Mary weeps at the empty tomb, until one word, her own name, changes everything. AI-written
Reel
John 20:13–160:00
✦ AI-generated Pan-and-zoom edit of AI images with World English Bible (WEB) verse captions and narration read by a Kokoro computer voice. Not real footage. Music: “Ascending the Vale” by Kevin MacLeod (incompetech.com), CC BY 4.0. Tap for full screen and sound.
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Your own words. Keep it kind.0/200
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BettrBook Prototype for personal and small-group use. Free and non-commercial.
Scripture
Why the ESV and the WEB?
Both are formal-equivalence translations: they try to follow the wording and structure of the Hebrew, Aramaic and Greek closely, word for word where English allows, rather than restating the meaning in fresh words. Crossway describes the ESV as “essentially literal.” The World English Bible (WEB) is a modern-English update of the American Standard Version of 1901, in the same literal tradition.
That matters for study: a closer rendering lets you see the original’s wording, repetitions and ambiguities, and decide on interpretation yourself, instead of having the translator decide for you. It is not a guarantee of accuracy. Every translation makes judgment calls, and meaning-based translations like the NIV are often clearer. The debates note where translations really differ.
The WEB is in the public domain, so BettrBook can use it freely: reel captions, narration, verse reels, and the fallback whenever the ESV isn’t available. The ESV is copyrighted and is shown only through Crossway’s ESV API, within its limits.
Other translations in debates: KJV and WEB wording is quoted from public-domain text and checked against BibleHub and bible-api.com. In debates the NIV is described in paraphrase, not quoted, and linked on BibleGateway; NIV text is never placed next to AI-written content. Short phrases from the New World Translation (Jehovah’s Witnesses), The Passion Translation and the Joseph Smith Translation are quoted for discussion, each with its source link. Debaters from outside historic Christian orthodoxy (Jehovah’s Witness, Latter-day Saint) are labeled by name and summarized from their churches’ own sites. All debate comments are AI-written summaries, apart from marked public-domain quotations.
ESV: When the BettrBook server has an ESV API key, passage text is loaded through it and marked “ESV.” The key is never sent to your browser. ESV text is never stored on your device or cached offline: this tab keeps at most 450 ESV verses in memory and the server at most 450, cleared regularly. Each passage is labeled with its translation, ESV or WEB (World English Bible, public domain). Reel captions, narration and verse reels always use the WEB. If the ESV is unavailable or busy, BettrBook falls back to the WEB.
NIV, NLT and CSB: Signed-in readers can pick the New International Version, the New Living Translation or the Christian Standard Bible. The text comes through the BettrBook server from API.Bible (NIV, CSB) and Tyndale’s NLT API, exactly as the publisher supplies it, and each passage shows its publisher’s copyright line. The keys never reach your browser. The text is held only in memory (on the server for at most half an hour, in this tab until you switch versions or reload), never saved on your device or offline, and can’t be copied. The NIV shows at most 2 chapters at a time. Feed cards, the reader, the chapter view, Verse of the Day, a passage you look up in search and the Sunday-notes preview use these versions; Listen, narration, reels, share images, the Share tab, word search results, highlight and saved lists, cross-reference previews, trivia, Memorize, debates, offline downloads and emails or notifications always use the WEB. They are free services with a monthly limit: when it’s used up, Scripture shows in the WEB until next month.
World English Bible: When ESV text isn’t available (offline, or if the ESV service is down), posts fall back to the World English Bible (WEB), which is in the public domain, and are labeled “WEB.” Reel captions and narration always use WEB text.
Search, cross-references and share images: Word search runs on the World English Bible (public domain, from eBible.org); when the ESV is on, the top results are shown in the ESV through the server, labeled and never stored. Cross references are from OpenBible.info (CC BY 4.0), drawn mainly from the public-domain Treasury of Scripture Knowledge. Share images always use the WEB, so they can be posted anywhere. Highlights store only the verse reference and color, privately in your account.
Posts & study notes
The post captions, the Debates threads (common arguments, with generic personas such as “Skeptic” or “Reformed reader” rather than real people) and the study notes labeled AI-written (context, word notes, cross-references, reflection questions) were written by an AI assistant for this prototype. They are a starting point for study, not an authoritative source. Check them against a study Bible or commentary.
Notes labeled Public domain are verbatim excerpts from Matthew Henry’s Concise Commentary on the Whole Bible. ESV Study Bible notes are not included; they are not available through the ESV API.
Images & shorts
Every photo is an AI-generated image: an imagined, modern-looking illustration of the scene, not a historical photograph. Clothing, places and faces are artistic guesses.
Journey: pixel art and sounds are original, drawn in code. The game font is Pixelify Sans by The Pixelify Sans Project Authors, under the SIL Open Font License 1.1 (license in media/fonts).
The Reels are AI-generated shorts. Three AI images per passage were edited into a vertical video with ffmpeg, using pan/zoom motion, crossfades, grain and captions. No video-generation model was used, and they are not real footage. On-screen verse captions use the public-domain WEB text. Narration is the WEB text read by a Kokoro computer voice (Kokoro-82M, Apache 2.0, am_michael), mixed into each reel with licensed music that dips under the voice, so captions and voice stay in step. Turn narration off with the Narration button in Shorts to hear only a soft background pad.
Music
Story reels have narration and music mixed in; verse reels play a track alongside. All music is public domain or Creative Commons Attribution (CC BY 4.0).
Your data
Signed out, reactions, saves, notes and progress are stored only on this device. Signed in, they are also saved to your BettrBook account so they sync across devices.
XP and levels: Signed in, Bible Trivia and Memorize earn XP that is stored on your BettrBook account (for each award: what it was for, how much and the day), so your level follows you to every device. Bible Trivia XP is capped at 300 a day. Your friends can see your level number, never your XP, quiz answers or scores; turn that off with “Show my level to friends” in Your reading. There are no leaderboards and no rankings. Your daily-question and chapter-quiz answers stay in your private synced data.
Bible usage reports (NIV, NLT, CSB): API.Bible asks apps to report which passages are shown, so publishers can count readers (its Fair Use Management System, FUMS). When you read the NIV or CSB, the BettrBook server passes on, for each passage shown, the token API.Bible gave for it (which says the translation, book, chapter and verses), a random id for this browser session and a random id for this page load. No name, email, account id or anything else about you is sent, and the random ids are new each session. The NLT API counts requests by BettrBook’s key only. The BettrBook server counts how many requests it makes each month, with no record of who asked or what was read.
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