Comparison

TRASOL vs Shadow Book

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

Head to head
About

TRASOL

This advanced ballistic calculator provides real-time environmental data and trajectory predictions for precision shooting. It features a heads-up display for automatic target solutions, moving target tracking, and shot logging capabilities.

Highlights
  • Real-time sensor integration
  • Heads-up display (HUD)
  • Moving target tracking
  • Unlimited equipment profiles
  • Cloud backup/sync
  • Long-range accuracy up to 5000 yards
  • Scope turret calibration
Features
Read full description

Stop adjusting – start hitting. Utilize the most effective ballistic software ever invented. Simple, intuitive and now integrated with smart sensors. With the tap of a button you can calibrate density altitude, Coriolis, cant and slope in real-time. Fully integrated with our new heads-up display, TRASOL enables you to capture video and snapshots, as well as track moving targets. TRASOL was developed for precision shooters who desire first round hit accuracy out to 5000 yards. FEATURES • Interfacing HUD • Automatic device sensor input • Unlimited equipment profiles • Cloud backup/sync for equipment data • Range up to 5000 yards (4572 meters) • Highly accurate trajectory prediction • Moving target speed tracking • Scope turret calibration • Cold bore adjustment • Light/dark color themes • Built-in tutorials HEADS-UP DISPLAY There is genius in simplicity. TRASOL is the first ballistic application to incorporate Heads-Up Display technology. By using your iPhone’s or iPad’s built-in camera and onboard sensors, TRASOL allows users to point their device at their target and automatically generate absolute accuracy solutions. The HUD environment has highly intuitive drag-and-drop tools for quick input of range and wind, and the device’s sensors do the rest. The HUD also allows tracking of moving targets to provide very accurate lead solutions. Photo/video capturing capability allows you to log your shots easily and share them with your friends. REFINED ACCURACY Utilizing proprietary algorithms, TRASOL is the most accurate ballistics calculator on the planet. No more need to alter manufacturer bullet data to get your hits; we developed new algorithms using Doppler radar data to create the most predictive flight path possible. In live-fire testing of TRASOL’s predictions the following results were documented (.338LM ammunition, using manufacturer's published data): • Within 0.1 MRAD up to 1400 yards • Within 0.5 meters up to 1700 yards • Within 1.1 meters at 2200 yards

About

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.

Highlights
  • Track round count
  • Log maintenance history
  • Record range sessions
  • Supports rifles, shotguns, pistols, bows
  • Digital data book for shooters
Features
Currently charting
Read full description

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.

Screenshots

TRASOL4 screens
Shadow Book4 screens

Verdict

The call

The clearest difference is price: TRASOL at Free against Shadow Book's $14.99. TRASOL also leads on rating (4.0 vs 3.3) and review sentiment (52% vs 33%). Shadow Book's advantage is in-app purchases (none vs 1) and chart position (#195 vs unranked). On update cadence, 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

TRASOL is free to download; Shadow Book costs $14.99 up front. TRASOL sells 1 one-off in-app purchase. Shadow Book asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

TRASOL holds the better App Store score, 4.0 against 3.3. That said, the two scores are not equally well evidenced: TRASOL has 40 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 52% of TRASOL's written reviews are positive against 33% of Shadow Book's.

UpkeepUpdate frequency

TRASOL ships an update every 10 months, Shadow Book every 15 months. The most recent releases landed on September 28, 2026 and September 6, 2026 respectively.

Scorecard8 real differences · 3 level
TRASOL versus Shadow Book: the parameters behind the verdict, then further details
ParameterTRASOLShadow Book
PriceFree — better$14.99
Rating4.0 (40 ratings) — better3.3 (6 ratings)
Positive reviews52.4% of reviews — better33.3% of reviews
Number of ratings40 — better6
Update frequencyEvery 10 months — betterEvery 15 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank—#195 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size11 MB26 MB
Age rating17+17+
DeveloperDesert TechShadow Hog Tactical and Consulting

Customer experience

TRASOL

All ratings40 ratings
Positive75.0%
Neutral10.0%
Negative15.0%
Written reviews42 reviews
Positive52.4%
Neutral14.3%
Negative33.3%

Shadow Book

All ratings6 ratings
Positive50.0%
Neutral16.7%
Negative33.3%
Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

In-app purchases

1 purchases

TRASOL

One-time1
  • Full TRASOL Upgrade$39.99
None

Shadow Book

No in-app purchases

Questions

Is TRASOL free?
TRASOL is free to download, with in-app purchases available.
Is Shadow Book free?
Shadow Book costs $14.99, with no in-app purchases.
Which has better reviews, TRASOL or Shadow Book?
TRASOL is rated higher. TRASOL averages 4.0 out of 5 from 40 ratings, while Shadow Book averages 3.3 from 6 ratings.
Do TRASOL or Shadow Book have ads?
Neither TRASOL nor Shadow Book shows ads.
Which is updated more often, TRASOL or Shadow Book?
TRASOL ships an update every 10 months, and Shadow Book every 15 months. Most recently, TRASOL was updated on September 28, 2026 and Shadow Book on September 6, 2026.

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