# TRASOL vs Reactor (Official)

The clearest difference is review sentiment: Reactor (Official) at 100% against TRASOL's 52%. Reactor (Official) also leads on rating (5.0 vs 3.9) and in-app purchases (none vs 1). TRASOL's advantage is ratings volume (41 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. TRASOL sells 1 one-off in-app purchase. Reactor (Official) asks for nothing beyond the download.

Reactor (Official) holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: TRASOL has 41 ratings behind it against 2, 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 100% of Reactor (Official)'s.

TRASOL ships an update every 10 months, Reactor (Official) every 2 weeks. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | TRASOL | Reactor (Official) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (41 ratings)](https://appshunter.io/ios/app/trasol/id1015112834/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/reactor-official/id1506522968/reviews)** |
| Number of ratings | **41** | 2 |
| Positive reviews | 52.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 11 MB | 66 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Desert Tech](https://appshunter.io/developer/1015112833) | [Reactor, LLC](https://appshunter.io/developer/1506522967) |

## 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 |

**What reviewers like**

- 👍 Easy to use interface
- 🎯 Very accurate calculations
- 🚀 Quick to operate
- ✨ Great new interface
- 💯 Best ballistic calculator

**What reviewers complain about**

- 💰 Forced upgrade prompts
- 💸 Trial version limited
- ❌ Free version expires
- 📉 Inaccurate data
- 🚫 Pressure input limited

**Reported bugs**

- Elevation off maps is incorrect
- Pressure (Inhg) does not go below 25.00
- App crashes when getting environmental info
- Cannot count results in Europe
- Purchase restore was broken

**Requested features**

- Add powder temperature capability
- Ability to print ballistics table
- Add effect of powder temperature on muzzle velocity
- Ability to import data from Kestrel
- Dark mode option


### Reactor (Official)

[App page](https://appshunter.io/ios/app/reactor-official/id1506522968)

This app enhances shooting performance by automating data logging and providing insights into shots, sets, and environmental conditions. It offers real-time metrics and maintenance reminders for rifle components, similar to a fitness tracker for marksmanship.

**Highlights:** Automated data logging, Shooting performance insights, Rifle component maintenance alerts, Real-time heads-up display, Weather information integration, Shot and set summaries

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TRASOL free?

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

### Is Reactor (Official) free?

Reactor (Official) is free to download, with no in-app purchases.

### Which has better reviews, TRASOL or Reactor (Official)?

Reactor (Official) is rated higher. TRASOL averages 3.9 out of 5 from 41 ratings, while Reactor (Official) averages 5.0 from 2 ratings.

### Do TRASOL or Reactor (Official) have ads?

Neither TRASOL nor Reactor (Official) shows ads.

### Which is updated more often, TRASOL or Reactor (Official)?

TRASOL ships an update every 10 months, and Reactor (Official) every 2 weeks. Most recently, TRASOL was updated on October 29, 2026 and Reactor (Official) on October 21, 2026.

---

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