Comparison

I Ching Lite vs DYC TongShu

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

I Ching Lite

This app provides access to the ancient Chinese oracle, the Book of Changes, for guidance on life's challenges. It offers an elegant and accessible way to consult its wisdom, helping users find balance, perspective, and peace of mind.

Highlights
  • I Ching consulting tool
  • Complete odd-numbered passages
  • Coin tossing simulation
  • Elegant and easy-to-use interface
  • Access to ancient Chinese wisdom
Features
Read full description

For years the #1 I Ching app in the world, and perhaps the most elegant, distilled version of the I Ching there is. For centuries, the Book of Changes has been consulted for sage advice at life's turning points. When its wisdom is sought with sincerity and sensitivity, this ancient Chinese oracle will promote success and good fortune and impart balance and perspective to your life. Its lasting popularity lies in the profound lessons it teaches about how reliance on one's higher qualities leads to life's greatest rewards: well-being, understanding, and peace of mind.

 Now available as an elegantly designed and easy to use iOS app, it is both highly accessible to new users and a revelation to those long familiar with the text. Throw your own coins, or let the app cast for you, and make the wisdom of the sages your own. This lite version contains the I Ching consulting tool and complete odd-numbered passages. Additional content and emailing feature is available through an In App Purchase. Brian Browne Walker is the author of celebrated contemporary translations of the I Ching, Tao te Ching, Hua hu Ching, and Art of War which are published by Harper and St. Martin's Press and translated into over a dozen languages around the world. His "I Ching, or Book of Changes", long beloved for its clarity and accessibility, has received five star reviews on Amazon consistently for over a decade.

About

DYC TongShu

This app provides a digital guide to the ancient Chinese almanac, offering daily insights for auspicious timing. It includes information on lunar cycles, hexagrams, and recommended activities for various life events.

Highlights
  • Daily almanac indicators
  • Lunar cycle explanations
  • Daily and lunar hexagrams
  • Productive/unproductive activity summaries
  • Notes from astrology classes
Features
Currently charting
Read full description

The Chinese “tong shu” or almanac has been consulted by emperors and farmers alike for millennia to select optimum auspice for the action of government and the planting and harvesting of crops. Generals consulted it before battles, Daoists before the performance of rites, acupuncturists for “open” points, builders before digging foundations, and village folk to plan a wedding or funeral. Cataloging the collective experience/data was the duty of one of the Chinese government's largest departments – the department of Astrogeomancy – a kind of cosmic Advisory Board. The DYC TongShu presents the essential indicators for each day in compact yet easy to read format. The app includes extensive notes from Liu Ming's Almanac Astrology classes which explain the stages of the solar and lunar cycles. The daily and lunar hexagrams are included as well as a summary of Productive and Unproductive activities for each day.

Screenshots

I Ching Lite4 screens
DYC TongShu3 screens

Verdict

The call

The clearest difference is price: I Ching Lite at Free against DYC TongShu's $9.99. I Ching Lite also leads on update cadence (every 3 months vs every 15 months) and ratings volume (1.1K vs 17). DYC TongShu's advantage is in-app purchases (none vs 2) and review sentiment (100% vs 83%). On rating, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

I Ching Lite is free to download; DYC TongShu costs $9.99 up front. I Ching Lite sells 2 one-off in-app purchases. DYC TongShu asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for I Ching Lite against 5.0 for DYC TongShu. That said, the two scores are not equally well evidenced: I Ching Lite has 1.1K ratings behind it against 17, so its average is the more settled of the two. Written reviews are what separate them: 83% of I Ching Lite's written reviews are positive against 100% of DYC TongShu's.

UpkeepUpdate frequency

I Ching Lite ships an update every 3 months, DYC TongShu every 15 months. The most recent releases landed on November 2, 2026 and November 1, 2026 respectively.

Scorecard8 real differences · 3 level
I Ching Lite versus DYC TongShu: the parameters behind the verdict, then further details
ParameterI Ching LiteDYC TongShu
PriceFree — better$9.99
Rating4.9 (1.1K ratings)5.0 (17 ratings) — better
Positive reviews82.6% of reviews100.0% of reviews — better
Number of ratings1.1K — better17
Update frequencyEvery 3 months — betterEvery 15 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank—#192 — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size42 MB33 MB
Age rating4+4+
DeveloperBrian WalkerDarren Gibbs

Customer experience

I Ching Lite

All ratings1,060 ratings
Positive97.4%
Neutral0.8%
Negative1.8%
Written reviews184 reviews
Positive82.6%
Neutral3.8%
Negative13.6%

DYC TongShu

All ratings17 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

I Ching Lite

Reported bugs

3 issues
  • App crashes when trying to save journal entries
  • Paid upgrade not working as expected
  • Inconsistent or incomplete hexagram readings

Requested features

4 requests
  • Ability to save and review past journal entries
  • Option to adjust font size and background
  • Support for multiple translations or versions
  • Sharing capabilities to connect with others

DYC TongShu

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

I Ching Lite

One-time2
  • I Ching: Book of Changes$5.99
  • Wei Wu Wei Ching$5.99
None

DYC TongShu

No in-app purchases

Questions

Is I Ching Lite free?
I Ching Lite is free to download, with in-app purchases available.
Is DYC TongShu free?
DYC TongShu costs $9.99, with no in-app purchases.
Which has better reviews, I Ching Lite or DYC TongShu?
DYC TongShu is rated higher. I Ching Lite averages 4.9 out of 5 from 1.1K ratings, while DYC TongShu averages 5.0 from 17 ratings.
Do I Ching Lite or DYC TongShu have ads?
Neither I Ching Lite nor DYC TongShu shows ads.
Which is updated more often, I Ching Lite or DYC TongShu?
I Ching Lite ships an update every 3 months, and DYC TongShu every 15 months. Most recently, I Ching Lite was updated on November 2, 2026 and DYC TongShu on November 1, 2026.

Other comparisons