AA Big Book e vs ZenKoan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AA Big Book e
This app provides a digital version of the AA Big Book, allowing users to read, listen to the audio version, and take notes. It features highlighting, bookmarking, search functionality, and a sobriety calculator to support recovery.
- Highlight and color-code text
- Take notes and reflections
- Bookmark and quick access
- Powerful search functionality
- Full text of the Big Book
- Audio playback
- Sobriety calculator
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Introducing the AA Big Book app, your comprehensive companion for recovery! This powerful tool provides a wealth of features to enhance your sobriety journey. Dive into the depths of the Big Book with ease and convenience, and experience sobriety like never before. • Highlight and Color-Code: Customize your reading experience by highlighting important passages and color-coding them for easy reference. Mark significant sections and make them stand out in vibrant hues. • Take Notes: Capture your thoughts, insights, and personal reflections as you delve into the Big Book. Jot down your own interpretations, lessons learned, and meaningful quotes to revisit later. • Bookmark and Quick Access: Never lose your place again! Bookmark pages to effortlessly return to specific passages or chapters. Access your favorite sections instantly, ensuring you stay connected to the wisdom of the Big Book. • Powerful Search Functionality: Seamlessly navigate the Big Book's vast content with our comprehensive search feature. Find specific keywords, phrases, or topics to explore relevant information quickly and efficiently. • 164 Pages and More: Access the complete text of the AA Big Book, spanning 164 pages, and beyond. Immerse yourself in the rich teachings and inspiring stories that have transformed countless lives. • Meeting Readings and Literature: Explore a collection of meeting readings and additional literature to deepen your understanding and broaden your perspective on recovery. Enhance your knowledge with supplementary material that complements the Big Book. • Audio Format: Listen to the Big Book on the go with our integrated audio feature. Immerse yourself in the stories and teachings, and let the powerful messages resonate with you wherever you are. • Sobriety Calculator: Keep track of your progress with a basic sobriety calculator. Celebrate your milestones and see your sober days accumulate, reminding you of the positive changes you've made. • Daily Reflections: Stay inspired with a direct link to the Daily Reflections, a valuable resource for daily meditation and contemplation. Gain fresh insights and renewed motivation with each passing day. Embark on your recovery journey armed with the AA Big Book app, a valuable companion that puts the power of sobriety at your fingertips. Let the wisdom of the Big Book guide you towards a life of fulfilment, serenity, and lasting sobriety. Subscription pricing and terms • AA Big Book eReader + Audio offers an auto-renewing annual subscription at $29.99/year a quarterly auto-renewing subscription at $15.99 or a monthly auto-renewing subscription at $4.99 to provide you with unlimited & ad-free access to the app features while you maintain an active subscription. • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • The account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Terms of Use- https://aabigbook.app/terms.php Privacy Policy- https://aabigbook.app/privacy.php This app is not affiliated to, sponsored by or endorsed by Alcoholics Anonymous, AAWS or any other 12 Step fellowship. A.A. & Alcoholics Anonymous are trademarks of A.A.W.S. and are only used in the app on an as-is basis from the public domain book "Alcoholics Anonymous" Please rate our app. For support, contact us through the app or email us directly ibyteapps@gmail.com
ZenKoan
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ZenKoan is a quiet koan practice companion for people who want a daily Zen prompt, a simple sitting timer, and a private reflection log without audio clutter or account setup. WHAT IS INCLUDED - A daily koan with a short practice pointer - A searchable starter library, with the complete library available in Pro - Sitting timer presets for 5, 10, 20, and 40 minutes - Start and end bell sounds using system audio - Optional private reflection after a sitting - Sitting history and practice insights, including total minutes, streak, and weekly rhythm WHY IT IS DIFFERENT Most meditation apps optimize for large audio catalogs. ZenKoan is intentionally focused on koan study and silent sitting. It opens quickly, keeps practice controls obvious, and avoids feeds, ads, social mechanics, and forced login. FREE VERSION Use the daily koan, starter library, reflection flow, and up to three sittings per day. ZENKOAN PRO ZenKoan Pro unlocks the complete koan library, unlimited daily sittings, and the full practice history/insights archive. Monthly and yearly auto-renewing plans are available through the App Store. PRIVACY Your sittings and reflections stay on your device. ZenKoan does not require an account, does not show ads, and does not sell personal data. Terms: https://zenkoan.uptrail.ai/terms Privacy: https://zenkoan.uptrail.ai/privacy Support: https://zenkoan.uptrail.ai/support
Screenshots
Verdict
The clearest difference is iOS requirement: AA Big Book e at 15.0 against ZenKoan's 18.0. On price, ads, in-app purchases 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
Both are free to download. AA Big Book e sells 3 in-app purchases, starting at $4.99 per month and ZenKoan sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | AA Big Book e | ZenKoan |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (20 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 20 — better | — |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 33 MB | 3 MB |
| Age rating | 17+ | 4+ |
| Developer | Tushar Bhagat | Mitaanshu Agarwal |
In-app purchases
AA Big Book e
- Monthly Subscription7 Days trial$4.991 Month
- Quarterly Subscription7 Days trial$9.993 Months
- Annual Subscription7 Days trial$29.991 Year
ZenKoan
- ZenKoan Pro Monthly$9.991 Month
- ZenKoan Pro Yearly$59.991 Year









