FIDEL App Studio
App Studio · 15 Apps

Apps you'll reach for every day.

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All the apps FIDEL has built, along with their guides, gathered in one place. Pick an app below to take a closer look.

Browse the apps
15Apps
8iOS
6macOS
2Languages · 한국어 / English
FIDEL / AppsiOS · macOS
fidelplayer Binaural Beats Uninstaller CardVault EasyScan Danmoum SoonInterm SoonSticko SoonWaveform Video SoonFidel Planner SoonMacRemote SoonGreenReader Soonnook SoonSecurity SoonMacDesk

Music, typing, notes, plans, chat and more —
tools for the small moments of every day.

App Index

FIDEL's Apps

15
iOS · Music Player
Featured

fidelplayer

High-end music player

An audio player that plays the music on your device exactly as recorded — or refined with as much precision as you like.

Bit-perfect playbackFine-tuned soundYour own library
Feature guide User manual App Store
iOS · Focus · Sleep · Meditation

Binaural Beats

Sound designed for your brainwaves

An app that guides focus, relaxation, and sleep using different frequencies in each ear — with journeys, solfeggio tones, and an ambient mixer.

JourneysSolfeggioAmbient mixer
Open the guide App Store
macOS · Utility

Uninstaller

Complete app removal tool

A macOS utility that finds an app's scattered settings, caches, and containers when you delete it, lets you review them, then safely moves everything to the Trash.

Finds leftoversReview firstSafely to Trash
Open the guide
iOS · Business Card Scanner

CardVault

Smart business card scanner

Scan a business card and CardVault reads the name, company, phone and email into a searchable contact list — multilingual OCR, optional on-device AI, all kept private on your device.

Multilingual OCROn-device AIPrivate on device
Open the guide App Store
iOS · Document Scanner

EasyScan

Point at a page, get a flat scan

Finds a document's edges live in the camera, snaps at the right moment, and flattens the perspective — book mode, multi-page PDFs, and text recognition, all on your iPhone.

Book modeMulti-page PDFText recognition
Open the guide App Store
iOS · Korean Keyboard

Danmoum Keyboard

Eight vowel keys, every Hangul syllable

A Korean keyboard that keeps only the eight simple vowels and builds the rest by pressing them together (ㅏ + ㅏ = ㅑ) — bigger keys, one-tap fixes for mid-word double consonants, and an optional grammar check before Enter.

ㅏ + ㅏ = ㅑDouble-consonant hintsGrammar check
Open the guide App Store
macOS · AI Terminal

IntermComing soon

A terminal with an AI that watches along

A real zsh/bash terminal with an AI layer on top — it completes commands as you type, diagnoses failures, and turns plain language into commands you confirm before they run.

Ghost suggestionsError diagnosisLanguage → command
Open the guide
macOS · iPhone · Sticky Notes

StickoComing soon

Sticky notes that follow you to every Mac

Colorful notes that float on your desktop, like the Stickies you know — synced across your Macs and iPhone through iCloud Drive, with no account and no cost.

iCloud syncPin on topHome Screen widget
Open the guide
macOS · Audio to Video

Waveform Video ConverterComing soon

Turn a track into a video, spectrum and all

Drop in MP3, WAV, FLAC or MP4 files and get videos with a moving spectrum over the cover art or your own background — sized for YouTube, Reels and Instagram, converted in batches with tags intact.

Live spectrumReels · YouTube sizesBatch convert
Guide coming soon
iPhone · iPad · Mac · Planner

Fidel PlannerComing soon

A calendar you can just talk to

Type or say "dentist tomorrow at 3" and it lands on the calendar. Change plans by voice, let on-device AI fit tasks into your free time, and keep everything in sync across iPhone, iPad and Mac.

Plain-language inputEdit by voiceOn-device AI
Guide coming soon
macOS · iPhone · iPad · Remote Desktop

MacRemoteComing soon

Your Mac, from anywhere

See and control your Mac from another Mac, an iPhone or an iPad. Enter its 9-digit ID or scan a QR code — it connects directly on the same network, punches through from outside, and falls back to a relay only when it has to.

9-digit ID · QRDirect P2PClipboard sync
Guide coming soon
iOS · Golf · Putting

GreenReaderComing soon

See the break before you putt

Sweep your iPhone's LiDAR over the green and its slopes appear on the real grass in AR — height colors, contour lines and flow arrows. A rolling-ball simulation then draws your putting line and tells you where to aim.

LiDAR 3D scanAR slope mapAim point
Guide coming soon
iOS · Android · Messenger

nookComing soon

A cozy corner for your conversations

A messenger for iPhone and Android with the everyday essentials — replies, reactions, voice messages and @mentions — plus a push-to-talk walkie-talkie mode, a shared drawing canvas, and chat history kept encrypted on your device.

Walkie-talkie modeShared canvasEncrypted history
Guide coming soon
macOS · Security Checkup

SecurityComing soon

A checkup for your Mac's defenses

Runs 22 local checks across nine areas — FileVault, firewall, Gatekeeper, SIP, updates, remote access, launch agents and more — then scores your Mac out of 100 and explains how to fix each weak spot.

22 local checksSecurity scoreFix-it steps
Guide coming soon
macOS · Desktop Switcher

MacDeskComing soon

Switch desktops on a Mac you're remoted into

Over Screen Sharing, swipes and Control-arrow go to your own Mac first. Run MacDesk on the remote Mac and its desktops line up as buttons — click one to jump there, or step through with the arrow keys. It also flips Korean and English input with Option+Space or a single Option tap.

For remote MacsOne-click SpacesKorean ⇄ English toggle
Open the guide