App Overview

Daily Canon icon

Daily Canon

HENRY NICHOLAS WALL · Books

The whole canon, open and waiting

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.7
124 ratings · Top 15%

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 included17 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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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 Daily Canon: 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

Enhance content library by partnering with publishers.

Assumption to check: Limited book selection compared to competitors.

Validate with people who use this workflow before building.

Hypothesis 2

Provide clear explanations of subscription benefits.

Assumption to check: In-app purchase model can confuse users.

Validate with people who use this workflow before building.

Hypothesis 3

Integrate social sharing features to enhance user engagement.

Assumption to check: Lack of social features for sharing readings.

Validate with people who use this workflow before building.

Hypothesis 4

Implement offline mode for downloaded excerpts.

Assumption to check: No offline reading options.

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

The whole canon, open and waiting. Novels, stories, poems, essays, plays, philosophy. Four millennia of great writing in dozens of languages, all in one place, yours whenever the mood takes you. Lose an afternoon in Wuthering Heights. Read a Borges story over coffee. Sit with a single poem until it gives something up. When something calls to you, it's already here. Every day, one work arrives, chosen for the day. Hamlet on Shakespeare's birthday. Ulysses on Bloomsday. Dracula at Halloween. Wuthering Heights on Valentine's, because love should always be a little unhinged. In Search of Lost Time on February 29th, because what better day for a book about the moments between things. The calendar reaches far beyond the Western tradition too, to Diwali, Nowruz, Vesak, and the lunar new year. You can't know which writer will reach you. The point is to keep enough of them in front of you that some will. TODAY'S WORK A new work each day, with a blurb that sets the scene without spoiling it, an extract from the work, and the reason it sits where it does. THE LIBRARY Hundreds of complete works, readable in full inside the app. BLOOMY A literary companion who has read everything and forgotten nothing. Bloomy knows what you love, what left you cold, and what to hand you next. Not an algorithm, the most well-read friend you'll ever have. READING PATHS Guided journeys through the canon. Follow The Russian Soul through Tolstoy, Dostoevsky, and Chekhov. Stare down existentialism with The Abyss Looks Back. Syllabi without the exam. READING LIST Three shelves for your intentions: The Nightstand for what's next; In the Wings for works circling your attention; The Bookshop List for future you. MY CANON Your personal ranking of every work you've read. Drag them into order. The canon is a conversation; this is your side of it. LEXICOGRAPHY One literary word a day, worth stealing for your own sentences. READING EVENTS Time-boxed cohorts you can join. Ten Chekhov stories in ten days. A slow immersion in Dickinson. Read alongside everyone else who signed up. DYNAMIC THEMES Hundreds of bespoke visual worlds, each built for a specific work. Moby-Dick gets the ocean. Frankenstein gets the storm. Gatsby gets the green light. AUTHORS Every author has a deep profile, with portraits, biographies, life events, stories and complete works lists. TOLSTOY'S CALENDAR Daily aphorisms from Tolstoy's Calendar of Wisdom, matched to the day of the year. ALSO INCLUDES Home Screen Widgets. Dark Mode. Reading Timer. Ex Libris, a living portrait of your reading. Badges and Laurels. Spotlight Search. Share Cards. Year in Review.

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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
Supabase
Zustand
React Navigation
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.