App Overview

Cepher icon

Cepher

Cepher Publishing LLC · Books

Note to existing app users: If you are having trouble installing the new version, DO NOT UNINSTALL or you will LOSE YOUR NOTES! Please contact support with error messages and/or screenshots so we can assist!

$21.99 · In-app purchases

PRICE
$21.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.1
333 ratings · Top 30%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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Build Kit

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A product spec, screen plans, and build steps for your coding agent.

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What's included18 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Free quick prompt For a smaller starting point

Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Cepher: map the core Books workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Expand content library with more diverse and popular titles.

Assumption to check: Limited content availability compared to other platforms.

Validate with people who use this workflow before building.

Hypothesis 2

Introduce more affordable pricing tiers or a freemium model.

Assumption to check: High subscription price may deter users.

Validate with people who use this workflow before building.

Hypothesis 3

Simplify the layout and improve navigation for better user experience.

Assumption to check: User interface can be cluttered.

Validate with people who use this workflow before building.

Hypothesis 4

Implement offline reading feature for purchased books.

Assumption to check: No offline access to purchased content.

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

Note to existing app users: If you are having trouble installing the new version, DO NOT UNINSTALL or you will LOSE YOUR NOTES! Please contact support with error messages and/or screenshots so we can assist! The את Cepher is a collection of sacred scripture that restores much of what has been removed and/or incorrectly interpreted in the Bible for centuries! • Sets forth a transliteration, rather than a substitution of the names of the Father (Yahuah), Son (Yahusha) and Holy Spirit (Ruach Ha’Qodesh). • Transliterates over 3,100 other Hebrew names and places without substitution. • Restores the Aleph Tav את throughout the text; previously omitted in other English translations. • Includes all of the 81 previously canonized books, plus another 6 books considered to be inspired and/or historically significant: Chanok (Enoch) & Yovheliym (Jubilees) from the Dead Sea Scrolls, as well as Yashar (Jasher), 3 & 4 Ezra (1st & 2nd Esdras), 2 Baruch, and Hadaccah (Additions to Esther) – for a total of 87 books. • Restores an accurate order to the books as they were originally written. • Corrects many notorious errors found in virtually all previous English translations, such as Yeshayahu (Isaiah) 14, Zakaryahu (Zechariah) 5, and Mattithyahu (Matthew) 23. • Restores Chapters 151-155 of Tehilliym (Psalms); and the Acrostic Psalms 35 and 145, together with the Acrostic format of Qoheleth (Ecclesiastes) are marked with Ivriyt (Hebrew) indicators. • Restores the Missing Fragment of 70 verses in 4 Ezra Chapter 7. • Restores the 29th chapter of Ma’asiym (The Acts of the Apostles) chronicling Pa’al’s (Apostle Paul’s) journey to Spain and Britain. The Cepher App allows you to easily search the scriptures by keyword, book, chapter or verse and is loaded with extra features, including: • Ability to sync personalization (notes, bookmarks, etc.) across devices by opting into cloud storage. • Highlighting available in seven different colors. • A Lexicon of all the transliterated Hebrew words found in the את Cepher. • The Daily Hebrew Prayers and/or Daily Scriptures on the home page. • Links to our Weekly Torah Portion, Dr. Stephen Pidgeon’s blog, articles and other free downloads available our website. • Ability to copy up to five verses at a time. One-time cost covers all future updates/ revisions to the text.

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

SUGGESTED BUILD STACK
React Native
Expo
Zustand
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react-navigation
@supabase/supabase-js
BUILD KIT DIFFICULTY
Intermediate

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.