coloring, with the color palette at the bottom of the screen

BeforeAfter

File 03The coloring experience

Add the color.Keep the mystery.

A quiet creative escape built around a simple idea: every page begins in black and white, and you decide how the story looks.

  • 01

    Detailed line art

    High-resolution adult coloring pages, drawn to reward patience and close attention.

  • 02

    Tap to fill

    Touch any area to color it. Pinch to zoom in on the finest details.

  • 03

    Three curated palettes

    Vintage, Neutral and Rich — muted, archival tones chosen to suit the subject matter.

  • 04

    Undo and redo

    Change your mind as often as an investigation does.

  • 05

    Saved on your device

    Your progress is kept automatically, so every file is exactly where you left it.

  • 06

    Share the finished page

    Export your colored page as an image, or save it to your photo library.

  • 07

    Dark ambient score

    Optional atmospheric music while you work, and a switch when you would rather have silence.

  • 08

    Offline-first

    No account and no connection needed to open a case and start coloring.

File 04Inside the app

Real screens.Straight from the file.

Home screen of True Crime Coloring Book with a featured case and the collections list

01

The archive

The Evidence and Clues collection showing a grid of line-art pages

02

A collection

A line-art page zoomed in while being colored, with the color palette at the bottom

03

Up close

File 05Why you will love it

Fivegood reasonsto open it.

  1. 1

    A theme nobody else colors

    Case files, evidence tables, night roads and interrogation rooms — not another garden of mandalas.

  2. 2

    Relaxation for adults

    Fine linework and slow, absorbing pages. No timers, no scores, no pressure to finish.

  3. 3

    Atmosphere in every line

    Noir, archival and cinematic: artwork that feels like a page torn from a dossier.

  4. 4

    Variety across ten files

    From infamous investigations to missing persons and unsolved mysteries — there is always another folder to open.

  5. 5

    Simple by design

    Tap to fill, pinch to zoom, undo when you need to. No account, no ads, and it works offline.

Final entryThe file is on your desk

Open the Case.Add the Color.

True Crime Coloring Book is on the App Store for iPhone and iPad.

Download on theApp Store

Optional purchases handled by Apple