Home Features How It Works About Privacy Terms Contact

Scripture Memorization App

KORRVOX

hide it in your heart

Memorize scripture through the power of your own voice.

Record yourself reading any verse. Loop it back continuously — while you commute, work out, or fall asleep. The Word, becoming native to your life.

iPhone & iPad One-time purchase No subscriptions KJV & ASV included
Scroll
What's Inside

Essential Features

Your Voice, on Loop

Record yourself reading any verse. Loop it continuously with a customizable silence gap. Hearing your own voice accelerates memorization faster than reading alone.

Sleep Looper

Fall asleep to scripture. Set a timer, layer background sounds — rain, ocean, white noise, forest — and let the Word wash over you as you drift off.

Built-in Bible

Full KJV and ASV, offline, always. Browse, search, tap any verse, and create a memory card in seconds.

Memory Games

First Letters mode shows only the first letter of each word. Peek-a-Boo hides the text until you drag to reveal. Practice until it's yours.

Sequencer Playlists

String cards into a playlist. Loop them in sequence on your commute, your walk, your quiet time. Build a repertoire.

Completely Private

No analytics. No third-party SDKs. Your cards and recordings live on your device. Even iCloud sync is optional.

View the full feature list →

One purchase. No subscriptions.

No tiers. No upsells. Korrvox is a one-time purchase — the way apps used to be.

"I have laid up thy word in my heart, that I might not sin against thee."

Psalm 119:11 — American Standard Version

Korrvox was built for one purpose: to help you hide the Word in your heart.

Full Feature List

Built to help you remember.

Every feature exists to serve one purpose — help you carry the Word wherever you go.

Memory Cards
Add any text to memorize
Type or paste verses, quotes, or any content you want to carry with you.
Titles, tags & collapsible sections
Give each card a title and organize with tags. Cards group by tag with collapsible sections so your library stays clean.
Instant search
Find any card instantly by title, content, or tag.
iCloud sync
Cards sync automatically across all your Apple devices through your personal iCloud account.
Voice & Audio
Record your own voice
Record yourself reading any card and loop it back continuously — the foundation of the whole app.
Text-to-speech option
No recording? The built-in system voice reads and loops any card aloud.
Adjustable silence gap
Set a 0–60 second pause between loops. Match the gap to your recording length for a natural listen → recite rhythm.
Playback speed control
Listen at 1x, 1.2x, 1.5x, 1.8x, or 2x — whatever pace helps you most.
Plays with screen locked
Audio continues when your screen locks. Put your phone down and keep listening.
Read title before each loop
Optionally announce the card title before each repetition.
Memory Games
First Letters mode
Only the first letter of each word is shown. Recite from memory, then reveal to check yourself.
Peek-a-Boo mode
Text is hidden behind a blur. Drag your finger to reveal it one section at a time.
Sequencer
Create playlists of cards
Select multiple cards and play them in sequence — your own scripture playlist.
Loop All or Repeat Each
Loop the full playlist continuously, or repeat each card a set number of times before advancing.
Full playback controls
Adjustable gap between cards, speed control, and optional title announcement.
Sleep Looper
Sleep timer with gentle fade
15 min, 30 min, 45 min, 1 hr, 1.5 hr, or custom. Audio fades out gently — no jarring stop.
7 background sounds
White Noise, Brown Noise, Fan, Rain, Ocean, Forest, or Classical — layered beneath your voice.
Independent volume controls
Balance your voice recording and background sound levels separately.
Live clock display
A live clock shows while playing, in both portrait and landscape orientations.
Built-in Bible
KJV and ASV included
Both translations offline, forever, at no extra cost. Both are in the public domain.
Browse or search
Browse by book and chapter, or search any keyword or reference like "John 3:16" or "fear not".
Tap to create a memory card
Tap any verse — or select a range — and create a memory card instantly.
Settings & Customization
Dark, light, or system mode
Choose your preferred appearance or follow your device's system setting.
Adjustable text size & font
Slider from 12 to 24pt. Choose from Default, Georgia, Courier New, or Helvetica Neue.
iPad support
Two-column layout on iPad — card list on the left, card detail on the right.
Built with Apple native frameworks only
SwiftUI, SwiftData, AVFoundation, CloudKit. Zero third-party SDKs or trackers.
A Note from the Creator

Writing It on the Heart

A word on why scripture memorization matters more now than ever — and how to actually do it.

The Challenge

Let me be honest with you. We live in a world where the entire Bible is three taps away. You can search any verse in seconds, pull up a passage mid-conversation, and have a dozen translations side by side before the thought is even fully formed.

That's a miracle of access. And it has quietly become one of the greatest threats to the deep work of scripture memorization.

Because access is not the same as formation. A verse you can find in ten seconds is not a verse written on your heart. It's a verse stored on a server.

What the Word Says

"These words, which I command thee this day, shall be upon thy heart: and thou shalt teach them diligently unto thy children, and shalt talk of them when thou sittest in thy house, and when thou walkest by the way, and when thou liest down, and when thou risest up."

Deuteronomy 6:6–7 — ASV

Total immersion. Not a discipline slot. Not a morning habit. A way of life. The Word woven into every ordinary moment — sitting, walking, lying down, rising. This was the design from the beginning.

"Let the word of Christ dwell in you richly."

Colossians 3:16 — ASV

Not visit occasionally. Not be accessible nearby. Dwell. Richly. That word — richly — implies abundance, depth, fullness. This is not a verse-a-week program. It's a life saturated with the Word of God.

"Thy word have I laid up in my heart, that I might not sin against thee."

Psalm 119:11 — ASV

Not Memorization — Formation

This is the critical distinction. Memorization is mechanical. Writing on the heart is transformation.

The goal isn't storage — it's formation. The goal is automatic recall at the right moment. Not a trivia answer, but a living word that rises in your spirit when fear hits, when temptation comes, when someone needs truth spoken over them. Less like retrieving a file, and more like a reflex — the Word already in you, surfacing because it's been cultivated there.

Proverbs 7:3 says "bind them on your fingers; write them on the tablet of your heart." This isn't academic retention. It's the Word becoming native to your inner life — woven into how you perceive, respond, feel, and decide.

The Athlete Analogy

"For bodily exercise is profitable for a little; but godliness is profitable for all things." — 1 Timothy 4:8 (ASV)

A basketball player doesn't practice free throws so they can perform them in practice — they practice so that when the game is on the line, under pressure, with noise and stakes and exhaustion, the motion is already in the body. It happens without thinking.

Scripture memorization is spiritual conditioning for the same reason. You don't hide the Word in your heart during the moment of temptation — you hide it before, in the quiet, through discipline and repetition and meditation, so that when the moment comes, the Spirit has something to work with.

Jesus himself modeled this in the wilderness. Every answer to Satan was "It is written." He didn't search for an answer. The Word was already there.

How Your Brain Works With You

Scripture memorization draws on multiple memory systems at once. There's the meaning and theology of a passage. There's the personal moment you first clung to it — a trial, a sermon, a season where that verse was all you had. And there's the rhythm of the words themselves, so familiar they begin to flow without effort, like breathing.

The more you return to a verse with understanding, emotion, and reverence, the stronger and more automatic the mental pathway becomes. The emotion and personal context attached to a verse — the time you held onto Romans 8:28 in grief, or Philippians 4:13 in failure — are what convert short-term memorization into lifelong recall.

The Digital Age Problem

Researchers call it "cognitive offloading" — the habit of letting your devices remember things so your brain doesn't have to. It works brilliantly for phone numbers, directions, and trivia. It fails entirely for spiritual formation.

The "Google Effect" has trained a generation to externalize recall. But that posture is exactly backwards for the work of the Word dwelling in you. You cannot outsource sanctification. The Word that transforms you is the Word that lives in you — not the verse you pull up when you need it.

We are not less capable of memorization than people in previous generations. We are simply less practiced. The discipline of sitting with one verse — returning to it again and again — runs entirely against the current of modern life. That's exactly why it's worth doing.

Practical Method — How to Use Korrvox Well

Tips for Effective Memorization

The Listen → Recite Method
Set the silence gap in Korrvox to match the length of your recording. This creates a natural rhythm: listen to your voice read the verse, then use the gap to recite it out loud yourself. Listen. Recite. Listen. Recite. This back-and-forth is more powerful than passive listening alone.

The 10 & 10 Method
Read or listen to the verse 10 times straight. Then close your eyes and recite it out loud 10 times. Don't move to a new verse until you've put in the reps on this one. Repetition isn't failure — it's the work.

Use the Sleep Looper
Your brain continues processing during sleep. Looping scripture as you fall asleep isn't a shortcut — it's an additional layer of immersion. Layer a soft background sound, set your timer, and let the Word be the last thing you hear.

  • Start with one verse at a time. Depth beats breadth.
  • Speak it out loud — your voice engages more of your brain than silent reading.
  • Attach meaning to the verse. Why does it matter to you? That emotion becomes an anchor.
  • Return to the same verse across days and weeks. Repetition builds permanence.

Thank you for downloading Korrvox. Building this app has been an act of faith — a belief that the people of God still want the Word written on their hearts, not just stored in their pockets.

You are swimming upstream. In a world of infinite distraction, choosing to sit with one verse — to record it, loop it, return to it — is a countercultural act of devotion. Don't underestimate what God does with that kind of faithfulness over time.

"Be strong and courageous… for Jehovah thy God is with thee whithersoever thou goest." — Joshua 1:9 (ASV)

Now go hide the Word in your heart.
It belongs there.

— The Creator of Korrvox

Get in Touch

We'd love to hear from you.

Bug report, feature idea, or just want to say something? We're a small team and we read every message.

Message received.
Thank you — we'll be in touch soon.
Something went wrong. Please email us at info@korrvox.com.
Seven Kilo Enterprises LLC
info@korrvox.com
korrvox.com