# TRASOL vs RAD Development

The clearest difference is price: TRASOL at Free against RAD Development's $1.99. RAD Development's advantage is in-app purchases (none vs 1) and update cadence (every 5 weeks vs every 10 months). On ratings volume, ads, device support and iOS requirement there is nothing between them.

TRASOL is free to download; RAD Development costs $1.99 up front. TRASOL sells 1 one-off in-app purchase. RAD Development asks for nothing beyond the download.

RAD Development holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 40 and 26 respectively. Written reviews point the same way: 52% of TRASOL's written reviews are positive against 70% of RAD Development's.

TRASOL ships an update every 10 months, RAD Development every 5 weeks. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | TRASOL | RAD Development |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.0 (40 ratings)](https://appshunter.io/ios/app/trasol/id1015112834/reviews) | **[4.4 (26 ratings)](https://appshunter.io/ios/app/rad-development/id1524099844/reviews)** |
| Number of ratings | **40** | 26 |
| Positive reviews | 52.4% of reviews | **70.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#198** |
| Size | 11 MB | 22 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Desert Tech](https://appshunter.io/developer/1015112833) | [Blake Williams](https://appshunter.io/developer/1524099906) |

## 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 |


### RAD Development

[App page](https://appshunter.io/ios/app/rad-development/id1524099844)

**Currently charting:** #198 Top Paid · Sports (US App Store)

This app allows handloaders to meticulously record detailed notes on over 65 data points for rifle specifications, case preparation, bullet, powder, and environmental factors. It offers 5 different charts to track load development, improving the handloading experience with an easy-to-navigate interface.

**Highlights:** Record 65+ handloading data points, Track load development with 5 charts, Detailed case preparation data, Rifle, bullet, powder, and environment data, Easy-to-navigate interface, Offline access to notes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TRASOL free?

TRASOL is free to download, with in-app purchases available.

### Is RAD Development free?

RAD Development costs $1.99, with no in-app purchases.

### Which has better reviews, TRASOL or RAD Development?

RAD Development is rated higher. TRASOL averages 4.0 out of 5 from 40 ratings, while RAD Development averages 4.4 from 26 ratings.

### Do TRASOL or RAD Development have ads?

Neither TRASOL nor RAD Development shows ads.

### Which is updated more often, TRASOL or RAD Development?

TRASOL ships an update every 10 months, and RAD Development every 5 weeks. Most recently, TRASOL was updated on October 10, 2026 and RAD Development on October 7, 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.*