# TRASOL vs Wind Zero

The clearest difference is review sentiment: Wind Zero at 100% against TRASOL's 52%. Wind Zero also leads on rating (5.0 vs 3.9) and in-app purchases (none vs 1). TRASOL's advantage is ratings volume (41 vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TRASOL sells 1 one-off in-app purchase. Wind Zero asks for nothing beyond the download.

Wind Zero 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 3, 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 Wind Zero's.

TRASOL ships an update every 10 months, Wind Zero every 6 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | TRASOL | Wind Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (41 ratings)](https://appshunter.io/ios/app/trasol/id1015112834/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/wind-zero/id6443698578/reviews)** |
| Number of ratings | **41** | 3 |
| Positive reviews | 52.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 11 MB | 51 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Desert Tech](https://appshunter.io/developer/1015112833) | [Doug Skogman](https://appshunter.io/developer/1648462463) |

## 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


### Wind Zero

[App page](https://appshunter.io/ios/app/wind-zero/id6443698578)

This tool monitors and analyzes wind speed and direction from multiple locations up to a mile away. It uses ultrasonic wind meters and LORA radio transmitters for accurate, long-distance data transfer to a central receiver.

**Highlights:** Monitors wind speed and direction, Long-distance data transfer (up to 1 mile), Utilizes ultrasonic wind meters, LORA radio transmitter technology, Centralized data reception

**In-app purchases:** none


## Frequently asked questions

### Is TRASOL free?

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

### Is Wind Zero free?

Wind Zero is free to download, with no in-app purchases.

### Which has better reviews, TRASOL or Wind Zero?

Wind Zero is rated higher. TRASOL averages 3.9 out of 5 from 41 ratings, while Wind Zero averages 5.0 from 3 ratings.

### Do TRASOL or Wind Zero have ads?

Neither TRASOL nor Wind Zero shows ads.

### Which is updated more often, TRASOL or Wind Zero?

TRASOL ships an update every 10 months, and Wind Zero every 6 months. Most recently, TRASOL was updated on November 1, 2026 and Wind Zero on November 3, 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.*