# TRASOL vs Shadow Book

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.

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.

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.

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.

## The numbers

| Metric | TRASOL | Shadow Book |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | **[4.0 (40 ratings)](https://appshunter.io/ios/app/trasol/id1015112834/reviews)** | [3.3 (6 ratings)](https://appshunter.io/ios/app/shadow-book/id1482820623/reviews) |
| Number of ratings | **40** | 6 |
| Positive reviews | **52.4% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 15 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#195** |
| Size | 11 MB | 26 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Desert Tech](https://appshunter.io/developer/1015112833) | [Shadow Hog Tactical and Consulting](https://appshunter.io/developer/1482820622) |

## What reviewers say

### TRASOL

[App page](https://appshunter.io/ios/app/trasol/id1015112834)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full TRASOL Upgrade | $39.99 | one-time |


### Shadow Book

[App page](https://appshunter.io/ios/app/shadow-book/id1482820623)

**Currently charting:** #195 Top Paid · Sports (US App Store)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*