Illustrative AR scene. Selected characters are free.
01 / 05
Bring the room to life
There’s a ghost in your living room.
Place zombies, ghosts and other 3D characters around you. Make them bigger, move them closer, then capture your own little horror scene.
20 characters and objects in the full collection
Place, rotate and scale your scene
Take photos or record videos up to 15 seconds
Illustrative selfie with an AI-generated person. Requires a TrueDepth camera.
02 / 05
A face made for Halloween
Hello, you. Or is it?
Horns, glowing eyes, vampire fangs. Combine looks and turn your selfie into something delightfully unexpected.
37 looks in the full collection
Combine effects or try a random look
Capture photos and short videos
Scarebulum 1.1. Shown with Pro unlocked.
03 / 05
Small sound. Big surprise.
Hide it. Time it. Boo.
Choose a spooky sound and play it instantly, set a timer or let random intervals keep everyone guessing. The scare can play even while iPhone is locked.
5 sounds included free, 21 with Pro
Follow the countdown with a Live Activity
Alternate between selected sounds with Pro
Voice recording and effects require Scarebulum Pro.
04 / 05
Your own scary voice PRO
You bring the voice. We bring the chills.
Record your voice and transform it with eerie effects. Become a demon, ghost, witch or something nobody saw coming.
13 voice effects to experiment with
Listen, save and use your own recordings
Recordings stay on your device
Sticker collection in the app. Use stickers in Messages.
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A little boo for your chats
Say it with a little spirit.
Send ghosts, pumpkins, bats and a whole cast of Halloween characters. Animated stickers make your messages even more lively.
16 stickers included free
56 stickers with the complete Pro collection
Includes 32 animated stickers in total
02 — From your wrist
The perfect scare. One tap away.
Leave iPhone in position and trigger the next sound from your wrist. Your Apple Watch is the remote. Your iPhone does the scaring.
A twist. A new sound.
Turn the Digital Crown to choose your next spooky sound.
You’re in control.
See the timer, pause or stop it. Open Scarebulum quickly from a complication.
For iMessage on your iPhone
Halloween stickers for your messages.
Send ghosts, pumpkins and bats right in your chat. Many stickers are animated and move inside your message.
16 stickers free. All 56 with Scarebulum Pro.
Choose Scarebulum in iMessage, tap a sticker and send it in your chat.
03 — Make it yours
A little Halloween. Or the whole haunted house.
Scarebulum
Free
Everything you need for your first “Boo!”
5 spooky sounds
Instant play, timers and random intervals
Apple Watch remote control
Selected AR characters and selfie looks
16 stickers, including 7 animated
Scarebulum Pro
One-time purchase
Unlock the full collection. Keep it. No subscription.
All 21 spooky sounds and sound mixing
Your own recordings with 13 voice effects
All 20 AR characters and objects
All 37 selfie looks
All 56 stickers, including 32 animated
Pro is an optional, permanent in-app purchase. The current local price is shown in the app before you buy.
Your privacy stays yours. No account. No ads. No analytics trackers.
An iPhone with iOS 18 or later. The optional Apple Watch remote needs watchOS 11 or later and a paired iPhone. Selfie effects need a TrueDepth camera; AR features depend on device support.
Will the sound play when iPhone is locked?
Yes, a running timer or interval can play sounds while iPhone is locked. Keep Scarebulum active in the background and don’t force quit it. Calls, audio routing and system interruptions can affect playback.
Does Apple Watch play the sounds itself?
The sounds play on your paired iPhone, or its connected audio output. Apple Watch lets you choose a sound, trigger it and control the timer.
Is Scarebulum Pro a subscription?
No. Pro is a single in-app purchase that permanently unlocks the full collection. You can restore it using the same Apple Account.
What happens to my photos, face data and voice?
Face and room data are processed on your device for the AR effects, and are not stored or transmitted. Voice recordings are stored locally; photos and videos are saved temporarily on your device. You decide whether to share them. Camera and microphone access require your permission.