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51
BU Score
Solid

eBook: The Art of War

4.5 ✍️ Editor
✍️ bumetric analysis

eBook: The Art of War is an iOS app from Procypher Software Co. in the Food & Drink category, currently rated 4.5★ across 17 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Our BU Score puts it at 51: Solid (established niche player). For a Food & Drink app, that means established niche player.

Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.

📊 Performance Tracking LIVE

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0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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Range:

💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 7 of 7 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Paid app ($0.00)METRIC
+$2,800
Excellent rating (4.5★)METRIC
+$2,200
bugsREVIEW
−$1,800
5 starREVIEW
+$1,800
Mature app (16y old)METRIC
+$1,500
Single-language (English only)METRIC
−$400
Pre-traction phase (17 ratings)METRIC
−$300
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 3 MB🔞 9+📱 iOS 11.0+🔖 v7.3🔄 updated 3y ago🌐 EN📂 Food & Drink💰 Paid🚀 Launched 2009 (16y old)

📝 About this app

Enjoy reading The Art of War ebook with auto-scrolling, day and night viewing modes, bookmarks, multiple font sizes, full screen viewing in portrait and landscape orientations, and more!

FEATURES:
• AUTO-SCROLL: Hands free reading with our advanced variable speed auto-scrolling.
• FULL SCREEN VIEW: No tab, navigation, or toolbars to get in your viewing way.
• BOOKMARK CONTROLS: Bookmarking lets you start up where you left off fast.
• MULTIPLE FONT SIZES: Increase or decrease the text size quickly and easily.
• DAY & NIGHT MODES: Switch from day to night mode at the touch of a finger.
• PORTRAIT & LANDSCAPE: Read your eBook in portrait or landscape position.
• AUTO SETTINGS: Your viewer settings are automatically saved and loaded.
• COPY & PASTE: Copy and paste selected text to other apps.
• TEXT MAGNIFICATION: Magnify text for easier reading.
• And more!

eBook Media Viewer Series #21

Title: The Art of War

Author: Sun Tzu

Pages: 164

Details:
The Art of War is one of the oldest, most successful, and definitive books on military strategy and tactics. It has had an influence on Eastern military thinking, business tactics, and beyond. Sun Tzu suggested the importance of positioning in strategy and that position is affected both by objective conditions in the physical environment and the subjective opinions of competitive actors in that environment. He thought that strategy was not planning in the sense of working through an established list, but rather that it requires quick and appropriate responses to changing conditions - planning works in a controlled environment, but in a changing environment.

Table of Contents:
1.Laying Plans- explores the five fundamental factors that define a successful outcome. By thinking, assessing and comparing these points you can calculate a victory, deviation from them will ensure failure. Remember that war is a very grave matter of state.
2.Waging War- explains how to understand the economy of war and how success requires making the winning play, which in turn, requires limiting the cost of competition and conflict.
3.Attack by Stratagem- defines the source of strength as unity, not size, and the five ingredients that you need to succeed in any war.
4.Tactical Dispositions- explains the importance of defending existing positions until you can advance them and how you must recognize opportunities, not try to create them.
5.Energy- explains the use of creativity and timing in building your momentum.
6.Weak Points & Strong- explains how your opportunities come from the openings in the environment caused by the relative weakness of your enemy in a given area.
7.Maneuvering- explains the dangers of direct conflict and how to win those confrontations when they are forced upon you.
8.Variation in Tactics- focuses on the need for flexibility in your responses. It explains how to respond to shifting circumstances successfully.
9.The Army on the March- describes the different situations in which you find yourselves as you move into new enemy territories and how to respond to them. Much of it focuses on evaluating the intentions of others.
10.Terrain- looks at the three general areas of resistance (distance, dangers, and barriers) and the six types of ground positions that arise from them. Each of these six field positions offer certain advantages and disadvantages.
11.The Nine Situations- describe nine common situations (or stages) in a campaign, from scattering to deadly, and the specific focus you need to successfully navigate each of them.
12.The Attack by Fire- explains the use of weapons generally and the use of the environment as a weapon specifically. It examines the five targets for attack, the five types of environmental attack, and the appropriate responses to such attack.
13.The Use of Spies- focuses on the importance of developing good information sources, specifically the five types of sources and how to manage them.

🆕 What's New · v7.3

• Updated for latest iOS version
• Miscellaneous improvements

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
eBook: The Art of War
Developer
Procypher Software Co.
Bundle ID
procypher.ibook.021
App Store URL
Open in App Store
Category
Food & Drink
Content rating
9+
Languages
EN

Company

Website
www.procypher.com
Tagline
Not found
Description
FREE iPhone, iPad, iOS, Mac OS X Apps and Games!
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
Not found

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$287/mo
Top-grossing rank
Outside top 100 in US Food & Drink
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
Not found
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
Not found
Press / News
Not found

Contacts & Socials

Socials
Not found
Email
Not found
Phone
Not found
Contact page
http://www.procypher.com/procypher-software-contact.php
About page
http://www.procypher.com/procypher-software-about.php
Recent App Store Reviews14 latest · avg 4.79★ · 85.7% 5★ · 0% 1★
5★
12 (86%)
4★
1 (7%)
3★
1 (7%)
2★
0 (0%)
1★
0 (0%)
+0 ratings/week
Praise: great ×6 love ×4 favorite ×3 awesome ×2 recommend ×1
Top positive
★★★★★ Great app
Great ebook viewer!!! I love day/night function!!…
★★★★★ Perfect way to read book
This is the perfect way to read book. Good story in ebook. Really good options to read better. Thanks for who created this app. Amazing!…
Top negative
★★★☆☆ Good
It is good and free ebook but I wish all ebooks could be combined into one as a library ereader instead of taking up space on iPhone there is limit of how many apps you can have…
★★★★☆ Great
I love this app, it has many features that allow you read at any time (day and night), has bookmarkers, and the book is very interesting.…
📈Ratings growth17 ratings+1600% lifetimeShow 3-year history estimate ▾Jan 2010Jun 2024May 2026
Tracked (13 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.

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Full revenue analysis
Read the article-style breakdown for eBook: The Art of War: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
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