Shadow Book vs Wind Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Shadow Book
This digital data book helps responsible shooters track and maintain valuable information for various firearm types. It's designed for both professionals and sportsmen, offering essential features and more for managing round counts, maintenance, and range sessions.
- Track round count
- Log maintenance history
- Record range sessions
- Supports rifles, shotguns, pistols, bows
- Digital data book for shooters
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Welcome to Shadow Book. Shadow Book is a digital Data Book for the responsible shooting community. This app was built and designed for professionals and the sportsman alike. As you navigate Shadow Book you will find that it offers all the basic necessities along with a few surprises all at your fingertips. No matter the system from rifles, shotguns, pistols, bows etc. you'll be able to track and maintain valuable data such as round count, maintenance, and each range session. Note that this app has big update plans as it grows with the community and provides the best usage possible. So please enjoy and stay tuned for more.
Wind Reader
This application calculates real-time wind speed for long-range shooting using the Eagleman Technique. It leverages your phone's inclination sensor to convert mirage and rain angles into accurate wind speed measurements, a method patented in the US.
- Real-time wind speed calculation
- Eagleman Technique implementation
- Uses phone inclination sensor
- Converts mirage and rain angles
- Patented wind reading method
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Wind reading for long range shooting. This app uses the Eagleman Technique. The phone's inclination sensor is used to convert mirage and rain angles to wind speed. The Eagleman Technique was developed by James Eagleman in 1992 to provide real-time wind speed based on mirage/rain angles and percentages. The method has a US Patent. James Eagleman is the master instructor for the Barbour Creek Long Range School (http://barbourcreek.com).
Screenshots
Verdict
The clearest difference is price: Wind Reader at Free against Shadow Book's $14.99. Wind Reader also leads on rating (4.0 vs 3.3) and update cadence (weekly vs every 15 months). Shadow Book's advantage is review sentiment (33% vs 0%) and chart position (#192 vs unranked). On ratings volume, 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
Wind Reader is free to download; Shadow Book costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Wind Reader holds the better App Store score, 4.0 against 3.3. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews complicate that: 33% of Shadow Book's written reviews are positive against 0% of Wind Reader's, so the app with the better star average is not the one people write more warmly about.
Shadow Book ships an update every 15 months, Wind Reader weekly. The most recent releases landed on October 7, 2026 and September 23, 2026 respectively.
| Parameter | Shadow Book | Wind Reader |
|---|---|---|
| Price | $14.99 | Free — better |
| Rating | 3.3 (6 ratings) | 4.0 (5 ratings) — better |
| Positive reviews | 33.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 6 — better | 5 |
| Update frequency | Every 15 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #192 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 2 MB |
| Age rating | 17+ | 17+ |
| Developer | Shadow Hog Tactical and Consulting | James Eagleman |
Customer experience
Shadow Book
Wind Reader
In-app purchases
Shadow Book
No in-app purchases
Wind Reader
No in-app purchases
Questions
Is Shadow Book free?
Is Wind Reader free?
Which has better reviews, Shadow Book or Wind Reader?
Do Shadow Book or Wind Reader have ads?
Which is updated more often, Shadow Book or Wind Reader?
Other comparisons
