The I Ching or Book of Changes

The I Ching or Book of Changes

By Flat Earth Studio

The I Ching or Book of Changes is a digital oracle and study tool for iOS, featuring the Richard Wilhelm translation and interactive divination methods.

The App DNA

What makes this app unique?

Users hire this app for authentic, meditative access to the I Ching, prioritizing scholarly accuracy and a distraction-free environment for daily contemplation.

For Students of Confucianist and Taoist philosophy and practitioners of the I Ching seeking the authentic Richard Wilhelm translation.

What does it look like?

Key features

Oracle Methodsedge

Digital simulation of coin and yarrow stalk divination methods for generating hexagrams

Integrated Journalstandard

In-app text entry for recording questions and personal notes alongside hexagram results

Extended Commentarystandard

Access to Book II and III via in-app purchase

How much does it cost?

paidBase app at $4.99Additional content via in-app purchases for Book II and Book III

Paid model anchored at $4.99 with modular content expansion via in-app purchases.

Velocity

Maintenance developmentShow more...

5 versions in history. Development pace: maintenance.

See all version history

Who built it?

Flat Earth Studio

3 apps tracked · Entertainment

Yi JingYi JingWhat the Walrus KnowsWhat the Walrus Knows
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User Sentiment

What do users think recently?

Fresh user feedback skews excited. Users appreciate authentic translation of the classic text provides deep wisdom for daily study and contemplation and versatile casting methods including yarrow stalks and coins offer a realistic and meditative experience.

How are ratings & reviews evolving?

App Store
4.90 · 161

What users say, by theme

What Users Love
  • Authentic translation of the classic text provides deep wisdom for daily study and contemplation
  • Versatile casting methods including yarrow stalks and coins offer a realistic and meditative experience
What Frustrates Users
  • Critical loss of journal history and personal readings following the latest update to the app
+ 1 more theme
What Users Want 1 request inside

16 of 16 recent reviews analyzed · moderate confidence · Excited overall

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Unlock 1 more frustration theme and 1 user request, each backed by review evidence.

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Competition

Competitive landscape for The I Ching or Book of Changes

How's the Entertainment market?

The app maintains a 4.9★ rating across 161 total ratings, signaling high satisfaction among long-term users despite recent update instability. The $4.99 entry price positions it as a scholarly tool rather than a mass-market casual game.

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The rivals identified

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The Analyst's Read

Key takeaways for The I Ching or Book of Changes

Where is it heading?

Users report: The market for digital oracle tools is shifting toward higher accessibility and stability, leaving this app exposed due to its recent data-loss issues. Unless the developer prioritizes stability over aesthetic updates, the current 4.9★ rating will likely erode as long-term users churn.

  • The loss of personal journal data following the latest update triggers high churn risk among long-term users who rely on the app for daily reflection.
  • Forced animations in the latest release increase consultation friction, which contradicts the app's core value proposition of a meditative and efficient study tool.

The SWOT

Core Strengths
  • Authentic Bollingen edition translation functions as a scholarly distribution barrier
  • Integrated oracle methods create a meditative user experience
  • Modular content structure allows for tiered monetization
Critical Frictions 3 weaknesses inside
Growth Levers
  • Development of cloud-sync for journal data to prevent loss
  • Implementation of accessibility scaling for text
  • Expansion of scholarly commentary library
Market Threats 3 threats identified

Next best moves

1 Invest · 1 Pivot

Rebuild journal storage logic because data loss is the top-cited complaint → restore user trust

+ 1 more prioritized move

The counter-intuitive read

The app's scholarly authority is its greatest risk: by catering exclusively to purists…

Read the full take

Since the last report: The app transitioned to a paid model and faces a severe sentiment decline due to post-update journal data loss and forced UI animations.

Bottom line

The app maintains a strong scholarly moat through its authentic translation, but recent journal data loss threatens the core user base, so the PM must prioritize data recovery and accessibility to defend the 4.9★ rating.

Unlock 3 critical frictions, 3 market threats, 1 more prioritized move and the analyst’s take.

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Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by The I Ching or Book of Changes, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The app transitioned to a paid model and faces a severe sentiment decline due to post-update journal data loss and forced UI animations.

declined

Critical journal data loss

shifted

Model transition to paid

declined

Forced UI animations

improved

Oracle methods repositioning

added

Accessibility usability barrier

Cite this report

Marlvel.ai. “The I Ching or Book of Changes Intelligence Report.” Updated May 30, 2026. https://marlvel.ai/apps/the-i-ching-or-book-of-changes

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